/* =========== VIDEO MODAL =========== */
    .video-overlay {
      position: fixed; inset: 0; z-index: 1000;
      background: var(--glass-overlay);
      backdrop-filter: blur(24px) saturate(1.8);
      -webkit-backdrop-filter: blur(24px) saturate(1.8);
      display: flex; flex-direction: column; opacity: 0; visibility: hidden;
      transition: opacity 0.3s, visibility 0.3s;
    }
    .video-overlay.active { opacity: 1; visibility: visible; }
    .video-top {
      display: flex; align-items: center; justify-content: space-between;
      padding: 16px 20px; border-bottom: 1px solid var(--border);
    }
    .video-title { font-size: 14px; font-weight: 600; flex: 1; margin-right: 16px; color: var(--text); }
    .video-close {
      width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border);
      background: var(--card); cursor: pointer; display: flex; align-items: center;
      justify-content: center; -webkit-tap-highlight-color: transparent;
    }
    .video-close svg { width: 16px; height: 16px; stroke: var(--text); stroke-width: 2; fill: none; stroke-linecap: round; }
    .video-body { flex: 1; display: flex; align-items: center; justify-content: center; padding: 20px; overflow-y: auto; }
    .video-body iframe { width: 100%; max-width: 480px; aspect-ratio: 16/9; border: none; border-radius: var(--r); }

    /* =========== ADMIN =========== */
    .admin-section { margin-bottom: 24px; }
    .admin-section-title { font-size: 11px; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px; padding-top: 16px; }
    /* El primer título de cualquier contenedor no necesita padding-top grande (no tiene contenido arriba) */
    .admin-section-title:first-child { padding-top: 4px; }
    .admin-section-title--mb-10 { margin-bottom: 10px; }
    .admin-section-title--flush { margin: 0; }
    .admin-section-title:has(.sec-count) { display: flex; align-items: center; }
    .admin-section-title .sec-count { display: inline-flex; align-items: center; justify-content: center; min-width: 18px; height: 18px; padding: 0 6px; margin-left: 8px; border-radius: 9px; background: var(--card-h); color: var(--text2); font-size: 10px; font-weight: 700; letter-spacing: 0; text-transform: none; vertical-align: middle; }
    [data-theme="light"] .admin-section-title .sec-count { background: var(--border); }
    .arch-arrow { color: var(--text3); font-size: 14px; transition: transform 0.2s; transform: rotate(-90deg); }
    /* Phrase card items */
    .phrase-card {
      display: flex; align-items: center; gap: 10px;
      background: var(--card); border: 1px solid var(--border); border-radius: 10px;
      padding: 12px 14px; margin-bottom: 8px; cursor: pointer;
      transition: border-color 0.2s;
    }
    .phrase-card:active { border-color: var(--text3); }
    .phrase-card-text {
      flex: 1; color: var(--text); font-size: 13px; font-weight: 500; line-height: 1.4;
    }
    .phrase-card-emoji {
      flex: none; font-size: 28px; line-height: 1;
    }
    .phrase-card-x {
      flex-shrink: 0; width: 26px; height: 26px; border-radius: 8px;
      background: none; border: 1px solid transparent;
      color: var(--text3);
      cursor: pointer; display: flex; align-items: center; justify-content: center;
      transition: all 0.2s; -webkit-tap-highlight-color: transparent; padding: 0;
    }
    .phrase-card-x svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; }
    .phrase-card-x:active { background: rgba(255,68,68,0.15); color: var(--red); border-color: rgba(255,68,68,0.3); }
    .phrases-subtabs { display: flex; align-items: center; gap: 5px; margin-bottom: 14px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
    .phrases-subtabs::-webkit-scrollbar { display: none; }
    .phrase-card--emoji { flex: 0 0 auto; padding: 10px 14px; text-align: center; }
    .precio-add-btn { display: flex; align-items: center; gap: 8px; background: none; border: 1.5px dashed var(--border); border-radius: 14px; padding: 12px 16px; width: 100%; color: var(--text2); font-size: 14px; font-family: inherit; cursor: pointer; margin-bottom: 12px; }
    .precio-row { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 14px 16px; margin-bottom: 10px; display: flex; gap: 10px; align-items: center; }
    .precio-input { flex: 1; min-width: 0; background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; font-size: 14px; color: var(--text); font-family: inherit; outline: none; }
    .precio-price-wrap { display: flex; align-items: center; background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 0 10px; gap: 3px; flex-shrink: 0; }
    .precio-price-input { width: 80px; background: none; border: none; padding: 9px 0; font-size: 14px; color: var(--text); font-family: inherit; outline: none; }
    .precio-remove-btn { background: none; border: none; cursor: pointer; padding: 6px; color: var(--text3); flex-shrink: 0; border-radius: 8px; display: flex; align-items: center; }
    .precio-save-btn { width: 100%; background: var(--green); color: #fff; border: none; border-radius: 14px; padding: 14px; font-size: 15px; font-weight: 700; font-family: inherit; cursor: pointer; margin-top: 4px; letter-spacing: 0.2px; }
    .phrase-add-row-btn {
      display: block; width: 100%; margin-top: 8px; margin-bottom: 16px; padding: 12px;
      background: none; border: 2px dashed var(--border); border-radius: 10px;
      color: var(--text3); font-family: inherit; font-size: 14px; cursor: pointer;
      text-align: center; transition: border-color 0.2s;
    }
    .phrase-add-row-btn:active { border-color: #7189a8; color: var(--text2); }

