.ob-selection-head{display:flex;justify-content:space-between;align-items:center;margin:6px 0 2px;font-weight:850;color:var(--ink)}.ob-selection-head b{font-size:11px;color:var(--purple)}.ob-clear-selection{border:0;background:transparent;color:var(--purple);font:inherit;font-size:12px;font-weight:800;cursor:pointer;padding:2px 0 10px}.ob-summary-title{margin:12px 0 6px;color:var(--soft);font-size:12px;font-weight:850}.ob-selected-panel{border:1px solid #e1d9ef;border-radius:18px;background:linear-gradient(135deg,#fff,#faf8ff);padding:12px 14px;margin:6px 0 12px;box-shadow:0 10px 28px rgba(109,63,224,.08)}.ob-subcats-wrap{animation:obFadeIn .24s ease both}.ob-upload-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:14px;margin-bottom:16px}.ob-avatar-preview,.ob-cover-preview{display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid #e1d9ef;background:#faf8ff;color:#fff;font-size:12px;font-weight:850;margin:7px 0 8px}.ob-avatar-preview{width:86px;height:86px;border-radius:22px;color:var(--muted)}.ob-cover-preview{width:100%;aspect-ratio:4/1;border-radius:18px}.ob-cover-preview span{text-shadow:0 1px 8px rgba(0,0,0,.28)}.ob-avatar-preview img,.ob-cover-preview img{width:100%;height:100%;object-fit:cover}.ob-cover-presets{display:flex;gap:8px;overflow-x:auto;padding:6px 0 2px;-webkit-overflow-scrolling:touch}.ob-cover-preset{display:flex;align-items:center;gap:7px;flex:0 0 auto;border:1px solid #e1d9ef;border-radius:999px;background:#fff;padding:7px 10px;color:var(--soft);font:inherit;font-size:11px;font-weight:850;cursor:pointer}.ob-cover-preset i{width:24px;height:24px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(255,255,255,.55)}.ob-cover-preset.active{border-color:var(--purple);background:var(--purple-soft);color:var(--purple)}.ob-category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:8px 0 18px}.ob-category-card{min-height:98px;border:1px solid #e1d9ef;background:#fff;border-radius:18px;padding:15px;text-align:left;color:var(--ink);font:inherit;font-weight:850;cursor:pointer;transition:.18s}.ob-category-card span{display:block;font-size:28px;margin-bottom:10px}.ob-category-card b{display:block;font-size:15px}.ob-category-card small{display:block;margin-top:6px;color:var(--soft);font-size:11.5px}.ob-category-card.active{border-color:var(--purple);background:var(--purple-soft);color:var(--purple);box-shadow:0 8px 22px rgba(109,63,224,.13)}.ob-category-card.editing{outline:2px solid var(--purple);outline-offset:2px}.ob-category-card.editing small{color:var(--purple)}.ob-profile-preview{display:block}.ob-preview-cover{height:150px;border-radius:22px;background:linear-gradient(135deg,#efe8ff,#faf8ff);overflow:hidden;border:1px solid #e1d9ef}.ob-preview-cover img{width:100%;height:100%;object-fit:cover}.ob-preview-head{display:flex;align-items:center;gap:14px;margin:-32px 0 16px;padding-left:18px}.ob-preview-avatar{width:78px;height:78px;border-radius:22px;background:#fff;border:4px solid #fff;box-shadow:0 10px 28px rgba(22,10,54,.16);display:flex;align-items:center;justify-content:center;overflow:hidden;color:var(--purple);font-size:28px;font-weight:900}.ob-preview-avatar img{width:100%;height:100%;object-fit:cover}.ob-preview-head h3{margin:28px 0 2px;font-size:22px}.ob-preview-head p,.ob-preview-grid p{margin:0;color:var(--soft)}.ob-preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0}.ob-preview-grid>div,.ob-preview-section{border:1px solid #e1d9ef;border-radius:16px;background:#fff;padding:13px}.ob-preview-grid b,.ob-preview-section>b{display:block;color:var(--soft);font-size:12px;margin-bottom:6px}.ob-preview-pill{display:inline-flex;border:1px solid #e1d9ef;border-radius:999px;padding:7px 10px;margin:5px 6px 0 0;font-size:12px;font-weight:850;color:var(--purple);background:#faf8ff}.ob-removable-pill{align-items:center;gap:7px;font:inherit;font-size:12px;font-weight:850;cursor:pointer}.ob-removable-pill span{font-size:16px;line-height:1}.ob-removable-pill:disabled{cursor:default}.muted{color:var(--muted)}@keyframes obFadeIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@media(max-width:700px){.ob-upload-grid{grid-template-columns:1fr}.ob-category-grid{display:flex;overflow-x:auto;gap:10px;padding:2px 2px 12px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}.ob-category-card{flex:0 0 150px;scroll-snap-align:start}.ob-preview-grid{grid-template-columns:1fr 1fr}.ob-preview-cover{height:118px}}
  #onboardingForm label:has(>[name="cityExtra"]){display:none!important}
  .ob-age-check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;gap:9px;color:var(--ink)!important}.ob-age-check input{width:17px;height:17px;accent-color:var(--purple)}
  :root {
    --bg: #F6F5FA;
    --panel: #FFFFFF;
    --panel-soft: #FBFAFD;
    --ink: #17151F;
    --soft: #6B6478;
    --muted: #9891A4;
    --line: #E9E5F1;
    --purple: #6D3FE0;
    --purple-soft: #F1ECFF;
    --teal: #0F9F7A;
    --teal-soft: #E8F7F1;
    --amber: #B7791F;
    --amber-soft: #FFF6DE;
    --blue: #2563EB;
    --blue-soft: #EAF1FF;
    --red: #D92D20;
    --red-soft: #FFF0EE;
    --shadow: 0 12px 32px rgba(32, 22, 64, .06);
  }
  * { box-sizing: border-box; }
  body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
  }
  button, input, select, textarea { font: inherit; }
  a { color: inherit; }
  a:focus-visible,
  button:focus-visible,
  [role="button"]:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible {
    outline: 2px solid rgba(109,63,224,.78);
    outline-offset: 3px;
  }
  h1, h2, h3 { letter-spacing: -.01em; }
  .app {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    min-height: 100vh;
  }
  .sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 16px;
    border-right: 1px solid var(--line);
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 17px;
    padding: 6px 8px;
  }
  .brand img {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    object-fit: contain;
    background: #fff;
  }
  .role-select {
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: 10px;
    padding: 9px 12px;
    color: var(--ink);
    font-weight: 650;
    font-size: 13px;
    width: 100%;
  }
  .role-select:focus, .field input:focus, .field textarea:focus, .thread-compose input:focus, .overlay-body .search:focus {
    border-color: rgba(109,63,224,.5);
    box-shadow: 0 0 0 3px rgba(109,63,224,.12);
  }
  .role-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--line);
    background: var(--purple-soft);
    border-radius: 10px;
    padding: 9px 12px;
    color: var(--purple);
    font-weight: 700;
    font-size: 13px;
    width: 100%;
  }
  .role-badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 99px;
    background: var(--purple);
    flex: 0 0 auto;
  }
  .nav {
    display: grid;
    gap: 2px;
  }
  .nav button {
    border: 0;
    background: transparent;
    color: var(--soft);
    border-radius: 9px;
    padding: 10px 11px;
    display: flex;
    align-items: center;
    gap: 11px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    text-align: left;
    transition: background .15s ease, color .15s ease;
  }
  .nav button:hover { background: var(--panel-soft); color: var(--ink); }
  .nav button.active { background: var(--purple-soft); color: var(--purple); font-weight: 700; }
  .nav-icon {
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    opacity: .85;
  }
  .nav-icon svg { width: 18px; height: 18px; }
  .side-foot {
    margin-top: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel-soft);
    padding: 12px;
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 500;
    line-height: 1.45;
  }
  .side-foot b {
    display: block;
    margin-bottom: 4px;
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
  }
  .side-foot span { display: block; }
  .main {
    min-width: 0;
    padding: 18px 26px 34px;
  }
  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 20px;
  }
  .title-wrap h1 {
    margin: 0;
    font-size: clamp(20px, 2.4vw, 26px);
    font-weight: 700;
    line-height: 1.2;
  }
  .title-wrap p {
    margin: 3px 0 0;
    color: var(--soft);
    font-size: 13px;
    font-weight: 500;
  }
  .mode-chip {
    margin-left: auto;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--purple);
    border-radius: 999px;
    padding: 7px 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .02em;
    white-space: nowrap;
  }
  .user-chip {
    display: flex;
    align-items: center;
    gap: 9px;
    min-width: 0;
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: 999px;
    padding: 6px 13px 6px 6px;
    box-shadow: 0 6px 16px rgba(32, 22, 64, .04);
  }
  .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--purple);
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    flex: 0 0 auto;
    overflow: hidden;
  }
  .avatar img { width: 100%; height: 100%; object-fit: cover; }
  .user-chip b {
    display: block;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 650;
  }
  .user-chip span {
    display: block;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--muted);
    font-size: 11.5px;
    font-weight: 500;
  }
  .panel { display: none; }
  .panel.active { display: block; }
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
  .grid-2 {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
    gap: 14px;
  }
  .card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
  }
  .metric {
    padding: 16px;
    min-height: 100px;
  }
  .metric span {
    color: var(--soft);
    font-weight: 650;
    font-size: 12px;
    letter-spacing: .02em;
  }
  .metric b {
    display: block;
    margin-top: 8px;
    font-size: 26px;
    font-weight: 700;
    line-height: 1;
  }
  .metric p {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 12px;
    font-weight: 500;
  }
  .section {
    margin-top: 14px;
  }
  .section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
  }
  .notice {
    margin-bottom: 16px;
    border: 1px solid rgba(109,63,224,.16);
    border-radius: 12px;
    padding: 13px 15px;
    background: linear-gradient(180deg, rgba(109,63,224,.08), rgba(109,63,224,.03));
  }
  .notice.warn {
    border-color: rgba(245,158,11,.26);
    background: linear-gradient(180deg, rgba(245,158,11,.09), rgba(245,158,11,.03));
  }
  .notice h2 {
    margin: 0 0 5px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.25;
  }
  .notice p {
    margin: 0;
    color: var(--soft);
    font-weight: 500;
    line-height: 1.5;
  }
  .section-head h2 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
  }
  .section-head span {
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 600;
  }
  .list {
    display: grid;
    gap: 8px;
  }
  .row {
    display: grid;
    grid-template-columns: 62px minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    padding: 11px 12px;
    transition: background .15s ease;
  }
  .row[data-course]:hover, .video-card:hover, .prac-card:hover { background: var(--panel-soft); }
  .thumb {
    width: 62px;
    height: 48px;
    border-radius: 10px;
    background: linear-gradient(135deg, #E9F1FF, #F1ECFF);
    display: grid;
    place-items: center;
    color: var(--purple);
    font-weight: 700;
    overflow: hidden;
  }
  .thumb img { width: 100%; height: 100%; object-fit: cover; }
  .row h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 650;
    line-height: 1.3;
  }
  .row p {
    margin: 3px 0 0;
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 500;
  }
  .tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    border-radius: 999px;
    padding: 4px 10px;
    background: var(--purple-soft);
    color: var(--purple);
    font-size: 11.5px;
    font-weight: 650;
    white-space: nowrap;
  }
  .tag.teal { background: var(--teal-soft); color: var(--teal); }
  .tag.amber { background: var(--amber-soft); color: var(--amber); }
  .tag.blue { background: var(--blue-soft); color: var(--blue); }
  .tag.red { background: var(--red-soft); color: var(--red); }
  .btn {
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--ink);
    border-radius: 10px;
    min-height: 38px;
    padding: 9px 14px;
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    white-space: nowrap;
    transition: background .15s ease, border-color .15s ease, transform .15s ease;
  }
  .btn:hover { background: var(--panel-soft); border-color: #D9D2EA; }
  .btn.primary {
    background: var(--purple);
    border-color: var(--purple);
    color: #fff;
    font-weight: 650;
  }
  .btn.primary:hover { background: #5F32D1; border-color: #5F32D1; }
  .btn.danger {
    background: var(--red-soft);
    border-color: #F5C2BD;
    color: var(--red);
  }
  body.modal-open { overflow: hidden; }
  body.business-mode {
    --bg: #F7F7FB;
    --purple: #5A35D6;
    --purple-soft: #F0ECFF;
  }
  body.business-mode .metric:nth-child(2) b { color: var(--teal); }
  body.business-mode .metric:nth-child(3) b { color: var(--blue); }