    /* Aurora checkbox */
    .aurora-cb {
      position: relative; width: 20px; height: 20px; cursor: pointer;
      -webkit-appearance: none; appearance: none; margin: 0;
      border-radius: 6px; border: 2px solid var(--border);
      background: var(--bg2); transition: all 0.25s ease;
      flex-shrink: 0;
    }
    .aurora-cb:checked {
      border-color: transparent;
      background: linear-gradient(135deg, #34d399, #8b5cf6, #3b82f6, #34d399);
      background-size: 400% 400%;
      animation: aurora 8s ease infinite;
    }
    .aurora-cb:checked::after {
      content: '';
      position: absolute; top: 2px; left: 5px;
      width: 5px; height: 10px;
      border: solid #fff; border-width: 0 2.5px 2.5px 0;
      transform: rotate(45deg);
    }

    /* Aurora blob presets selector */
    .aurora-preset-row {
      display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
    }
    .aurora-preset-btn {
      width: 44px; height: 44px; border-radius: 12px; border: 2px solid var(--border);
      cursor: pointer; transition: all 0.2s; position: relative; overflow: hidden;
      padding: 0; -webkit-tap-highlight-color: transparent;
    }
    .aurora-preset-btn.active {
      border-color: #7189a8; box-shadow: 0 0 0 2px rgba(113,137,168,0.3);
    }
    .aurora-preset-btn:active { transform: scale(0.92); }
    .aurora-preset-label {
      display: block; font-size: 8px; text-align: center; color: var(--text3);
      margin-top: 4px; text-transform: uppercase; letter-spacing: 0.3px;
    }

    .aspecto-ov {
      position: fixed; inset: 0; z-index: 1300; display: flex;
      align-items: center; justify-content: center; padding: 16px;
      background: rgba(0,0,0,0.45);
    }
    .aspecto-modal {
      width: 100%; max-width: 340px; max-height: 88dvh; overflow-y: auto;
      background: var(--card); border: 1px solid var(--border); border-radius: 18px;
      backdrop-filter: blur(14px) saturate(var(--glass-saturate, 1.2));
      -webkit-backdrop-filter: blur(14px) saturate(var(--glass-saturate, 1.2));
      padding: 16px 18px calc(18px + env(safe-area-inset-bottom));
      box-shadow: 0 12px 44px rgba(0,0,0,0.34);
    }
    .aspecto-modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
    .aspecto-modal-title { font-size: 16px; font-weight: 700; color: var(--text); }
    .aspecto-modal-x {
      width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0; display: inline-flex;
      align-items: center; justify-content: center; background: var(--bg2);
      border: 1px solid var(--border); color: var(--text2); cursor: pointer;
      -webkit-tap-highlight-color: transparent;
    }
    .aspecto-modal-x svg { width: 17px; height: 17px; }
    .aspecto-group { margin-bottom: 20px; }
    .aspecto-group:last-child { margin-bottom: 0; }
    .aspecto-label {
      font-size: 11px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase;
      color: var(--text3); margin-bottom: 10px;
    }
    .aspecto-seg { display: flex; gap: 8px; }
    .aspecto-seg-btn {
      flex: 1; font-family: inherit; font-size: 13px; font-weight: 600; color: var(--text2);
      background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
      padding: 9px; cursor: pointer; -webkit-tap-highlight-color: transparent;
    }
    .aspecto-seg-btn.active { background: rgba(113,137,168,0.16); border-color: #7189a8; color: var(--text); }

    .admin-card {
      background: var(--glass-card);
      backdrop-filter: blur(14px) saturate(1.4);
      -webkit-backdrop-filter: blur(14px) saturate(1.4);
      border-radius: var(--r); padding: 14px 16px;
      margin-bottom: 8px;
    }
    .admin-label { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; margin-top: 4px; }
    .admin-input {
      width: 100%; background: var(--bg2); border: 1px solid var(--border);
      color: var(--text); font-family: inherit; font-size: 14px;
      padding: 12px 14px; border-radius: 8px; outline: none; margin-bottom: 8px;
    }
    .admin-input:focus { border-color: var(--text3); }
    .admin-input::placeholder { color: var(--text3); }
    .admin-input--tagsearch { padding: 10px 14px; margin: 0 0 4px 0; }
    .admin-input--flush { margin: 0; }
    .admin-input--progress-weight { margin: 0; font-size: 13px; padding: 8px 10px; -moz-appearance: textfield; }
    select.admin-input { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }

    /* Segmented date input */
    .date-seg { display: flex; align-items: center; gap: 0; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; padding: 4px 8px; margin-bottom: 8px; transition: border-color 0.2s; }
    .date-seg:focus-within { border-color: var(--text3); }
    .date-seg input {
      background: none; border: none; outline: none; color: var(--text); font-family: inherit;
      font-size: 15px; font-weight: 500; text-align: center; padding: 8px 2px; width: 2.2em;
      -moz-appearance: textfield;
    }
    .date-seg input::-webkit-outer-spin-button,
    .date-seg input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
    .date-seg input.date-seg-year { width: 3.4em; }
    .date-seg input::placeholder { color: var(--text3); font-weight: 400; }
    .date-seg-sep { color: var(--text3); font-size: 16px; font-weight: 300; user-select: none; }
    /* Wrapper para date-seg dentro de filas flex: elimina el margin-bottom que desalinea */
    .date-seg-inline .date-seg { margin-bottom: 0; }