  /* ── Business dashboard (rich home) ─────────────────────────────────── */
  .bus-dash { display: grid; gap: 14px; max-width: 900px; }
  .bd-grid { display: grid; gap: 14px; }
  .bd-col { display: grid; gap: 14px; align-content: start; }
  @media (min-width: 1000px) {
    .bus-dash { max-width: 1180px; }
    .bd-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
  }
  .bus-dash svg { width: 1em; height: 1em; }
  .bd-section { display: grid; gap: 9px; }
  .bd-section-head { display: flex; align-items: center; gap: 8px; }
  .bd-section-head::before { content: ''; width: 4px; height: 16px; border-radius: 4px; background: linear-gradient(180deg, #A855F7, #5B2DC9); flex: none; }
  .bd-section-head h3 { margin: 0; font-size: 16px; font-weight: 800; color: var(--ink); }
  .bd-section-ic { color: var(--purple); font-size: 17px; display: inline-flex; }
  .bd-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 16px; display: grid; gap: 12px; box-shadow: var(--shadow); }

  .bd-profile { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; box-shadow: var(--shadow); overflow: hidden; }
  .bd-profile::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 4px; background: linear-gradient(90deg, #5B2DC9, #A855F7, #C026D3); }
  .bd-profile-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
  .bd-avatar { width: 46px; height: 46px; border-radius: 999px; overflow: hidden; background: linear-gradient(135deg, #5B2DC9, #C026D3); color: #fff; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; flex: none; }
  .bd-avatar img { width: 100%; height: 100%; object-fit: cover; }
  .bd-profile-name { display: grid; gap: 4px; min-width: 0; }
  .bd-profile-name b { font-size: 17px; font-weight: 800; }
  .bd-teacher-badge { justify-self: start; font-size: 11px; font-weight: 800; color: var(--purple); background: var(--purple-soft); border-radius: 8px; padding: 2px 8px; }
  .bd-rating { display: inline-flex; align-items: center; gap: 5px; font-size: 15px; color: var(--amber); font-weight: 700; white-space: nowrap; }
  .bd-rating b { color: var(--ink); }

  .bd-golive { display: flex; align-items: center; gap: 14px; text-decoration: none; background: linear-gradient(135deg, #1A0A3B, #2B1466); color: #fff; border-radius: 18px; padding: 16px 18px; box-shadow: 0 14px 30px rgba(90,53,214,.28); }
  .bd-golive-dot { width: 34px; height: 34px; border-radius: 999px; background: rgba(217,45,32,.22); position: relative; flex: none; }
  .bd-golive-dot::after { content: ''; position: absolute; inset: 10px; border-radius: 999px; background: #EF4444; }
  .bd-golive-copy { flex: 1; display: grid; gap: 3px; min-width: 0; }
  .bd-golive-copy b { font-size: 15px; font-weight: 800; }
  .bd-golive-copy span { font-size: 12px; color: rgba(255,255,255,.66); }
  .bd-golive-btn { display: inline-flex; align-items: center; gap: 6px; background: #EF4444; color: #fff; border-radius: 12px; padding: 9px 14px; font-weight: 800; font-size: 13px; white-space: nowrap; }

  .bd-quick-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .bd-quick { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 12px; font-weight: 800; font-size: 13px; }
  .bd-quick:hover { border-color: rgba(109,63,224,.4); }
  .bd-quick-ic { width: 34px; height: 34px; border-radius: 11px; display: inline-flex; align-items: center; justify-content: center; color: var(--purple); flex: none; font-size: 17px; }

  .bd-business { background: linear-gradient(160deg, #6D3FE0, #5A2FCB); color: #fff; border-radius: 20px; padding: 18px; display: grid; gap: 16px; box-shadow: 0 16px 34px rgba(90,53,214,.28); }
  .bd-business-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
  .bd-business-title { font-size: 16px; font-weight: 800; }
  .bd-business-badge { font-size: 11px; font-weight: 800; text-transform: uppercase; background: rgba(255,255,255,.16); border-radius: 999px; padding: 6px 11px; }
  .bd-business-figures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .bd-business-figures > div { display: grid; gap: 3px; }
  .bd-business-figures b { font-size: 26px; font-weight: 800; line-height: 1.1; }
  .bd-business-figures span { font-size: 12px; color: rgba(255,255,255,.82); font-weight: 700; }
  .bd-business-pills { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
  .bd-pill { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.2); border-radius: 12px; padding: 10px; display: grid; gap: 2px; }
  .bd-pill b { font-size: 15px; font-weight: 800; }
  .bd-pill span { font-size: 10px; color: rgba(255,255,255,.82); font-weight: 800; }
  .bd-business-status { width:100%; display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-radius: 14px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.16); font:inherit; font-size: 12px; font-weight: 850; color: rgba(255,255,255,.9); text-align:left; cursor:pointer; }
  .bd-business-status span { width: 22px; height: 22px; border-radius: 999px; display: grid; place-items: center; background: rgba(255,255,255,.16); flex: none; }
  .bd-business-actions { display: flex; gap: 12px; }
  .bd-btn-outline, .bd-btn-solid { flex: 1; text-align: center; text-decoration: none; border-radius: 14px; padding: 12px; font:inherit; font-weight: 800; font-size: 14px; border:0; cursor:pointer; }
  .bd-btn-outline { border: 1.5px solid rgba(255,255,255,.9); color: #fff; background: transparent; }
  .bd-btn-solid { background: #fff; color: var(--purple); }
  .bd-btn-solid.disabled { pointer-events: none; opacity: .58; }
  .bd-btn-outline.dark { border-color: var(--purple); color: var(--purple); }
  .bd-btn-solid.dark { background: var(--purple); color: #fff; }

  .bd-manage { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
  .bd-manage-row { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); padding: 14px; border-bottom: 1px solid var(--line); }
  .bd-manage-row:last-child { border-bottom: 0; }
  .bd-manage-ic { width: 40px; height: 40px; border-radius: 13px; display: inline-flex; align-items: center; justify-content: center; color: var(--purple); flex: none; font-size: 18px; }
  .bd-manage-copy { flex: 1; display: grid; gap: 3px; min-width: 0; }
  .bd-manage-copy b { font-size: 15px; font-weight: 800; }
  .bd-manage-copy span { font-size: 12px; color: var(--soft); font-weight: 700; }
  .bd-chevron { color: var(--purple); font-size: 22px; font-weight: 700; }

  .bd-gifts { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 16px; display: grid; gap: 14px; box-shadow: var(--shadow); }
  .bd-gifts-head { display: flex; align-items: center; gap: 12px; background: var(--purple-soft); border-radius: 16px; padding: 14px; }
  .bd-gifts-ic { width: 46px; height: 46px; border-radius: 16px; background: var(--panel); color: var(--purple); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; flex: none; }
  .bd-gifts-label { font-size: 12px; font-weight: 800; color: var(--soft); }
  .bd-gifts-coin { display: flex; align-items: flex-end; gap: 8px; margin-top: 3px; }
  .bd-gifts-coin b { font-size: 30px; font-weight: 800; line-height: 1; }
  .bd-gifts-coin span { font-size: 13px; color: var(--soft); font-weight: 800; padding-bottom: 2px; }
  .bd-gifts-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .bd-gift-stat { border: 1px solid var(--line); border-radius: 14px; padding: 12px; display: grid; gap: 4px; }
  .bd-gift-stat span { font-size: 12px; font-weight: 800; color: var(--soft); }
  .bd-gift-stat b { font-size: 19px; font-weight: 800; }
  .bd-gift-stat small { font-size: 12px; color: var(--soft); font-weight: 800; }

  .bd-session { display: flex; align-items: center; gap: 11px; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .bd-session:last-child { border-bottom: 0; }
  .bd-session-ic { width: 38px; height: 38px; border-radius: 13px; background: var(--purple-soft); color: var(--purple); display: inline-flex; align-items: center; justify-content: center; font-size: 18px; flex: none; }
  .bd-session-copy { flex: 1; display: grid; gap: 2px; min-width: 0; }
  .bd-session-copy b { font-size: 13px; font-weight: 800; }
  .bd-session-copy span { font-size: 11px; color: var(--soft); font-weight: 700; }
  .bd-session-amount { color: var(--purple); font-weight: 800; }
  .bd-empty { display: grid; justify-items: center; gap: 10px; text-align: center; padding: 12px; color: var(--purple); font-size: 26px; }
  .bd-empty div { display: grid; gap: 4px; }
  .bd-empty b { font-size: 15px; color: var(--ink); }
  .bd-empty span { font-size: 12px; color: var(--soft); font-weight: 600; line-height: 1.5; }
  .bd-empty .bd-btn-solid { background: var(--purple); color: #fff; padding: 10px 22px; font-size: 14px; }

  .bd-metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .bd-metric { background: var(--purple-soft); border-radius: 12px; padding: 13px; display: grid; gap: 4px; }
  .bd-metric-ic { color: var(--purple); font-size: 18px; }
  .bd-metric-label { font-size: 12px; font-weight: 700; color: var(--ink); }
  .bd-metric-value { font-size: 20px; font-weight: 800; }
  .bd-progress, .bd-activity { border: 1px solid rgba(109,63,224,.2); border-radius: 14px; padding: 13px; display: grid; gap: 12px; }
  .bd-progress-head { display: flex; align-items: center; justify-content: space-between; font-size: 12px; font-weight: 700; }
  .bd-progress-head b { font-weight: 800; }
  .bd-progress-track { height: 7px; border-radius: 999px; background: var(--purple-soft); overflow: hidden; }
  .bd-progress-track span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, #5B2DC9, #C026D3); }
  .bd-bars { height: 92px; display: flex; align-items: flex-end; gap: 6px; }
  .bd-bar { flex: 1; min-width: 8px; border-radius: 7px 7px 0 0; background: linear-gradient(180deg, #A855F7, #5B2DC9); }
  .bd-bar.empty { background: #E7E0F4; }
  .bd-modal-overlay{position:fixed;inset:0;z-index:500;display:grid;place-items:center;padding:20px;background:rgba(22,10,54,.56);backdrop-filter:blur(12px)}
  .bd-modal{width:min(880px,100%);max-height:min(820px,92vh);overflow:auto;border-radius:26px;background:#fff;box-shadow:0 28px 90px rgba(22,10,54,.34);padding:24px;position:relative}
  .bd-modal-close{position:absolute;right:18px;top:16px;width:38px;height:38px;border:0;border-radius:999px;background:#f3effb;color:var(--purple);font-size:24px;cursor:pointer}
  .bd-modal-head span{color:var(--purple);font-size:11px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}.bd-modal-head h2{margin:4px 0;font-size:28px}.bd-modal-head p{margin:0;color:var(--soft)}
  .bd-modal-tabs{display:flex;gap:8px;margin:18px 0}.bd-modal-tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;font:inherit;font-weight:850;cursor:pointer}.bd-modal-tabs button.active{border-color:var(--purple);background:var(--purple-soft);color:var(--purple)}
  .bd-source-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-bottom:16px}.bd-source-grid div{border:1px solid var(--line);border-radius:16px;background:#fbf9ff;padding:13px}.bd-source-grid span{display:block;color:var(--soft);font-size:11px;font-weight:850}.bd-source-grid b{font-size:18px}
  .bd-modal-body h3{margin:18px 0 9px}.bd-modal-row{display:flex;justify-content:space-between;gap:12px;align-items:center;border:1px solid var(--line);border-radius:16px;padding:13px;margin-bottom:8px;background:#fff}.bd-modal-row span{display:block;color:var(--soft);font-size:12px;margin-top:3px}.bd-modal-row strong{color:var(--purple)}.bd-modal-empty{border:1px dashed var(--line);border-radius:16px;padding:18px;color:var(--soft);font-weight:800;text-align:center}
  .bd-row-actions{display:flex;gap:8px}.bd-row-actions button{border:1px solid var(--line);border-radius:12px;background:#fff;padding:9px 12px;font:inherit;font-weight:850;cursor:pointer}.bd-row-actions button:first-child{border-color:var(--purple);background:var(--purple);color:#fff}
  .bd-withdraw-form{display:grid;gap:12px}.bd-withdraw-form label{display:grid;gap:7px;color:var(--soft);font-size:12px;font-weight:850}.bd-withdraw-form input,.bd-withdraw-form select,.bd-withdraw-form textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 13px;font:inherit;color:var(--ink)}.bd-withdraw-form textarea{min-height:90px}.bd-submit{border:0;border-radius:14px;background:var(--purple);color:#fff;padding:13px;font:inherit;font-weight:900;cursor:pointer}.bd-submit:disabled{opacity:.55;cursor:not-allowed}.bd-withdraw-form p{margin:0;color:var(--purple);font-weight:850}

  @media (max-width: 900px) { .bd-business-pills { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 700px) { .bd-source-grid{grid-template-columns:1fr 1fr}.bd-modal{padding:18px;border-radius:22px}.bd-modal-row{align-items:flex-start;flex-direction:column}.bd-row-actions{width:100%}.bd-row-actions button{flex:1} }
  @media (max-width: 560px) { .bd-business-pills { grid-template-columns: 1fr; }.bd-source-grid{grid-template-columns:1fr} }

  /* ── Management page ────────────────────────────────────────────────── */
  .nav-business-only { display: none; }
  body.business-mode .nav-business-only { display: flex; }
  body:not(.business-mode) .nav .nav-business-only { display:none !important; }
  body:not(.business-mode) .panel.bus-only { display: none !important; }
  /* Admin-only sidebar link — mirrors the business-only rule. Revealed
     by body.admin-mode which app-role-access.js flips based on
     profile.is_admin. Styled as a real nav row so it blends with
     the other buttons even though it's an <a>. */
  .nav-admin-only { display: none; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 12px; color: inherit; text-decoration: none; font-weight: 700; }
  .nav-admin-only:hover { background: var(--lav-soft, #eee6ff); }
  .nav-admin-only .nav-icon { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; color: #c2410c; }
  body.admin-mode .nav-admin-only { display: flex; }
  body:not(.admin-mode) .nav-admin-only { display: none !important; }
  .mg-wrap { display: grid; gap: 16px; max-width: 860px; }
  .mg-wrap svg { width: 1em; height: 1em; }
  .mg-loading { padding: 40px; text-align: center; color: var(--soft); font-weight: 700; }
  .mg-tabs { display: flex; gap: 4px; padding: 5px; border-radius: 16px; background: linear-gradient(90deg, #5B2DC9, #A855F7, #C026D3); }
  .mg-tab { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; cursor: pointer; background: transparent; color: rgba(255,255,255,.82); font-weight: 800; font-size: 13px; padding: 10px 8px; border-radius: 12px; }
  .mg-tab-ic { display: inline-flex; font-size: 15px; }
  .mg-tab.active { background: #fff; color: var(--purple); }
  .mg-summary { display: flex; align-items: center; gap: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; box-shadow: var(--shadow); }
  .mg-summary-ic { width: 46px; height: 46px; border-radius: 14px; background: var(--purple-soft); color: var(--purple); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; flex: none; }
  .mg-summary-ic.teal { background: var(--teal-soft); color: var(--teal); }
  .mg-summary-ic.red { background: var(--red-soft); color: var(--red); }
  .mg-summary-ic.purple { background: var(--purple-soft); color: var(--purple); }
  .mg-summary-copy { flex: 1; min-width: 0; display: grid; gap: 3px; }
  .mg-summary-copy b { font-size: 17px; font-weight: 800; }
  .mg-summary-copy span { font-size: 12px; color: var(--soft); font-weight: 700; }
  .mg-btn-solid { text-decoration: none; background: var(--purple); color: #fff; border-radius: 12px; padding: 11px 16px; font-weight: 800; font-size: 13px; white-space: nowrap; }
  .mg-btn-solid.teal { background: var(--teal); }
  .mg-btn-solid.purple { background: #7140D8; }
  .mg-seg { display: flex; gap: 8px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 6px; }
  .mg-seg-btn { flex: 1; border: 0; cursor: pointer; background: transparent; color: var(--soft); font-weight: 800; font-size: 14px; padding: 11px; border-radius: 10px; }
  .mg-seg-btn.active { background: var(--purple); color: #fff; }
  .mg-list { display: grid; gap: 10px; }
  .mg-row { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 13px 14px; box-shadow: var(--shadow); }
  .mg-row:hover { border-color: rgba(109,63,224,.35); }
  .mg-row-ic { width: 42px; height: 42px; border-radius: 13px; background: var(--purple-soft); color: var(--purple); display: inline-flex; align-items: center; justify-content: center; font-size: 19px; flex: none; }
  .mg-row-ic.teal { background: var(--teal-soft); color: var(--teal); }
  .mg-row-ic.red { background: var(--red-soft); color: var(--red); }
  .mg-row-ic.purple { background: var(--purple-soft); color: #7140D8; }
  .mg-row-copy { flex: 1; min-width: 0; display: grid; gap: 3px; }
  .mg-row-copy b { font-size: 15px; font-weight: 800; }
  .mg-row-copy > span { font-size: 12px; color: var(--soft); font-weight: 700; }
  .mg-chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
  .mg-chip { font-size: 11px; font-weight: 800; color: var(--purple); background: var(--purple-soft); border-radius: 7px; padding: 2px 7px; }
  .mg-row-tag { font-size: 13px; font-weight: 800; color: var(--teal); white-space: nowrap; }
  .mg-chevron { color: var(--purple); font-size: 22px; font-weight: 700; }
  .mg-empty { display: grid; justify-items: center; gap: 10px; text-align: center; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 28px 20px; box-shadow: var(--shadow); }
  .mg-empty-ic { width: 54px; height: 54px; border-radius: 16px; background: var(--purple-soft); color: var(--purple); display: inline-flex; align-items: center; justify-content: center; font-size: 26px; }
  .mg-empty b { font-size: 17px; }
  .mg-empty p { margin: 0; font-size: 13px; color: var(--soft); font-weight: 600; max-width: 380px; }
  .mg-empty .mg-btn-solid { margin-top: 4px; padding: 12px 24px; font-size: 14px; }
  .mg-empty-ic.teal { background: var(--teal-soft); color: var(--teal); }
  .mg-empty-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 4px; }
  .mg-summary-actions { display: flex; gap: 8px; flex: none; }
  .mg-broadcast-choice { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; margin:16px 0; }
  .mg-broadcast-choice .card { padding:16px; border-radius:16px; }
  .mg-broadcast-choice b { display:block; font-size:16px; margin-bottom:5px; }
  .mg-broadcast-choice p { margin:0; color:var(--soft); font-size:12px; line-height:1.5; }
  .cc-provider-card { display:flex; align-items:flex-start; gap:12px; padding:14px; margin-bottom:14px; border:1px solid #DED3FF; border-radius:16px; background:linear-gradient(135deg,#F7F2FF,#FFF); }
  .cc-provider-card b { display:block; font-size:16px; margin-bottom:4px; }
  .cc-provider-card p { margin:0; color:var(--soft); font-size:12px; line-height:1.5; }
  .cc-zoom-course { margin:14px 0; padding:14px; border:1px solid #DCCEFF; border-radius:18px; background:linear-gradient(135deg,#F8F4FF,#FFF 58%,#F2FBF8); }
  .cc-zoom-head { display:flex; align-items:center; gap:12px; }
  .cc-zoom-head>div { flex:1; min-width:0; }
  .cc-zoom-head b { display:block; font-size:16px; }
  .cc-zoom-head p,.cc-zoom-note { margin:3px 0 0; color:var(--soft); font-size:12px; line-height:1.45; }
  #ccZoomFields { margin-top:14px; padding-top:14px; border-top:1px solid #E8E0F5; }
  .cc-switch { position:relative; width:48px; height:28px; flex:none; }
  .cc-switch input { position:absolute; opacity:0; pointer-events:none; }
  .cc-switch span { display:block; width:48px; height:28px; border-radius:99px; background:#D8D2E2; cursor:pointer; transition:.2s; }
  .cc-switch span:after { content:""; position:absolute; width:22px; height:22px; left:3px; top:3px; border-radius:50%; background:#fff; box-shadow:0 2px 5px #0002; transition:.2s; }
  .cc-switch input:checked+span { background:linear-gradient(90deg,#6535DC,#A23BEA); }
  .cc-switch input:checked+span:after { transform:translateX(20px); }
  @media (max-width:700px) {
    .mg-broadcast-choice { grid-template-columns:1fr; }
    .mg-summary { align-items:flex-start; flex-wrap:wrap; }
    .mg-summary-actions { width:100%; }
    .mg-summary-actions .mg-btn-solid,.mg-summary-actions .mg-btn-outline { flex:1; }
  }
  .mg-btn-outline { border: 1.5px solid var(--purple); background: var(--panel); color: var(--purple); border-radius: 12px; padding: 11px 16px; font-weight: 800; font-size: 13px; cursor: pointer; white-space: nowrap; }
  .mg-btn-solid.sm, .mg-btn-outline.sm { padding: 9px 13px; }
  .mg-course-list { display:grid; gap:14px; }
  .mg-course-card { display:grid; grid-template-columns:190px minmax(0,1fr); overflow:hidden; border:1px solid var(--line); border-radius:18px; background:var(--panel); box-shadow:var(--shadow); }
  .mg-course-cover { min-height:176px; display:grid; place-items:center; overflow:hidden; background:linear-gradient(135deg,var(--teal-soft),var(--purple-soft)); color:var(--teal); font-size:38px; }
  .mg-course-cover img { width:100%; height:100%; object-fit:cover; }
  .mg-course-main { min-width:0; display:grid; gap:14px; padding:17px 18px; }
  .mg-course-title { display:flex; align-items:flex-start; justify-content:space-between; gap:12px; }
  .mg-course-title h3 { margin:0 0 7px; font-size:18px; line-height:1.25; }
  .mg-status { flex:none; padding:5px 9px; border-radius:999px; background:var(--teal-soft); color:var(--teal); font-size:11px; font-weight:850; }
  .mg-status.draft { background:var(--amber-soft); color:var(--amber); }
  .mg-course-facts { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; }
  .mg-course-facts span { min-width:0; display:grid; gap:4px; color:var(--ink); font-size:12px; font-weight:700; }
  .mg-course-facts b { color:var(--soft); font-size:10px; text-transform:uppercase; letter-spacing:.04em; }
  .mg-course-footer { display:flex; align-items:center; justify-content:space-between; gap:12px; padding-top:12px; border-top:1px solid var(--line); }
  .mg-course-footer strong { color:var(--teal); font-size:15px; }
  .mg-course-actions { display:flex; gap:8px; }
  .mg-btn-danger { border:1px solid rgba(217,45,32,.3); border-radius:12px; background:rgba(217,45,32,.06); color:var(--red); padding:11px 16px; font-weight:800; font-size:13px; cursor:pointer; }
  .mg-btn-danger.sm { padding:9px 13px; }
  @media (max-width:700px) {
    .mg-course-card { grid-template-columns:1fr; }
    .mg-course-cover { min-height:150px; max-height:210px; }
    .mg-course-facts { grid-template-columns:1fr; }
    .mg-course-footer { align-items:stretch; flex-direction:column; }
    .mg-course-actions > * { flex:1; }
  }
  /* course detail (mobile-style) */
  .cd-cover { position: relative; min-height: 140px; border-radius: 14px; display: flex; align-items: flex-end; padding: 14px; background: linear-gradient(135deg,#5B2DC9,#C026D3); background-size: cover; background-position: center; }
  .cd-cover-title { color: #fff; font-size: 20px; font-weight: 800; text-shadow: 0 2px 8px rgba(0,0,0,.35); }
  .cc-weekdays{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:8px 0 2px}.cc-weekdays label{padding:7px 9px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:12px}.cd-zoom-classroom{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;margin:18px 0;padding:18px;border:1px solid #d9c9ff;border-radius:18px;background:linear-gradient(135deg,#f3ecff,#fff 55%,#eafbf5);box-shadow:0 14px 36px rgba(91,45,201,.1)}.cd-zoom-icon{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;background:#6534da;color:#fff;font-size:25px}.cd-zoom-main small{font-weight:900;letter-spacing:.08em;color:#693be0}.cd-zoom-main h3{margin:4px 0}.cd-zoom-main p{margin:0;color:var(--muted)}.cd-zoom-warning{margin-top:7px;color:#8b5f00;font-size:12px;font-weight:700}.btn.disabled{pointer-events:none;opacity:.5}.cd-session-list{display:grid;gap:7px}.cd-session-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:11px;border:1px solid var(--line);border-radius:12px}.cd-session-row p{margin:2px 0 0;color:var(--muted);font-size:12px}@media(max-width:650px){.cd-zoom-classroom{grid-template-columns:auto 1fr}.cd-zoom-classroom>.btn{grid-column:1/-1}.cc-weekdays span{width:100%}}
  .cc-timezone{margin-top:10px;color:var(--soft);font-size:12px}.cc-zoom-preview{margin-top:10px;padding:11px 13px;border:1px solid #d9c9ff;border-radius:12px;background:#fff;color:#5b2dc9;font-size:13px;font-weight:800}
  .class-session-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.class-session-actions .btn{min-height:34px;padding:7px 10px}
  .cd-desc { margin: 0; font-weight: 600; color: var(--soft); line-height: 1.6; }
  .cd-sec { margin: 18px 0 8px; font-size: 12px; font-weight: 800; color: var(--purple); text-transform: uppercase; letter-spacing: .05em; }
  .pv-chip.teal { background: var(--teal-soft); color: var(--teal); }
  /* schedule (mobile-style) */
  .sch-avatar { width: 42px; height: 42px; border-radius: 999px; overflow: hidden; flex: none; background: linear-gradient(135deg,#5B2DC9,#C026D3); color: #fff; font-weight: 800; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; }
  .sch-avatar img { width: 100%; height: 100%; object-fit: cover; }
  .sch-cancel { border: 1.5px solid var(--red); background: var(--panel); color: var(--red); border-radius: 10px; padding: 8px 12px; font-weight: 800; font-size: 12px; cursor: pointer; white-space: nowrap; }
  .sch-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
  .sch-head b { font-size: 17px; font-weight: 800; }
  .sch-back { border: 0; background: transparent; color: var(--purple); font-weight: 800; font-size: 14px; cursor: pointer; padding: 0; }
  .sch-slots { display: flex; flex-wrap: wrap; gap: 8px; }
  /* course-create modal */
  .cc-cover { width: 100%; min-height: 120px; border: 1.5px dashed var(--line); border-radius: 14px; background: var(--panel-soft); color: var(--purple); font-weight: 800; cursor: pointer; display: flex; align-items: center; justify-content: center; }
  .cc-check { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-weight: 700; color: var(--soft); font-size: 13px; }
  .cc-hint { margin: 8px 0 0; font-size: 11px; color: var(--muted); font-weight: 600; }
  #ccBody .pv-field select { border: 1px solid var(--line); border-radius: 12px; padding: 11px 13px; font: inherit; color: var(--ink); background: var(--panel-soft); }
  #courseCreateOverlay .overlay-card { width:min(700px,calc(100vw - 32px)) !important; max-height:min(92vh,900px); }
  #courseCreateOverlay .overlay-head { flex:none; }
  #courseCreateOverlay #ccBody { min-height:0; padding-bottom:0; }
  #courseCreateOverlay .pv-edit-actions { position:sticky; z-index:6; bottom:0; margin:16px -16px 0; padding:14px 16px 16px; border-top:1px solid var(--line); background:rgba(255,255,255,.96); box-shadow:0 -10px 24px rgba(25,18,45,.08); backdrop-filter:blur(12px); }
  #courseCreateOverlay .cc-hint { padding-bottom:14px; }
  .cc-preview { display:grid; grid-template-columns:150px minmax(0,1fr); gap:14px; align-items:center; margin-bottom:14px; padding:12px; border:1px solid rgba(109,63,224,.25); border-radius:14px; background:var(--purple-soft); }
  .cc-preview-cover { min-height:92px; border-radius:11px; background:linear-gradient(135deg,#5B2DC9,#C026D3); background-size:cover; background-position:center; }
  .cc-preview small { color:var(--purple); font-weight:850; text-transform:uppercase; letter-spacing:.04em; }
  .cc-preview h3 { margin:5px 0; }
  .cc-preview p { margin:0; color:var(--soft); font-size:12px; line-height:1.45; }
  @media (max-width:560px) { .cc-preview { grid-template-columns:1fr; } }