    /* =========== CUSTOM SELECT (Glass) =========== */
    .csel { position: relative; margin-bottom: 8px; }
    .csel-trigger {
      display: flex; align-items: center; justify-content: space-between;
      background: var(--bg2); border: 1px solid var(--border); color: var(--text);
      font-family: inherit; font-size: 14px; padding: 12px 14px;
      border-radius: 8px; cursor: pointer; transition: border-color 0.2s;
      -webkit-tap-highlight-color: transparent; min-height: 46px;
    }
    .csel-trigger:active { border-color: var(--text3); }
    .csel-trigger .csel-placeholder { color: var(--text3); }
    .csel-trigger .csel-chevron {
      width: 16px; height: 16px; stroke: var(--text3); stroke-width: 2;
      fill: none; stroke-linecap: round; stroke-linejoin: round;
      flex-shrink: 0; transition: transform 0.25s;
    }
    .csel.open .csel-trigger { border-color: var(--text3); }
    .csel.open .csel-trigger .csel-chevron { transform: rotate(180deg); }
    /* Botón X para limpiar selección (opt-in con cselRender(..., clearable=true)) */
    .csel-clear {
      background: none; border: none; padding: 0;
      width: 22px; height: 22px;
      color: var(--text3); font-size: 20px; line-height: 1;
      cursor: pointer; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      margin-right: 2px; flex-shrink: 0;
      transition: color 0.15s, background 0.15s;
    }@media (hover: hover) {
      .csel-clear:hover { color: var(--text); background: rgba(255,255,255,0.1); }
    }
    .csel.has-value .csel-chevron { display: none; }
    .csel-dropdown {
      position: absolute; top: calc(100% + 6px); left: -8px; right: -8px; z-index: 95;
      background: var(--glass-dropdown);
      backdrop-filter: blur(var(--glass-thick-blur)) saturate(2.2);
      -webkit-backdrop-filter: blur(var(--glass-thick-blur)) saturate(2.2);
      border: 1px solid var(--glass-border);
      border-radius: 16px; padding: 6px;
      max-height: 240px; overflow-y: auto;
      opacity: 0; transform: translateY(-8px) scale(0.98); pointer-events: none;
      transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
      box-shadow: 0 12px 48px rgba(0,0,0,0.5);
    }
    .csel.open .csel-dropdown {
      opacity: 1; transform: translateY(0) scale(1); pointer-events: auto;
    }
    .csel-option {
      padding: 12px 14px; border-radius: 10px; cursor: pointer;
      font-size: 14px; line-height: 1.4; transition: background 0.15s; color: var(--text);
      -webkit-tap-highlight-color: transparent;
    }@media (hover: hover) {
      .csel-option:hover { background: rgba(255,255,255,0.08); }
    }
    .csel-option:active { background: rgba(255,255,255,0.08); }
    .csel-option.selected { color: var(--green); font-weight: 600; }
    .csel--compact .csel-dropdown { padding: 4px; }
    .csel--compact .csel-option { padding: 9px 10px; white-space: nowrap; }
    .csel--compact .csel-trigger { padding: 12px 10px; }
    .csel--compact .csel-trigger > span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .csel-option .csel-opt-sub { font-size: 11px; color: var(--text3); margin-top: 2px; }
    [data-theme="light"] .csel-dropdown {
      background: var(--glass-dropdown);
      box-shadow: 0 12px 48px rgba(0,0,0,0.15);
    }@media (hover: hover) {
      [data-theme="light"] .csel-option:hover { background: rgba(0,0,0,0.05); }
    }
    [data-theme="light"] .csel-option:active { background: rgba(0,0,0,0.05); }

    /* Plan assignment chip */
    .plan-chip {
      display: flex; align-items: center; gap: 10px;
      background: rgba(107,155,150,0.1); border: 1px solid rgba(107,155,150,0.2);
      border-radius: 10px; padding: 12px 14px;
    }
    .plan-chip-info { flex: 1; min-width: 0; }
    .plan-chip-name { font-size: 14px; font-weight: 600; color: var(--text); }
    .plan-chip-date { font-size: 11px; color: var(--text3); margin-top: 2px; }

    /* Badge tipo de rutina */
    .plan-type-badge {
      display: inline-block; font-size: 10px; font-weight: 600; letter-spacing: 0.3px;
      padding: 3px 9px; border-radius: 10px; margin-top: 5px;
    }
    .plan-type-badge.template { background: rgba(130,100,200,0.15); color: #9b7dd4; }
    .plan-type-badge.derived  { background: rgba(107,155,150,0.15); color: var(--green); }
    .plan-type-badge.own      { background: var(--bg2); color: var(--text3); border: 1px solid var(--border); }
    .plan-type-badge--info { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; -webkit-tap-highlight-color: transparent; }
    .plan-type-badge--info:active { opacity: 0.65; }
    .plan-badge-i { width: 12px; height: 12px; flex-shrink: 0; opacity: 0.8; }

    /* Botones de acción del plan activo */
    .plan-actions { display: flex; gap: 8px; margin-top: 10px; }
    .plan-action-btn {
      flex: 1; padding: 9px 6px; border-radius: 10px; font-size: 14px; font-weight: 600;
      font-family: inherit; cursor: pointer; transition: all 0.2s; border: 1px solid var(--border);
      background: var(--card); color: var(--text2); text-align: center;
      -webkit-tap-highlight-color: transparent;
    }
    .plan-action-btn:active { opacity: 0.7; }
    .plan-action-btn.primary { background: var(--green); color: #fff; border-color: var(--green); }
    .plan-action-btn--compact { padding: 6px 12px; }
    .plan-template-info-msg { display: flex; align-items: center; flex: 1; font-size: 11px; color: var(--text3); background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 9px 10px; line-height: 1.4; }
    .plan-template-info-msg--btn { gap: 5px; text-align: left; font-family: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent; }
    .plan-template-info-msg--btn:active { opacity: 0.7; }