  /* ── Media studio ───────────────────────────────────────────────────── */
  .ms-wrap { display: grid; gap: 16px; max-width: 720px; }
  .ms-wrap svg { width: 1em; height: 1em; }
  .ms-loading { padding: 40px; text-align: center; color: var(--soft); font-weight: 700; }
  .ms-tabs { display: flex; gap: 4px; padding: 5px; border-radius: 16px; background: linear-gradient(90deg, #5B2DC9, #A855F7, #C026D3); }
  .ms-tab { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 0; cursor: pointer; background: transparent; color: rgba(255,255,255,.82); font-weight: 800; font-size: 14px; padding: 11px 8px; border-radius: 12px; }
  .ms-tab-ic { display: inline-flex; font-size: 16px; }
  .ms-tab.active { background: #fff; color: var(--purple); }
  .ms-composer { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 16px; display: grid; gap: 12px; box-shadow: var(--shadow); }
  .ms-input-row { display: flex; align-items: center; gap: 10px; background: var(--panel-soft); border: 1px solid var(--line); border-radius: 14px; padding: 6px 6px 6px 6px; }
  .ms-yt-badge { width: 40px; height: 40px; border-radius: 11px; background: var(--red-soft); color: var(--red); display: inline-flex; align-items: center; justify-content: center; font-size: 20px; flex: none; }
  .ms-input { flex: 1; min-width: 0; border: 0; background: transparent; font-size: 15px; color: var(--ink); padding: 8px 6px; outline: none; }
  .ms-level-label { font-size: 13px; font-weight: 800; color: var(--soft); }
  .ms-levels { display: flex; gap: 8px; flex-wrap: wrap; }
  .ms-level { border: 1px solid var(--line); background: var(--panel); color: var(--soft); border-radius: 12px; padding: 10px 14px; font-weight: 800; font-size: 13px; cursor: pointer; }
  .ms-level.active { border-color: var(--purple); background: var(--purple-soft); color: var(--purple); }
  .ms-add-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer; background: #FF0000; color: #fff; border-radius: 14px; padding: 14px; font-weight: 800; font-size: 15px; }
  .ms-add-btn:disabled { opacity: .6; cursor: default; }
  .ms-notice { font-size: 13px; font-weight: 700; color: var(--red); }
  .ms-upload { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1.5px dashed var(--purple); background: var(--purple-soft); color: var(--purple); border-radius: 14px; padding: 16px; font-weight: 800; font-size: 15px; cursor: pointer; }
  .ms-upload:disabled { opacity: .6; cursor: default; }
  .ms-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .ms-item { position: relative; }
  .ms-thumb { position: relative; aspect-ratio: 16 / 10; border-radius: 14px; overflow: hidden; background: var(--purple-soft); display: flex; align-items: center; justify-content: center; cursor: pointer; }
  .ms-thumb img { width: 100%; height: 100%; object-fit: cover; }
  .ms-thumb-ph, .ms-thumb-play { color: #fff; }
  .ms-thumb-play { position: absolute; inset: 0; margin: auto; width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,.42); border-radius: 999px; font-size: 20px; }
  .ms-thumb-lvl { position: absolute; left: 8px; bottom: 8px; font-size: 11px; font-weight: 800; color: #fff; background: rgba(0,0,0,.55); border-radius: 7px; padding: 2px 7px; }
  .ms-del { position: absolute; top: 8px; right: 8px; width: 30px; height: 30px; border: 0; cursor: pointer; border-radius: 999px; background: rgba(255,255,255,.92); color: var(--red); display: inline-flex; align-items: center; justify-content: center; font-size: 15px; box-shadow: 0 2px 8px rgba(0,0,0,.15); }
  .ms-empty { display: grid; justify-items: center; gap: 8px; text-align: center; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 28px 20px; box-shadow: var(--shadow); }
  .ms-empty-ic { width: 54px; height: 54px; border-radius: 16px; background: var(--red-soft); color: var(--red); display: inline-flex; align-items: center; justify-content: center; font-size: 26px; }
  .ms-empty b { font-size: 17px; }
  .ms-empty p { margin: 0; font-size: 13px; color: var(--soft); font-weight: 600; max-width: 360px; }