    /* Banner contextual — creando rutina para alumna específica */
    .student-context-banner { display: flex; align-items: center; gap: 8px; background: #6b9b9620; border: 1px solid #6b9b9640; color: var(--text2); border-radius: 12px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px; }
    .student-context-banner strong { color: var(--text); }
    /* Aviso rutina compartida */
    .shared-routine-warning { background: var(--bg2); border: 1px solid var(--border); color: var(--text3); border-radius: 10px; padding: 8px 14px; font-size: 13px; margin-bottom: 16px; line-height: 1.4; }
    .shared-routine-warning strong { color: var(--text2); }
    /* Panel de stats operativas */
    .stats-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
    .stats-pill { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; cursor: default; }
    .stats-pill-val { font-size: 22px; font-weight: 700; color: var(--text); line-height: 1; }
    .stats-pill-label { font-size: 10px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }
    .stats-pill.accent-green .stats-pill-val { color: var(--green); }
    .stats-pill.accent-amber .stats-pill-val { color: #e6a117; }
    .stats-pill.accent-purple .stats-pill-val { color: #9b7dd4; }
    /* Stats dopamínico — 2 números grandes para el profesor */
    .stats-big-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
    .stats-big-card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 20px 16px; text-align: center; cursor: default; }
    .stats-big-num { font-size: 44px; font-weight: 800; color: var(--text); line-height: 1; }
    .stats-big-label { font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--text3); margin-top: 6px; }
    /* Editor — bloque de configuración plantilla/pago */
    .editor-settings-block { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; margin-bottom: 16px; }
    .editor-toggle-row { display: flex; align-items: center; gap: 10px; cursor: pointer; -webkit-tap-highlight-color: transparent; }
    .editor-toggle-row input[type=checkbox] { display: none; }
    .editor-toggle-info { display: flex; align-items: center; gap: 10px; flex: 1; }
    .editor-toggle-thumb { width: 42px; height: 24px; border-radius: 12px; background: var(--border); flex-shrink: 0; position: relative; transition: background 0.2s; }
    .editor-toggle-thumb::after { content: ''; position: absolute; width: 18px; height: 18px; border-radius: 50%; background: #fff; top: 3px; left: 3px; transition: transform 0.2s; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
    .editor-toggle-check:checked ~ .editor-toggle-thumb { background: var(--green); }
    .editor-toggle-check:checked ~ .editor-toggle-thumb::after { transform: translateX(18px); }
    /* Badge precio en cards de biblioteca */
    .price-badge { display: inline-flex; align-items: center; gap: 4px; font-size: 10px; font-weight: 700; padding: 3px 8px; border-radius: 20px; background: rgba(245,158,11,0.12); color: #f59e0b; border: 1px solid rgba(245,158,11,0.3); margin-top: 4px; }
    .price-badge.paid { background: rgba(52,211,153,0.12); color: var(--green); border-color: rgba(52,211,153,0.3); }
    /* Gate de pago — vista alumna */
    /* Avatar del profe — componente reutilizable */
    .prof-chip { display: inline-flex; align-items: center; gap: 5px; font-size: 14px; color: var(--text2); font-weight: 500; }
    .prof-chip-link { cursor: pointer; transition: opacity 0.2s; }
    .prof-chip-link:active { opacity: 0.6; }
    .prof-avatar { border-radius: 50%; object-fit: cover; flex-shrink: 0; }
    .prof-avatar-initial { border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: var(--border); color: var(--text3); font-weight: 700; flex-shrink: 0; }
    .pay-gate-card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 32px 24px; text-align: center; margin: 8px 0 16px; }
    .pay-gate-icon { width: 52px; height: 52px; margin: 0 auto 12px; background: #9b7dd420; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #9b7dd4; }
    .pay-gate-icon svg { width: 24px; height: 24px; }
    .pay-gate-badge { display: inline-block; font-size: 10px; font-weight: 700; padding: 3px 10px; border-radius: 20px; background: #9b7dd420; color: #9b7dd4; border: 1px solid #9b7dd440; margin-bottom: 12px; }
    .pay-gate-title { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
    .pay-gate-body { font-size: 13px; color: var(--text2); line-height: 1.55; margin-bottom: 20px; }
    .pay-gate-btn { background: var(--green); color: #fff; border: none; border-radius: 12px; padding: 13px 28px; font-size: 15px; font-weight: 700; font-family: inherit; cursor: pointer; width: 100%; margin-bottom: 12px; -webkit-tap-highlight-color: transparent; }
    .pay-gate-sub { font-size: 11px; color: var(--text3); line-height: 1.5; }

    /* Bottom sheet para asignación */
    .assign-sheet-overlay {
      position: fixed; inset: 0; z-index: 1100;
      background: var(--glass-overlay);
      backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
      display: flex; align-items: flex-end; justify-content: center;
      opacity: 0; pointer-events: none; transition: opacity 0.25s;
    }
    .assign-sheet-overlay.open { opacity: 1; pointer-events: all; }
    .assign-sheet {
      width: 100%; max-width: 560px; max-height: 85vh;
      display: flex; flex-direction: column;
      background: var(--glass-modal);
      backdrop-filter: blur(var(--glass-thick-blur)) saturate(2.0);
      -webkit-backdrop-filter: blur(var(--glass-thick-blur)) saturate(2.0);
      border: 1px solid var(--glass-border);
      border-radius: 24px 24px 0 0;
      box-shadow: 0 -12px 48px rgba(0,0,0,0.3);
      padding: 12px 20px 40px; transform: translateY(100%); transition: transform 0.3s cubic-bezier(0.32,0.72,0,1);
    }
    .assign-sheet-opts { overflow-y: auto; -webkit-overflow-scrolling: touch; flex: 1; min-height: 0; }
    .assign-sheet-overlay.open .assign-sheet { transform: translateY(0); }
    .assign-sheet-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text2); margin-bottom: 16px; }
    .assign-sheet-opt {
      display: flex; align-items: center; gap: 14px; padding: 14px 12px;
      border-radius: 12px; cursor: pointer; transition: background 0.15s; margin-bottom: 4px;
      border: 1px solid var(--border); background: var(--bg2);
      -webkit-tap-highlight-color: transparent;
    }
    .assign-sheet-opt:active { background: var(--bg3, var(--bg)); }
    .assign-sheet-opt-icon { width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .assign-sheet-opt-icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .assign-sheet-opt-text { flex: 1; }
    .assign-sheet-opt-label { font-size: 14px; font-weight: 600; color: var(--text); }
    .assign-sheet-opt-sub { font-size: 11px; color: var(--text3); margin-top: 2px; }

    .assign-sheet-popup { align-items: center; }
    .assign-sheet-popup .assign-sheet {
      max-width: 560px; max-height: 90dvh; margin-left: 6px; margin-right: 6px;
      display: flex; flex-direction: column;
      border-radius: 24px;
      padding: 0;
      transform: scale(0.96);
      box-shadow: 0 18px 50px rgba(0,0,0,0.4);
      padding-bottom: env(safe-area-inset-bottom);
    }
    .assign-sheet-popup.open .assign-sheet { transform: scale(1); }
    .assign-sheet-head {
      display: flex; align-items: center; gap: 12px;
      padding: 18px 20px 14px; flex-shrink: 0;
      border-bottom: 1px solid var(--glass-border);
    }
    .assign-sheet-head .assign-sheet-title { margin-bottom: 0; flex: 1; }
    .assign-sheet-x {
      flex-shrink: 0; width: 32px; height: 32px; padding: 0;
      display: inline-flex; align-items: center; justify-content: center;
      background: var(--bg2); border: 1px solid var(--border); border-radius: 50%;
      color: var(--text2); cursor: pointer; -webkit-tap-highlight-color: transparent;
    }
    .assign-sheet-x svg { width: 15px; height: 15px; }
    .assign-sheet-body {
      flex: 1 1 auto; min-height: 0; overflow-y: auto; -webkit-overflow-scrolling: touch;
      padding: 16px 20px calc(28px + env(safe-area-inset-bottom));
    }
    .assign-sheet-popup .assign-sheet-opts { overflow: visible; flex: none; }