  /* ── Profile view (business) ────────────────────────────────────────── */
  .pv-wrap { display: grid; gap: 14px; max-width: 640px; }
  .pv-wrap svg { width: 1em; height: 1em; }
  .pv-cover { position: relative; border-radius: 20px; min-height: 150px; display: flex; align-items: flex-start; justify-content: flex-end; padding: 14px; margin-bottom: 44px; }
  .pv-certified { background: #fff; color: var(--purple); font-weight: 800; font-size: 13px; padding: 8px 14px; border-radius: 999px; box-shadow: 0 4px 14px rgba(0,0,0,.12); }
  .pv-cover-cam { width: 34px; height: 34px; border-radius: 999px; border: 0; cursor: pointer; background: rgba(255,255,255,.92); color: var(--purple); display: inline-flex; align-items: center; justify-content: center; font-size: 16px; box-shadow: 0 2px 8px rgba(0,0,0,.15); }
  .pv-cover-avatar { position: absolute; left: 50%; bottom: -40px; transform: translateX(-50%); width: 92px; height: 92px; border-radius: 999px; overflow: hidden; border: 4px solid var(--panel); background: linear-gradient(135deg,#5B2DC9,#C026D3); color: #fff; font-weight: 800; font-size: 26px; display: flex; align-items: center; justify-content: center; }
  .pv-cover-avatar img { width: 100%; height: 100%; object-fit: cover; }
  .pv-avatar-cam { position: absolute; right: -2px; bottom: -2px; width: 28px; height: 28px; border-radius: 999px; border: 2px solid var(--panel); cursor: pointer; background: var(--purple); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; }
  .pv-toast { text-align: center; font-size: 13px; font-weight: 800; color: var(--teal); }
  .pv-headline { display: flex; align-items: center; justify-content: center; gap: 10px; }
  .pv-headline h2 { margin: 0; font-size: 24px; font-weight: 800; }
  .pv-share { width: 36px; height: 36px; border-radius: 999px; border: 0; cursor: pointer; background: var(--purple-soft); color: var(--purple); display: inline-flex; align-items: center; justify-content: center; font-size: 17px; }
  .pv-loc { display: flex; align-items: center; justify-content: center; gap: 6px; color: var(--teal); font-weight: 700; font-size: 14px; }
  .pv-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .pv-stat { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 16px; text-align: center; box-shadow: var(--shadow); }
  .pv-stat b { display: block; font-size: 26px; font-weight: 800; color: var(--purple); }
  .pv-stat span { font-size: 12px; color: var(--soft); font-weight: 700; }
  .pv-info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pv-info { display: flex; align-items: center; gap: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px; box-shadow: var(--shadow); }
  .pv-info-ic { width: 42px; height: 42px; border-radius: 13px; display: inline-flex; align-items: center; justify-content: center; font-size: 19px; flex: none; background: var(--purple-soft); color: var(--purple); }
  .pv-info-ic.teal { background: var(--teal-soft); color: var(--teal); }
  .pv-info-ic.purple { background: var(--purple-soft); color: var(--purple); }
  .pv-info-ic.amber { background: var(--amber-soft); color: var(--amber); }
  .pv-info-label { display: block; font-size: 11px; font-weight: 800; color: var(--soft); text-transform: uppercase; letter-spacing: .04em; }
  .pv-info b { font-size: 17px; font-weight: 800; }
  .pv-tabs { display: flex; align-items: center; justify-content: flex-start; gap: 4px; padding: 5px; border-radius: 999px; background: linear-gradient(90deg, #5B2DC9, #A855F7, #C026D3); }
  .pv-tab { flex: 0 0 auto; min-width: 190px; border: 0; cursor: pointer; background: transparent; color: rgba(255,255,255,.85); font-weight: 800; font-size: 15px; padding: 11px 24px; border-radius: 999px; }
  .pv-tab.active { background: #fff; color: var(--purple); }
  .pv-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
  .pv-card h3 { margin: 0 0 8px; font-size: 20px; font-weight: 800; }
  .pv-about { margin: 0; color: var(--soft); font-weight: 600; line-height: 1.6; }
  .pv-sec-label { margin-top: 18px; margin-bottom: 8px; font-size: 12px; font-weight: 800; color: var(--purple); text-transform: uppercase; letter-spacing: .05em; }
  .pv-lang-list { display: grid; gap: 8px; }
  .pv-lang-row { display: flex; align-items: center; justify-content: space-between; background: var(--purple-soft); border-radius: 12px; padding: 13px 14px; font-weight: 800; }
  .pv-lang-lvl { font-size: 12px; color: var(--purple); background: var(--panel); border-radius: 8px; padding: 3px 9px; }
  .pv-chips { display: flex; flex-wrap: wrap; gap: 8px; }
  .pv-chip { font-weight: 800; font-size: 13px; border-radius: 999px; padding: 8px 13px; background: var(--purple-soft); color: var(--purple); }
  .pv-chip.pink { background: #FCE7F3; color: #BE185D; }
  .pv-social { text-decoration: none; text-transform: capitalize; font-weight: 800; font-size: 13px; border-radius: 999px; padding: 8px 14px; border: 1px solid var(--line); color: var(--ink); background: var(--panel); }
  .pv-social:hover { border-color: var(--purple); color: var(--purple); }
  .pv-review { border-bottom: 1px solid var(--line); padding: 12px 0; }
  .pv-review:last-child { border-bottom: 0; }
  .pv-review-top { display: flex; justify-content: space-between; font-weight: 800; }
  .pv-review-top span { color: var(--soft); font-weight: 700; font-size: 12px; }
  .pv-review p { margin: 6px 0 0; color: var(--soft); font-weight: 600; }
  .pv-empty { text-align: center; padding: 20px; }
  .pv-empty b { font-size: 16px; }
  .pv-empty p { margin: 6px 0 0; color: var(--soft); font-weight: 600; font-size: 13px; }
  .pv-actions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .pv-action { display: grid; justify-items: center; gap: 8px; border: 1px solid var(--line); background: var(--panel); border-radius: 16px; padding: 16px 8px; cursor: pointer; font-weight: 800; font-size: 13px; color: var(--ink); text-align: center; box-shadow: var(--shadow); }
  .pv-action:hover { border-color: rgba(109,63,224,.35); }
  .pv-action-ic { width: 44px; height: 44px; border-radius: 999px; background: var(--purple-soft); color: var(--purple); display: inline-flex; align-items: center; justify-content: center; font-size: 19px; }
  .pv-action-ic.teal { background: var(--teal-soft); color: var(--teal); }
  .pv-account-card { display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:var(--panel);box-shadow:var(--shadow); }
  .pv-account-card h3,.pv-account-card p { margin:0; }
  .pv-account-card p { margin-top:4px;color:var(--soft);font-size:12px;font-weight:650;line-height:1.45; }
  .pv-account-actions { display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end; }
  .pv-account-btn { min-height:42px;padding:10px 16px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--ink);font-weight:850;cursor:pointer;white-space:nowrap; }
  .pv-account-btn:hover { border-color:var(--purple);color:var(--purple); }
  .pv-account-btn.danger { border-color:rgba(217,45,32,.35);background:rgba(217,45,32,.06);color:var(--red); }
  .pv-account-btn.danger:hover { background:var(--red);color:#fff; }
  @media (max-width:700px) { .pv-account-card { align-items:stretch;flex-direction:column; } .pv-account-actions,.pv-account-btn { width:100%; } }
  .learner-home { display:grid;gap:22px;max-width:1180px; }
  .lh-search-row { display:grid;grid-template-columns:minmax(0,1fr) 52px;gap:12px; }
  .lh-search { min-height:52px;display:flex;align-items:center;gap:10px;padding:0 17px;border:1px solid var(--line);border-radius:17px;background:var(--panel);font-size:28px;color:var(--soft);box-shadow:var(--shadow); }
  .lh-search input { width:100%;border:0;outline:0;background:transparent;font:inherit;font-size:15px;color:var(--ink); }
  .lh-filter { display:grid;place-items:center;border-radius:17px;background:linear-gradient(135deg,#5b2dc9,#8b3ff1);color:#fff;text-decoration:none;font-size:24px;box-shadow:0 12px 25px rgba(91,45,201,.22); }
  .lh-primary-tabs,.lh-filter-tabs { display:flex;gap:10px;overflow:auto;padding:1px 1px 3px;scrollbar-width:none; }
  .lh-primary-tabs a,.lh-primary-tabs button,.lh-filter-tabs button { white-space:nowrap;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--soft);font-weight:850;text-decoration:none;padding:11px 20px;cursor:pointer; }
  .lh-primary-tabs a.active,.lh-primary-tabs button.active,.lh-filter-tabs button.active { border-color:transparent;background:linear-gradient(135deg,#5b2dc9,#8b3ff1);color:#fff;box-shadow:0 8px 18px rgba(91,45,201,.2); }
  .lh-section { display:grid;gap:13px; }
  .lh-heading { display:flex;align-items:center;justify-content:space-between;gap:12px; }
  .lh-heading h2 { margin:0;font-size:19px; }
  .lh-heading a { color:var(--purple);font-weight:800;text-decoration:none;font-size:13px; }
  .lh-continue { width:min(100%,520px);display:grid;grid-template-columns:185px minmax(0,1fr);gap:15px;align-items:center;cursor:pointer; }
  .lh-video-thumb { position:relative;aspect-ratio:16/10;border-radius:17px;overflow:hidden;background:linear-gradient(135deg,#eee7ff,#dfd3f7); }
  .lh-video-thumb img { width:100%;height:100%;object-fit:cover; }
  .lh-video-thumb span { position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:20px;text-shadow:0 2px 12px #000; }
  .lh-video-thumb i { position:absolute;left:0;bottom:0;height:4px;background:linear-gradient(90deg,#6d3fe0,#c026d3); }
  .lh-continue h3,.lh-continue p { margin:0; }.lh-continue p { margin-top:6px;color:var(--soft);font-size:13px; }
  .lh-levels { display:flex;gap:10px;overflow:auto;color:var(--purple);font-size:13px; }.lh-levels>* { white-space:nowrap;border:1px solid var(--line);border-radius:999px;background:var(--panel);padding:8px 13px; }
  .lh-event-grid { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px; }
  .lh-event { overflow:hidden;border:1px solid var(--line);border-radius:22px;background:var(--panel);box-shadow:var(--shadow);cursor:pointer; }
  .lh-event-cover { position:relative;aspect-ratio:16/8;display:grid;place-items:center;background:linear-gradient(135deg,#2d184d,#8b3ff1);color:#fff;font-weight:950;letter-spacing:.08em; }
  .lh-event-cover img { width:100%;height:100%;object-fit:cover; }.lh-event-cover b { position:absolute;right:13px;top:13px;padding:5px 10px;border-radius:999px;background:rgba(20,15,30,.7);font-size:11px; }
  .lh-save { position:absolute;left:13px;top:13px;width:36px;height:36px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:var(--purple);font-size:21px;cursor:pointer; }.lh-save.active { background:var(--purple);color:#fff; }
  .lh-event-body { padding:17px; }.lh-event-body h3,.lh-event-body p { margin:0; }.lh-event-body p { margin-top:6px;color:var(--soft);font-size:13px; }
  .lh-event-meta { display:flex;gap:18px;flex-wrap:wrap;margin-top:14px;padding-top:13px;border-top:1px solid var(--line);color:var(--soft);font-size:12px;font-weight:750; }
  .lh-event-foot { display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:13px;font-size:12px;font-weight:800; }.lh-event-foot button { border:0;border-radius:10px;background:var(--purple);color:#fff;padding:8px 12px;font-weight:850;cursor:pointer; }
  .lh-mini-grid { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px; }.lh-mini { display:flex;align-items:center;gap:11px;padding:13px;border:1px solid var(--line);border-radius:15px;background:var(--panel);color:var(--ink);text-decoration:none; }.lh-mini-icon { width:39px;height:39px;display:grid;place-items:center;border-radius:12px;background:var(--purple-soft);color:var(--purple); }.lh-mini span:last-child { display:grid;gap:3px;min-width:0; }.lh-mini b,.lh-mini small { overflow:hidden;text-overflow:ellipsis;white-space:nowrap; }.lh-mini small { color:var(--soft); }.lh-empty,.lh-no-results { padding:26px;border:1px dashed var(--line);border-radius:18px;text-align:center;color:var(--soft);font-weight:750; }
  .lh-filter-panel { display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:13px;border:1px solid var(--line);border-radius:16px;background:var(--panel);box-shadow:var(--shadow); }.lh-filter-panel select { min-height:42px;border:1px solid var(--line);border-radius:11px;background:var(--panel-soft);padding:0 11px;color:var(--ink);font-weight:750; }
  .lh-stats { display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px; }.lh-stats div { display:grid;justify-items:center;gap:3px;padding:14px;border:1px solid var(--line);border-radius:15px;background:var(--panel);box-shadow:var(--shadow); }.lh-stats b { color:var(--purple);font-size:22px; }.lh-stats span { color:var(--soft);font-size:11px;font-weight:800; }
  .lh-next,.lh-live-strip { display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:var(--shadow); }.lh-next>span { width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:var(--purple-soft);color:var(--purple);font-size:22px; }.lh-next div,.lh-live-strip div { flex:1;display:grid;gap:3px; }.lh-next p,.lh-next small,.lh-live-strip small { margin:0;color:var(--soft);font-size:11px;font-weight:800; }.lh-next a,.lh-live-strip a,.lh-course-progress a { border-radius:11px;background:var(--purple);color:#fff;text-decoration:none;padding:10px 14px;font-weight:850; }
  .lh-live-strip { color:#fff;border:0;background:linear-gradient(135deg,#2c0e59,#6d28d9); }.lh-live-strip small { color:#ffacb7; }.lh-live-strip a { background:#ef4444; }
  .lh-course-progress { display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:var(--shadow); }.lh-course-progress div { display:grid;gap:3px; }.lh-course-progress small { color:var(--soft); }.lh-course-progress strong { color:var(--purple); }.lh-course-progress>i { grid-column:1/-1;height:7px;border-radius:999px;background:var(--purple-soft);overflow:hidden; }.lh-course-progress>i span { display:block;height:100%;background:linear-gradient(90deg,#6d3fe0,#c026d3); }.lh-course-progress a { grid-column:1/-1;text-align:center; }
  .lh-mobile-nav { display:none; }
  /* Media layout CSS moved to web/app-media-layout.css. */
  @media (max-width: 560px) { .pv-actions { grid-template-columns: repeat(2, 1fr); } .pv-info-grid { grid-template-columns: 1fr; } .pv-tab { flex: 1 1 0; min-width: 0; padding-inline: 10px; } }
  .pv-dot-list { display: grid; gap: 8px; }
  .pv-dot-row { display: flex; align-items: center; gap: 9px; color: var(--soft); font-weight: 600; }
  .pv-dot { width: 6px; height: 6px; border-radius: 999px; background: var(--purple); flex: none; }