    /* Payment toggle en assign sheet */
    .assign-payment-divider { height: 1px; background: var(--border); margin: 8px 0 12px; }
    .assign-payment-toggle-row {
      display: flex; align-items: center; justify-content: space-between;
      padding: 6px 4px; cursor: pointer; -webkit-tap-highlight-color: transparent;
    }
    .assign-payment-label { font-size: 14px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 8px; }
    .assign-payment-label svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; color: var(--green); }
    .assign-payment-toggle {
      width: 40px; height: 24px; border-radius: 12px; background: var(--border);
      position: relative; transition: background 0.2s; flex-shrink: 0;
    }
    .assign-payment-toggle.on { background: var(--green); }
    .assign-payment-toggle::after {
      content: ''; position: absolute; top: 3px; left: 3px;
      width: 18px; height: 18px; border-radius: 50%; background: #fff;
      transition: transform 0.2s; box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    }
    .assign-payment-toggle.on::after { transform: translateX(16px); }
    .assign-payment-presets { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 4px 4px; }
    .assign-payment-chip {
      padding: 7px 14px; border-radius: 20px; font-size: 13px; font-weight: 600;
      border: 1.5px solid var(--border); color: var(--text2); cursor: pointer;
      transition: all 0.15s; background: transparent; -webkit-tap-highlight-color: transparent;
    }
    .assign-payment-chip.selected { border-color: var(--green); color: var(--green); background: rgba(107,155,150,0.12); }
    .assign-payment-chip.custom { color: var(--text3); }
    .assign-payment-custom-row { display: flex; align-items: center; gap: 8px; padding: 8px 4px 4px; }
    .assign-payment-custom-row input {
      flex: 1; background: var(--bg3,var(--bg2)); border: 1.5px solid var(--border);
      border-radius: 10px; padding: 8px 12px; font-size: 14px; color: var(--text);
      outline: none;
    }
    .assign-payment-custom-row input:focus { border-color: var(--green); }
    .assign-payment-custom-row span { font-size: 13px; color: var(--text3); flex-shrink: 0; }
    .assign-payment-toggle-row--step1 { padding: 6px 2px 16px; }
    .assign-payment-label--lg { font-size: 15px; }
    .assign-price-list { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; margin-bottom: 16px; }
    .assign-price-custom-row { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
    .assign-price-custom-row__sign { font-size: 13px; color: var(--text3); font-weight: 600; flex-shrink: 0; }
    .assign-continue-btn {
      width: 100%; background: var(--green); color: #fff; border: none; border-radius: 14px;
      padding: 14px; font-size: 15px; font-weight: 700; font-family: inherit; cursor: pointer;
      display: flex; align-items: center; justify-content: center; gap: 8px;
      -webkit-tap-highlight-color: transparent;
    }
    .assign-nopay-row {
      display: flex; align-items: center; gap: 8px; padding: 9px 12px;
      background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 14px;
    }
    .assign-brief-toggle {
      display: inline-flex; align-items: center; gap: 7px;
      padding: 8px 2px; background: none; border: none; cursor: pointer;
      font-family: inherit; color: var(--text2); font-size: 14px; font-weight: 600;
      -webkit-tap-highlight-color: transparent;
    }
    .assign-brief-toggle:active { opacity: 0.7; }
    .assign-brief-toggle-opt { font-size: 12px; font-weight: 500; color: var(--text3); }
    .assign-brief-toggle .assign-brief-arrow { color: var(--text3); transition: transform 0.18s ease; }
    .assign-brief-toggle .assign-brief-arrow.open { transform: rotate(180deg); }
    .assign-sheet-opt-icon--green { background: rgba(107,155,150,0.15); color: var(--green); }
    .assign-sheet-opt-icon--green-soft { background: rgba(107,155,150,0.12); color: var(--green); }
    .assign-sheet-opt-icon--purple { background: rgba(130,100,200,0.15); color: #9b7dd4; }
    .assign-sheet-opt-icon--purple-soft { background: rgba(130,100,200,0.12); color: #9b7dd4; }
    .assign-sheet-opt-icon--gray { background: rgba(140,140,170,0.15); color: var(--text2); }
    .assign-sheet-opt-icon--plain { background: none; color: var(--text2); }
    .assign-sheet-opt--back { margin-bottom: 6px; border-color: transparent; background: none; padding: 2px 0; gap: 6px; }
    .assign-sheet-opt--back .assign-sheet-opt-icon { width: 22px; height: 22px; }
    .assign-sheet-opt--back .assign-sheet-opt-label { color: var(--text2); font-size: 13px; }
    .assign-copy-note { font-size: 11px; color: var(--text3); padding: 0 4px 10px; line-height: 1.5; }
    .assign-price-radio-dot { width: 7px; height: 7px; border-radius: 50%; background: #fff; }