  /* ── Profile edit / verify ──────────────────────────────────────────── */
  .pv-backlink { display: inline-flex; align-items: center; gap: 6px; border: 0; background: transparent; cursor: pointer; color: var(--purple); font-weight: 800; font-size: 14px; padding: 6px 0; }
  .pv-notice { font-size: 13px; font-weight: 700; color: var(--red); }
  .pv-field { display: grid; gap: 6px; }
  .pv-field label { font-size: 12px; font-weight: 800; color: var(--soft); }
  .pv-field input, .pv-field textarea { border: 1px solid var(--line); border-radius: 12px; padding: 11px 13px; font: inherit; color: var(--ink); background: var(--panel-soft); }
  .pv-field textarea { min-height: 84px; resize: vertical; }
  .pv-field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 4px; }
  .pv-toggle-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
  .pv-toggle-chip { border: 1px solid var(--line); background: var(--panel); color: var(--soft); border-radius: 999px; padding: 8px 14px; font-weight: 800; font-size: 13px; cursor: pointer; }
  .pv-toggle-chip.active { border-color: var(--purple); background: var(--purple-soft); color: var(--purple); }
  .pv-chip-editor { display: flex; flex-wrap: wrap; gap: 8px; }
  .pv-chip-edit { display: inline-flex; align-items: center; gap: 6px; background: var(--purple-soft); color: var(--purple); border-radius: 999px; padding: 7px 8px 7px 13px; font-weight: 800; font-size: 13px; }
  .pv-chip-edit button { width: 18px; height: 18px; border: 0; cursor: pointer; background: rgba(90,53,214,.14); color: var(--purple); border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-size: 10px; padding: 0; }
  .pv-chip-add-row { display: flex; gap: 8px; margin-top: 6px; }
  .pv-chip-add-row input { flex: 1; border: 1px solid var(--line); border-radius: 12px; padding: 10px 13px; font: inherit; background: var(--panel-soft); }
  .pv-chip-add-btn { width: 40px; border: 0; cursor: pointer; border-radius: 12px; background: var(--purple); color: #fff; font-weight: 800; font-size: 18px; }
  .pv-edit-actions { display: flex; gap: 12px; margin-top: 6px; }
  .pv-btn-outline, .pv-btn-solid { flex: 1; border-radius: 14px; padding: 13px; font-weight: 800; font-size: 15px; cursor: pointer; text-align: center; }
  .pv-btn-outline { border: 1.5px solid var(--purple); background: var(--panel); color: var(--purple); }
  .pv-btn-solid { border: 0; background: var(--purple); color: #fff; }
  .pv-btn-solid:disabled { opacity: .6; cursor: default; }
  .pv-card > .pv-sec-label:first-of-type { margin-top: 4px; }
  .pv-card .pv-field + .pv-sec-label, .pv-card .pv-field-grid + .pv-sec-label, .pv-card .pv-toggle-chips + .pv-sec-label, .pv-card .pv-chip-add-row + .pv-sec-label { margin-top: 18px; }
  @media (max-width: 560px) { .pv-field-grid { grid-template-columns: 1fr; } }
  .business-desk {
    padding: 18px;
    display: grid;
    gap: 16px;
    border: 1px solid rgba(90, 53, 214, .16);
    border-radius: 14px;
    box-shadow: var(--shadow);
    background:
      linear-gradient(135deg, rgba(90, 53, 214, .08), rgba(255, 255, 255, .90) 46%),
      radial-gradient(circle at 92% 12%, rgba(183, 121, 31, .14), transparent 34%),
      var(--panel);
  }
  .business-desk-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
  }
  .business-desk h2 {
    margin: 0;
    font-size: clamp(18px, 2vw, 22px);
    font-weight: 760;
    line-height: 1.2;
  }
  .business-desk p {
    margin: 6px 0 0;
    color: var(--soft);
    font-weight: 550;
    line-height: 1.5;
  }
  .business-action-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }
  .business-action {
    min-height: 116px;
    padding: 14px;
    display: grid;
    align-content: space-between;
    gap: 12px;
    text-decoration: none;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel);
    transition: transform .15s ease, border-color .15s ease, background .15s ease;
  }
  .business-action:hover {
    transform: translateY(-1px);
    border-color: rgba(90, 53, 214, .28);
    background: var(--panel-soft);
  }
  .business-action b {
    display: block;
    font-size: 14px;
    font-weight: 750;
    line-height: 1.25;
  }
  .business-action span {
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 550;
    line-height: 1.45;
  }
  .business-pipeline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 14px 0;
  }
  .business-step {
    padding: 13px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel-soft);
  }
  .business-step b {
    display: block;
    font-size: 13.5px;
    font-weight: 750;
  }
  .business-step p {
    margin: 4px 0 0;
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 520;
    line-height: 1.45;
  }
  .notes-page { display: grid; gap: 18px; }
  .note-form { border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(145deg,#fff,#fbf8ff); padding: 18px; box-shadow: var(--shadow); display: grid; gap: 14px; }
  .note-form-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
  .note-form-head h2 { margin: 0 0 4px; font-size: 22px; }
  .note-form-head p { margin: 0; color: var(--soft); font-weight: 700; }
  .note-form-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
  .note-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
  .note-card { border: 1px solid var(--line); border-radius: 18px; background: #fff; padding: 15px; box-shadow: 0 10px 24px rgba(32,22,64,.05); display: grid; gap: 10px; }
  .note-card-top { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
  .note-card-top small { color: var(--muted); font-size: 11px; font-weight: 800; }
  .note-card h3 { margin: 0; font-size: 17px; }
  .note-card.pinned { border-color: #cdbbff; background: linear-gradient(145deg,#fff,#f7f2ff); }
  .note-meta { display: flex; gap: 7px; flex-wrap: wrap; }
  .note-meta span { border: 1px solid var(--line); border-radius: 999px; padding: 4px 7px; color: var(--soft); font-size: 10px; font-weight: 850; background: #fff; }
  .note-card p { margin: 0; color: var(--soft); line-height: 1.45; white-space: pre-wrap; }
  .note-actions { display: flex; gap: 8px; }
  .note-actions button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 7px 10px; font: inherit; font-size: 12px; font-weight: 850; color: var(--soft); cursor: pointer; }
  .note-actions button:first-child { border-color: var(--purple); color: var(--purple); background: var(--purple-soft); }
  .note-empty { padding: 26px; }
  .note-toolbar { display: grid; gap: 10px; margin: 0 0 12px; }
  .note-toolbar input { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 12px 13px; font: inherit; }
  .note-toolbar div { display: flex; gap: 7px; flex-wrap: wrap; }
  .note-toolbar button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 11px; font: inherit; font-size: 12px; font-weight: 850; color: var(--soft); cursor: pointer; }
  .note-toolbar button.active { border-color: var(--purple); background: var(--purple-soft); color: var(--purple); }
  .note-pin-check { display: inline-flex; align-items: center; gap: 8px; color: var(--soft); font-weight: 850; }
  .note-pin-check input { width: 17px; height: 17px; accent-color: var(--purple); }
  .note-side-card { border: 1px solid var(--line); border-radius: 18px; background: #fff; padding: 14px; display: grid; gap: 10px; box-shadow: var(--shadow); }
  .note-mini-stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin-top: 14px; }
  .note-mini-stats div { border: 1px solid var(--line); border-radius: 16px; background: #fff; padding: 14px; }
  .note-mini-stats b { display: block; font-size: 26px; color: var(--purple); }
  .note-mini-stats span { color: var(--soft); font-size: 12px; font-weight: 800; }
  .tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
  }
  .tabs button {
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: 999px;
    padding: 7px 13px;
    cursor: pointer;
    color: var(--soft);
    font-weight: 600;
    font-size: 13px;
    transition: background .15s ease, color .15s ease;
  }
  .tabs button.active {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
    font-weight: 650;
  }
  .video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
  }
  .video-card {
    overflow: hidden;
    transition: transform .15s ease;
  }
  .video-thumb {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #CFE7FF, #F5E1FF);
    display: grid;
    place-items: center;
    color: rgba(21,18,29,.7);
    font-weight: 650;
    position: relative;
  }
  .video-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .video-pad {
    padding: 12px 13px;
  }
  .video-pad h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 650;
    line-height: 1.35;
  }
  .video-pad p {
    margin: 4px 0 10px;
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 500;
  }
  .empty {
    padding: 24px;
    color: var(--soft);
    text-align: center;
    font-weight: 600;
    font-size: 13px;
  }
  .hub-hero {
    padding: 18px;
    display: grid;
    gap: 16px;
    border-color: rgba(15, 159, 122, .18);
    background:
      linear-gradient(135deg, rgba(15, 159, 122, .10), rgba(255, 255, 255, .88) 44%),
      radial-gradient(circle at 92% 14%, rgba(37, 99, 235, .13), transparent 34%),
      var(--panel);
  }
  .hub-hero-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
  }
  .hub-hero h2 {
    margin: 0;
    font-size: clamp(18px, 2vw, 22px);
    font-weight: 750;
    line-height: 1.2;
  }
  .hub-hero p {
    margin: 6px 0 0;
    color: var(--soft);
    max-width: 620px;
    font-weight: 550;
    line-height: 1.5;
  }
  .hub-pill-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
  }
  .hub-quick-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }
  .hub-quick-card {
    min-height: 112px;
    padding: 14px;
    display: grid;
    align-content: space-between;
    gap: 12px;
    text-decoration: none;
    transition: transform .15s ease, border-color .15s ease, background .15s ease;
  }
  .hub-quick-card:hover {
    transform: translateY(-1px);
    border-color: rgba(15, 159, 122, .34);
    background: var(--panel-soft);
  }
  .hub-quick-card b {
    display: block;
    font-size: 14px;
    font-weight: 750;
    line-height: 1.25;
  }
  .hub-quick-card span {
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 550;
    line-height: 1.45;
  }
  .hub-quick-icon {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--teal-soft);
    color: var(--teal);
    font-weight: 850;
  }
  .hub-focus-card {
    padding: 14px;
    display: grid;
    gap: 12px;
  }
  .hub-focus-row {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    padding: 10px 0;
    border-top: 1px solid var(--line);
  }
  .hub-focus-row:first-child { border-top: 0; padding-top: 0; }
  .hub-focus-row .n {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--blue-soft);
    color: var(--blue);
    font-size: 12px;
    font-weight: 850;
  }
  .hub-focus-row b {
    display: block;
    font-size: 13.5px;
    font-weight: 750;
  }
  .hub-focus-row p {
    margin: 3px 0 0;
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 520;
    line-height: 1.45;
  }
  .hub-note-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
  }
  .live-host-panel { margin-bottom: 12px; }
  .live-empty-state {
    padding: 22px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    border-color: rgba(113, 70, 255, .18);
    background: linear-gradient(135deg, rgba(113, 70, 255, .08), rgba(255, 255, 255, .74));
  }
  .live-empty-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    color: var(--accent);
    border-radius: 15px;
    background: rgba(113, 70, 255, .12);
  }
  .live-empty-icon svg { width: 25px; height: 25px; }
  .live-empty-copy h3 { margin: 0; font-size: 16px; font-weight: 750; line-height: 1.3; }
  .live-empty-copy p { margin: 5px 0 0; color: var(--soft); font-size: 13px; font-weight: 500; line-height: 1.5; }
  .live-empty-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
  .live-host-card {
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
  }
  .live-host-card h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.3;
  }
  .live-host-card p {
    margin: 4px 0 0;
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 500;
  }
  .live-studio-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .live-studio-card {
    padding: 14px;
    display: grid;
    gap: 12px;
  }
  .live-studio-card h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.3;
  }
  .live-studio-card p {
    margin: 4px 0 0;
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 500;
  }
  .live-studio-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  .live-studio-metric {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 11px;
    background: var(--panel-soft);
  }
  .live-studio-metric span {
    display: block;
    color: var(--soft);
    font-size: 10.5px;
    font-weight: 650;
    letter-spacing: .02em;
    margin-bottom: 4px;
  }
  .live-studio-metric b {
    display: block;
    font-size: 13.5px;
    font-weight: 650;
    line-height: 1.3;
  }
  .live-studio-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
  }
  .live-studio-steps {
    display: grid;
    gap: 8px;
  }
  .live-studio-step {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 11px;
    background: var(--panel-soft);
  }
  .live-studio-step b {
    display: block;
    font-size: 13px;
    font-weight: 650;
    margin-bottom: 3px;
  }
  .live-studio-step span {
    display: block;
    color: var(--soft);
    font-size: 12px;
    line-height: 1.5;
    font-weight: 500;
  }
  .live-panel-sections {
    display: grid;
    gap: 12px;
  }
  .live-panel-block {
    display: grid;
    gap: 10px;
  }
  .profile-box {
    padding: 18px;
    display: grid;
    gap: 14px;
  }
  .profile-head {
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .profile-head .avatar {
    width: 60px;
    height: 60px;
    font-size: 22px;
  }
  .profile-avatar-tools {
    display: grid;
    gap: 8px;
  }
  .profile-head h2 { margin: 0; font-size: 17px; font-weight: 700; }
  .profile-head p { margin: 4px 0 0; color: var(--soft); font-size: 12.5px; font-weight: 500; }
  .profile-intro {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
  }
  .profile-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: 999px;
    background: var(--panel-soft);
    border: 1px solid var(--line);
    color: var(--purple);
    font-size: 11.5px;
    font-weight: 750;
    letter-spacing: .03em;
    text-transform: uppercase;
  }
  .profile-section {
    display: grid;
    gap: 12px;
    padding-top: 4px;
  }
  .profile-section + .profile-section {
    border-top: 1px solid var(--line);
    padding-top: 18px;
  }
  .profile-section-title {
    display: grid;
    gap: 4px;
  }
  .profile-section-title h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
  }
  .profile-section-title p {
    margin: 0;
    color: var(--soft);
    font-size: 12.5px;
    font-weight: 500;
    line-height: 1.5;
  }
  .form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .field {
    display: grid;
    gap: 6px;
  }
  .field label {
    color: var(--soft);
    font-weight: 650;
    font-size: 11.5px;
    letter-spacing: .02em;
  }
  .field input, .field textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel-soft);
    color: var(--ink);
    padding: 10px 12px;
    min-height: 40px;
    font-size: 13.5px;
  }
  .field input[readonly] {
    color: var(--soft);
    background: #F7F5FC;
  }
  .field textarea { resize: vertical; min-height: 92px; }
  .profile-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    padding-top: 4px;
  }
  .profile-status {
    color: var(--teal);
    font-weight: 900;
    font-size: 12.5px;
  }
  .danger-zone {
    display: grid;
    gap: 10px;
    padding: 14px;
    border: 1px solid rgba(217,45,32,.18);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(217,45,32,.05), rgba(217,45,32,.02));
  }
  .danger-zone h3 {
    margin: 0;
    color: var(--red);
    font-size: 15px;
    font-weight: 800;
  }
  .danger-zone p {
    margin: 0;
    color: var(--soft);
    font-size: 12.5px;
    line-height: 1.5;
    font-weight: 500;
  }
  .loading {
    min-height: 100vh;
    display: grid;
    place-items: center;
    color: var(--soft);
    font-weight: 650;
    font-size: 14px;
  }
  @media (max-width: 980px) {
    .app { grid-template-columns: 1fr; }
    .sidebar {
      position: static;
      height: auto;
      border-right: 0;
      border-bottom: 1px solid var(--line);
    }
    .nav {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    .nav button {
      justify-content: center;
      padding: 10px 8px;
    }
    .nav button span:last-child { display: none; }
    .side-foot { display: none; }
    .main { padding: 18px 16px 28px; }
    .grid-3, .grid-2, .form-grid, .hub-quick-grid, .business-action-grid, .business-pipeline, .note-grid { grid-template-columns: 1fr; }
    .note-form-head { flex-direction: column; }
    .hub-hero-top, .business-desk-top { flex-direction: column; }
  }
  @media (max-width: 620px) {
    .topbar { align-items: flex-start; flex-direction: column; }
    .mode-chip { margin-left: 0; }
    .user-chip { width: 100%; }
    .user-chip b, .user-chip span { max-width: calc(100vw - 120px); }
    .nav { grid-template-columns: repeat(4, 1fr); }
    .live-host-card { align-items: stretch; flex-direction: column; }
    .live-empty-state { grid-template-columns: auto minmax(0, 1fr); }
    .live-empty-actions { grid-column: 1 / -1; justify-content: flex-start; }
    .live-studio-grid { grid-template-columns: 1fr; }
    .live-studio-metrics { grid-template-columns: 1fr; }
    .row { grid-template-columns: 52px minmax(0, 1fr); }
    .row .btn, .row .tag:last-child { grid-column: 2; justify-self: start; }
    .thumb { width: 52px; height: 44px; }
    .btn { min-height: 42px; }
    .bell-btn { width: 42px; height: 42px; }
    .overlay { align-items: stretch; padding: 10px; }
    .overlay-card { width: 100% !important; max-height: calc(100dvh - 20px); border-radius: 14px; }
    .overlay-body { padding: 12px; }
  }
  .msg-wrap { display: grid; grid-template-columns: minmax(240px, 340px) minmax(0, 1fr); gap: 14px; align-items: start; }
  .msg-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
  .msg-search { order: 2; flex: 0 0 100%; min-width: 0; display: flex; align-items: center; gap: 9px; background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 0 16px; box-shadow: var(--shadow); }
  .msg-search svg { width: 18px; height: 18px; color: var(--muted); flex: none; }
  .msg-search input { flex: 1; min-width: 0; border: 0; background: transparent; outline: none; padding: 13px 0; font-size: 14px; color: var(--ink); }
  .msg-search input::-webkit-search-cancel-button { cursor: pointer; }
  .msg-newchat { order: 1; display: inline-flex; align-items: center; gap: 7px; border: 0; cursor: pointer; background: var(--purple); color: #fff; border-radius: 999px; padding: 13px 18px; font-weight: 800; font-size: 13.5px; white-space: nowrap; box-shadow: 0 8px 20px rgba(90,53,214,.28); }
  .msg-newchat svg { width: 16px; height: 16px; }
  .msg-filter { order: 1; border: 1px solid var(--line); background: var(--panel); color: var(--soft); border-radius: 999px; padding: 12px 14px; cursor: pointer; font-weight: 750; white-space: nowrap; }
  .msg-filter.active { color: var(--purple); background: var(--purple-soft); border-color: var(--purple); }
  .msg-empty { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 28px 20px; text-align: center; box-shadow: var(--shadow); }
  .msg-empty b { font-size: 15px; }
  .msg-empty p { margin: 6px 0 0; color: var(--soft); font-size: 13px; font-weight: 600; }
  .conv { display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 12px 14px; cursor: pointer; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); box-shadow: var(--shadow); transition: border-color .15s ease, background .15s ease; }
  .conv:hover { border-color: rgba(109,63,224,.4); }
  .conv.active { background: var(--purple-soft); border-color: var(--purple); }
  .conv .avatar { width: 48px; height: 48px; background: linear-gradient(135deg,#5B2DC9,#C026D3); color: #fff; font-weight: 800; font-size: 15px; }
  .conv-main { min-width: 0; }
  .conv h3 { margin: 0; font-size: 14.5px; font-weight: 800; line-height: 1.25; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .conv p { margin: 4px 0 0; color: var(--soft); font-size: 12.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .conv-meta { display: grid; justify-items: end; gap: 6px; }
  .conv-delete, .message-delete { border: 0; background: transparent; color: var(--muted); cursor: pointer; display: grid; place-items: center; border-radius: 8px; transition: color .15s ease, background .15s ease; }
  .conv-delete { width: 28px; height: 28px; margin: -4px -6px -4px 0; }
  .conv-delete:hover, .message-delete:hover { color: #dc2626; background: rgba(220,38,38,.09); }
  .conv-delete svg, .message-delete svg { width: 16px; height: 16px; }
  .conv-actions { position: relative; }
  .conv-actions summary { list-style: none; cursor: pointer; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; color: var(--muted); font-size: 20px; }
  .conv-actions summary::-webkit-details-marker { display: none; }
  .conv-menu, .bubble-menu { position: absolute; z-index: 12; min-width: 180px; padding: 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 30px rgba(20,14,40,.16); }
  .conv-menu { right: 0; top: 30px; }
  .conv-menu button, .bubble-menu button { width: 100%; border: 0; background: transparent; color: var(--ink); text-align: left; padding: 9px 10px; border-radius: 8px; cursor: pointer; font-size: 12.5px; font-weight: 650; }
  .conv-menu button:hover, .bubble-menu button:hover { background: var(--purple-soft); }
  .conv-menu .danger, .bubble-menu .danger { color: #dc2626; }
  .conv-pin { color: var(--purple); }
  .conv-time { font-size: 11px; font-weight: 700; color: var(--muted); white-space: nowrap; }
  .conv .unread { min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--purple); color: #fff; font-size: 11px; font-weight: 800; display: grid; place-items: center; }
  .thread-col { display: flex; flex-direction: column; min-height: 480px; max-height: 74vh; }
  .thread-head { padding: 13px 16px; border-bottom: 1px solid var(--line); font-weight: 700; font-size: 14px; display: flex; align-items: center; gap: 10px; }
  .thread-heading { min-width: 0; display: grid; gap: 1px; }
  .thread-typing { min-height: 13px; color: var(--purple); font-size: 10.5px; }
  .thread-tools { margin-left: auto; display: flex; gap: 4px; }
  .thread-tools button { border: 0; background: transparent; cursor: pointer; color: var(--soft); padding: 7px; border-radius: 8px; }
  .thread-tools button:hover { background: var(--purple-soft); color: var(--purple); }
  .thread-back { display: none; border: 0; background: transparent; cursor: pointer; color: var(--purple); font-weight: 700; }
  .thread-body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 8px; }
  .bubble { position: relative; max-width: 74%; padding: 9px 13px; border-radius: 16px; font-weight: 450; font-size: 13.5px; line-height: 1.45; word-break: break-word; }
  .bubble { padding-right: 36px; }
  .message-more { position: absolute; top: 4px; right: 6px; width: 24px; height: 24px; border: 0; border-radius: 7px; background: transparent; color: rgba(255,255,255,.75); cursor: pointer; font-size: 18px; }
  .message-more:hover { color: #fff; background: rgba(255,255,255,.18); }
  .bubble.them .message-more { color: var(--muted); }
  .bubble.them .message-more:hover { color: var(--purple); background: var(--purple-soft); }
  .bubble-menu { display: none; right: 5px; top: 30px; }
  .bubble.menu-open { z-index: 10; }
  .bubble.menu-open .bubble-menu { display: block; }
  .bubble-text { white-space: pre-wrap; }
  .bubble-meta { display: flex; justify-content: flex-end; gap: 5px; margin-top: 3px; font-size: 9.5px; opacity: .72; font-weight: 600; }
  .bubble-quote { border-left: 3px solid currentColor; padding: 3px 7px; margin-bottom: 5px; opacity: .72; font-size: 11px; }
  .bubble-reactions { display: flex; gap: 3px; position: absolute; bottom: -13px; right: 8px; }
  .bubble-reactions button { border: 1px solid var(--line); border-radius: 999px; background: var(--panel); cursor: pointer; font-size: 11px; }
  .date-divider { align-self: center; position: sticky; top: 0; z-index: 2; background: var(--panel); border: 1px solid var(--line); color: var(--soft); border-radius: 999px; padding: 4px 9px; font-size: 10.5px; }
  .reply-preview { display: none; padding: 7px 14px; border-top: 1px solid var(--line); color: var(--soft); font-size: 12px; justify-content: space-between; }
  .reply-preview.open { display: flex; }
  .bubble.me { align-self: flex-end; background: var(--purple); color: #fff; border-bottom-right-radius: 4px; }
  .bubble.them { align-self: flex-start; background: var(--panel-soft); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
  .thread-compose { display: flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--line); }
  .thread-compose input { flex: 1; border: 1px solid var(--line); border-radius: 999px; padding: 10px 14px; background: var(--panel-soft); font-size: 13.5px; }
  .overlay { position: fixed; inset: 0; background: rgba(20, 14, 40, .48); display: none; place-items: center; z-index: 50; padding: 20px; backdrop-filter: blur(2px); }
  .overlay.open { display: grid; }
  .overlay-card { background: var(--panel); border-radius: 16px; width: min(460px, 100%); max-height: 80vh; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 24px 64px rgba(20,14,40,.22); }
  .overlay-head { padding: 15px 16px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
  .overlay-head h2 { margin: 0; font-size: 16px; font-weight: 700; }
  .overlay-head button { border: 0; background: transparent; font-size: 18px; cursor: pointer; color: var(--soft); }
  .overlay-body { padding: 14px 16px; overflow-y: auto; }
  .overlay-body .search { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: var(--panel-soft); margin-bottom: 10px; font-size: 13.5px; }
  .picker { display: grid; gap: 6px; }
  .video-card { cursor: pointer; }
  .row[data-course] { cursor: pointer; }
  .video-thumb .play-badge { position: absolute; width: 44px; height: 44px; border-radius: 50%; background: rgba(21,18,29,.5); display: grid; place-items: center; color: #fff; z-index: 1; }
  .prog-row { margin-bottom: 12px; }
  .prog-row .prog-label { display: flex; justify-content: space-between; font-weight: 650; font-size: 12.5px; margin-bottom: 5px; }
  .prog-row .prog-label span:last-child { color: var(--purple); }
  .prog-bar { height: 8px; border-radius: 999px; background: var(--panel-soft); border: 1px solid var(--line); overflow: hidden; }
  .prog-bar i { display: block; height: 100%; background: var(--purple); border-radius: 999px; }
  .rank-row { display: grid; grid-template-columns: 26px 34px minmax(0,1fr) auto; gap: 10px; align-items: center; padding: 8px 4px; border-top: 1px solid var(--line); }
  .rank-row .rank-num { font-weight: 700; color: var(--muted); text-align: center; font-size: 13px; }
  .rank-row.me { background: var(--purple-soft); border-radius: 10px; }
  .lesson-item { display: grid; grid-template-columns: 26px minmax(0,1fr); gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); }
  .lesson-item b { font-size: 13.5px; font-weight: 650; }
  .lesson-item p { margin: 3px 0 0; color: var(--soft); font-size: 12.5px; font-weight: 500; }
  .lesson-item .n { width: 26px; height: 26px; border-radius: 50%; background: var(--purple-soft); color: var(--purple); font-weight: 700; display: grid; place-items: center; font-size: 12px; }
  .chessboard { display: grid; grid-template-columns: repeat(8, 1fr); width: min(400px, 82vw); aspect-ratio: 1; border: 2px solid var(--ink); border-radius: 8px; overflow: hidden; margin: 0 auto; user-select: none; }
  .csq { display: grid; place-items: center; font-size: clamp(20px, 8vw, 34px); line-height: 1; cursor: pointer; position: relative; }
  .csq.light { background: #EEE4CF; }
  .csq.dark { background: #B48A64; }
  .csq.sel { box-shadow: inset 0 0 0 3px var(--purple); }
  .csq.tgt::after { content: ''; position: absolute; width: 28%; height: 28%; border-radius: 50%; background: rgba(104,63,220,.55); }
  .csq .pc { color: #111; text-shadow: 0 1px 0 rgba(255,255,255,.5); }
  .csq .pc.b { color: #111; }
  .csq .pc.w { color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.6); }
  .duel-bars { display: grid; gap: 10px; margin: 10px 0; }
  .duel-timer { font-size: 30px; font-weight: 900; text-align: center; color: var(--purple); }
  .bell-btn { position: relative; border: 1px solid var(--line); background: var(--panel); border-radius: 999px; width: 38px; height: 38px; display: grid; place-items: center; cursor: pointer; color: var(--soft); flex: 0 0 auto; transition: background .15s ease, color .15s ease; }
  .bell-btn:hover { background: var(--panel-soft); color: var(--ink); }
  .bell-btn svg { width: 18px; height: 18px; }
  .bell-dot { position: absolute; top: 5px; right: 6px; min-width: 15px; height: 15px; padding: 0 4px; border-radius: 999px; background: var(--red); color: #fff; font-size: 9.5px; font-weight: 700; display: grid; place-items: center; }
  .notif-item { display: grid; grid-template-columns: 8px minmax(0,1fr); gap: 10px; padding: 11px 8px; border-top: 1px solid var(--line); align-items: start; }
  .notif-item .ndot { width: 7px; height: 7px; border-radius: 50%; background: transparent; margin-top: 6px; }
  .notif-item.is-unread .ndot { background: var(--purple); }
  .notif-item b { font-size: 13.5px; font-weight: 650; }
  .notif-item p { margin: 3px 0 0; color: var(--soft); font-size: 12.5px; font-weight: 500; }
  .notif-item time { color: var(--muted); font-size: 11px; font-weight: 600; }
  .prac-card { padding: 14px; cursor: pointer; transition: background .15s ease; }
  .prac-card:hover { background: var(--panel-soft); }
  .prac-card h3 { margin: 0; font-size: 14px; font-weight: 650; }
  .prac-card p { margin: 4px 0 0; color: var(--soft); font-size: 12.5px; font-weight: 500; }
  .prac-meta { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; align-items: center; }
  .stars { display: inline-flex; gap: 2px; }
  .stars .st { cursor: pointer; font-size: 19px; color: var(--line); line-height: 1; }
  .stars .st.on { color: var(--amber); }
  .opt-btn { display: block; width: 100%; text-align: left; border: 1px solid var(--line); background: var(--panel); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px; cursor: pointer; font-weight: 600; font-size: 13.5px; transition: background .15s ease; }
  .opt-btn:hover { background: var(--panel-soft); }
  .opt-btn.correct { background: var(--teal-soft); border-color: var(--teal); color: var(--teal); }
  .opt-btn.wrong { background: var(--red-soft); border-color: var(--red); color: var(--red); }
  .slot-chip { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 10px 16px; font-weight: 800; font-size: 13px; cursor: pointer; color: var(--ink); }
  .slot-chip:hover { border-color: var(--purple); background: var(--purple-soft); color: var(--purple); }
  @media (max-width: 760px) {
    .msg-wrap { grid-template-columns: 1fr; }
    .msg-toolbar { flex-wrap: wrap; }
    .msg-search { flex-basis: 100%; order: 2; }
    .msg-filter, .msg-newchat { flex: 1; justify-content: center; }
    .thread-col { display: none; }
    .msg-wrap.thread-open .msg-list-col { display: none; }
    .msg-wrap.thread-open .thread-col { display: flex; min-height: calc(100dvh - 150px); max-height: calc(100dvh - 110px); }
    .thread-back { display: inline-block; }
    .thread-body { padding: 12px 9px; }
    .bubble { max-width: 88%; }
    .thread-compose { padding: 9px; position: sticky; bottom: 0; background: var(--panel); }
  }

  .teacher-duel-shell {
    position: relative;
    overflow: hidden;
    padding: clamp(20px, 3vw, 34px);
    border: 1px solid rgba(136, 102, 230, .28);
    border-radius: 30px;
    background:
      radial-gradient(circle at 16% 12%, rgba(133, 64, 236, .42), transparent 34%),
      radial-gradient(circle at 90% 70%, rgba(30, 190, 220, .28), transparent 34%),
      linear-gradient(145deg, #120822 0%, #161024 46%, #071923 100%);
    color: #fff;
    box-shadow: 0 28px 80px rgba(24, 12, 52, .22);
  }
  .teacher-duel-shell::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
      linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(135deg, #000, transparent 72%);
  }
  .teacher-duel-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, .72fr);
    gap: clamp(18px, 3vw, 34px);
    align-items: center;
  }
  .teacher-duel-copy { display: grid; gap: 16px; max-width: 720px; }
  .teacher-duel-eyebrow {
    width: max-content;
    max-width: 100%;
    padding: 12px 20px;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 999px;
    background: rgba(255,255,255,.1);
    color: #f8d778;
    font-size: clamp(15px, 1.4vw, 18px);
    font-weight: 950;
    letter-spacing: .24em;
  }
  .teacher-duel-copy h2 {
    margin: 0;
    font-size: clamp(38px, 6vw, 78px);
    line-height: .92;
    letter-spacing: -.06em;
  }
  .teacher-duel-copy p {
    max-width: 680px;
    margin: 0;
    color: #d8cfe5;
    font-size: clamp(15px, 1.4vw, 19px);
    font-weight: 700;
    line-height: 1.55;
  }
  .teacher-duel-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
  .teacher-duel-actions .btn {
    min-height: 50px;
    padding: 0 20px;
    border-color: rgba(255,255,255,.18);
    background: rgba(255,255,255,.1);
    color: #fff;
    font-weight: 900;
    box-shadow: none;
  }
  .teacher-duel-actions .btn.primary {
    border: 0;
    background: linear-gradient(100deg, #7845f1, #d63bd8);
    box-shadow: 0 14px 34px rgba(139, 66, 230, .36);
  }
  /* Learner join-by-code strip + the play surface it swaps in. */
  .duel-join { display: grid; gap: 8px; margin-top: 18px; max-width: 620px; }
  .duel-join label { color: #b9aecd; font-size: 13px; font-weight: 800; }
  .duel-join-row { display: flex; gap: 10px; flex-wrap: wrap; }
  .duel-join-row input {
    flex: 1 1 150px;
    min-width: 0;
    min-height: 48px;
    padding: 0 14px;
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 14px;
    background: rgba(8,5,22,.55);
    color: #fff;
    font-weight: 800;
  }
  .duel-join-row #duelJoinCode { letter-spacing: .14em; text-transform: uppercase; }
  .duel-join-row input::placeholder { color: rgba(255,255,255,.38); }
  .duel-join-row .btn { min-height: 48px; padding: 0 22px; }
  .duel-join-status { margin: 0; min-height: 18px; color: #b9aecd; font-size: 13px; font-weight: 700; }
  .duel-join-status.bad { color: #ff9d9d; }
  .duel-play-card {
    margin-top: 18px;
    padding: clamp(16px, 2.4vw, 26px);
    border: 1px solid rgba(197,99,234,.28);
    border-radius: 24px;
    background: linear-gradient(135deg, #1a1636 0%, #251b46 55%, #2b1e4c 100%);
    color: #fff;
    box-shadow: 0 24px 60px rgba(0,0,0,.34);
  }
  .duel-play-head {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255,255,255,.12);
  }
  .duel-play-head > div { display: grid; }
  .duel-play-head small { color: #b9aecd; font-size: 10px; font-weight: 900; letter-spacing: .2em; }
  .duel-play-head strong { font-size: 18px; font-weight: 950; letter-spacing: .04em; }
  .duel-play-head .btn { margin-left: auto; min-height: 40px; padding: 0 16px; }
  .duel-play-body { display: grid; gap: 14px; padding-top: 16px; }
  .duel-play-count { color: #b9aecd; font-size: 11px; font-weight: 900; letter-spacing: .18em; }
  .duel-play-count-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
  .duel-play-timer { display: grid; place-items: center; width: 42px; height: 42px; border: 2px solid #9b6cf0; border-radius: 50%; color: #fff; font-size: 16px; font-weight: 950; }
  .duel-play-timer.urgent { border-color: #e21f53; color: #ff9d9d; }
  .duel-play-body h3 { margin: 0; font-size: clamp(20px, 2.6vw, 30px); line-height: 1.2; }
  .duel-play-options { display: grid; gap: 10px; }
  .duel-play-options button {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 56px;
    padding: 10px 16px;
    border: 1px solid rgba(197,99,234,.28);
    border-radius: 18px;
    background: rgba(8,5,22,.42);
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    text-align: left;
    cursor: pointer;
  }
  .duel-play-options button span {
    display: grid;
    place-items: center;
    flex: 0 0 40px;
    height: 40px;
    border-radius: 14px;
    background: linear-gradient(145deg, #7d45ea 0%, #b542dd 100%);
    font-weight: 950;
  }
  .duel-play-options button:disabled { cursor: default; opacity: .82; }
  .duel-play-options button.chosen { border-color: rgba(255,255,255,.5); }
  .duel-play-options button.correct { border-color: #25b296; background: rgba(37,178,150,.22); opacity: 1; }
  .duel-play-options button.wrong { border-color: #d64545; background: rgba(214,69,69,.2); }
  .duel-play-note { margin: 0; color: #b9aecd; font-size: 13px; font-weight: 700; }
  .duel-play-board { display: grid; gap: 6px; margin: 4px 0 0; padding: 0; list-style: none; }
  .duel-play-board li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 12px;
    background: rgba(255,255,255,.06);
    font-weight: 800;
  }
  .duel-play-board li.me { background: rgba(197,99,234,.22); }
  .duel-play-board li b { color: #b9aecd; font-size: 12px; }
  .duel-play-board li span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .duel-play-board li em { font-style: normal; font-weight: 950; }
  .duel-app-handoff {
    display: grid;
    gap: 10px;
    margin: 0 0 18px;
    padding: 18px;
    border: 1px solid rgba(197,99,234,.35);
    border-radius: 20px;
    background: linear-gradient(135deg, #2b1e4c 0%, #1a1636 100%);
    color: #fff;
  }
  .duel-app-handoff strong { font-size: 18px; line-height: 1.25; }
  .duel-app-handoff p { margin: 4px 0 0; color: #d8cfe5; font-size: 14px; line-height: 1.35; }
  .duel-app-handoff small { color: #b9aecd; font-size: 12px; line-height: 1.4; }
  .duel-app-handoff-lede { display: flex; align-items: center; gap: 12px; }
  .duel-app-handoff-icon {
    flex: 0 0 56px;
    width: 56px; height: 56px;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 6px 18px rgba(0,0,0,.3);
  }
  .duel-app-handoff-row { display: flex; gap: 10px; flex-wrap: wrap; }
  .duel-app-handoff .btn { min-height: 48px; padding: 0 22px; }
  .duel-app-handoff .btn.primary {
    border: 0;
    background: linear-gradient(100deg, #7845f1, #d63bd8);
    color: #fff;
    box-shadow: 0 14px 34px rgba(139, 66, 230, .36);
  }
  .teacher-duel-preview {
    justify-self: center;
    width: min(100%, 330px);
    aspect-ratio: 9 / 16;
    display: grid;
    align-content: start;
    gap: 13px;
    padding: 20px;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 32px;
    background:
      radial-gradient(circle at 80% 82%, rgba(32, 184, 218, .28), transparent 34%),
      linear-gradient(180deg, rgba(37, 23, 58, .96), rgba(5, 17, 29, .96));
    box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 24px 70px rgba(0,0,0,.32);
  }
  .tdp-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  .tdp-top b { color: #f8d778; letter-spacing: .22em; }
  .tdp-top span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    border-radius: 999px;
    background: #df2455;
    font-size: 11px;
    font-weight: 950;
  }
  .tdp-top i { width: 7px; height: 7px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 5px rgba(255,255,255,.14); }
  .teacher-duel-preview h3 { margin: -4px 0 4px; font-size: 23px; letter-spacing: -.03em; }
  .tdp-score {
    display: grid;
    grid-template-columns: 48px 1fr auto 1fr 48px;
    align-items: center;
    gap: 8px;
    padding: 12px;
    border: 1px solid rgba(210, 180, 255, .28);
    border-radius: 22px;
    background: linear-gradient(110deg, rgba(123,64,232,.28), rgba(255,255,255,.08), rgba(23,169,213,.16));
  }
  .tdp-score strong { display: grid; place-items: center; height: 48px; border-radius: 16px; background: linear-gradient(145deg,#7d45ea,#ba42db); font-size: 24px; }
  .tdp-score b { text-align: center; font-size: 34px; line-height: 1; }
  .tdp-score em { color: #e4bdff; font-style: normal; font-weight: 950; }
  .tdp-question {
    padding: 20px 12px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 22px;
    background: rgba(255,255,255,.1);
    text-align: center;
    font-size: 25px;
    font-weight: 950;
    line-height: 1.15;
  }
  .tdp-answers { display: grid; gap: 9px; }
  .tdp-answers span {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 52px;
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 17px;
    background: rgba(255,255,255,.08);
    font-size: 18px;
    font-weight: 900;
  }
  .tdp-answers b {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(145deg,#7d45ea,#ba42db);
  }
  .teacher-duel-metrics {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-top: clamp(18px, 2.4vw, 28px);
  }
  .teacher-duel-metrics span,
  .teacher-duel-flow span {
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 18px;
    background: rgba(255,255,255,.08);
    backdrop-filter: blur(12px);
  }
  .teacher-duel-metrics span { display: grid; gap: 5px; padding: 15px; }
  .teacher-duel-metrics b { color: #fff; font-size: 25px; }
  .teacher-duel-metrics small { color: #bfb2cf; font-size: 11px; font-weight: 800; line-height: 1.3; }
  .teacher-duel-flow {
    position: relative;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 12px;
  }
  .teacher-duel-flow span {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 10px 12px;
    color: #e6dff0;
    font-weight: 850;
  }
  .teacher-duel-flow b {
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #f8d778;
    color: #1a1027;
    font-size: 12px;
  }
  @media (max-width: 960px) {
    .teacher-duel-hero { grid-template-columns: 1fr; }
    .teacher-duel-preview { width: min(100%, 300px); }
    .teacher-duel-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  @media (max-width: 560px) {
    .teacher-duel-shell { padding: 16px; border-radius: 24px; }
    .teacher-duel-actions { display: grid; }
    .teacher-duel-actions .btn { width: 100%; }
    .teacher-duel-metrics { grid-template-columns: 1fr; }
    .teacher-duel-flow { display: grid; }
  }