    /* Cobros */
    .cobros-section-label { font-size: 11px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--text3); padding: 6px 2px 8px; }
    .cobros-row { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px; display: flex; align-items: center; gap: 12px; }
    .cobros-row-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--green); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; opacity: 0.85; }
    .cobros-row-info { flex: 1; min-width: 0; }
    .cobros-row-name { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .cobros-row-meta { font-size: 11px; color: var(--text3); margin-top: 3px; display: flex; flex-direction: column; gap: 1px; }
    .cobros-row-right { text-align: right; flex-shrink: 0; }
    .cobros-row-price { font-size: 14px; font-weight: 700; color: var(--text); }
    .cobros-badge { display: inline-block; font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: 20px; margin-top: 5px; }
    .cobros-badge.pending { background: rgba(251,191,36,0.1); color: rgba(251,191,36,0.8); border: 1px solid rgba(251,191,36,0.2); }
    .cobros-badge.paid { background: rgba(107,155,150,0.1); color: var(--green); border: 1px solid rgba(107,155,150,0.2); opacity: 0.9; }
    .cobros-badge.request { background: rgba(139,92,246,0.1); color: rgba(139,92,246,0.85); border: 1px solid rgba(139,92,246,0.2); }
    .cobros-row-action { font-size: 11px; font-weight: 600; color: var(--green); cursor: pointer; margin-top: 6px; display: inline-block; padding: 3px 0; }

    /* Historial de rutinas */
    .plan-hist-item {
      display: flex; align-items: center; gap: 10px;
      padding: 10px 0; border-bottom: 1px solid var(--border);
    }
    .plan-hist-item:last-child { border-bottom: none; }
    .plan-hist-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 2px; }
    .plan-hist-info { flex: 1; min-width: 0; }
    .plan-hist-name { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .plan-hist-dates { font-size: 10px; color: var(--text3); margin-top: 2px; }
    .hist-toggle-btn {
      width: 100%; display: block; background: none; border: none;
      color: var(--text3); font-family: inherit; font-size: 11px;
      cursor: pointer; padding: 10px 6px; text-align: center;
    }

    .plan-chip-x {
      width: 28px; height: 28px; border-radius: 8px;
      background: none; border: 1px solid transparent; color: var(--text3);
      cursor: pointer; display: flex;
      align-items: center; justify-content: center; flex-shrink: 0;
      transition: all 0.2s; -webkit-tap-highlight-color: transparent; padding: 0;
    }
    .plan-chip-x svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; }
    .plan-chip-x:active { background: rgba(255,68,68,0.15); border-color: rgba(255,68,68,0.3); color: var(--red); }

    .routine-tag-chip {
      display: inline-flex; align-items: center; gap: 6px;
      font-size: 13px; font-weight: 600; padding: 6px 14px;
      border-radius: 20px; white-space: nowrap;
    }
    .tag-scrim {
      position: fixed; inset: 0; z-index: 1190; background: rgba(0,0,0,0.5);
      animation: tagScrimIn 0.16s ease;
    }
    .tag-scrim.hidden { display: none; }
    .tag-dropdown {
      position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
      z-index: 1200; margin: 0;
      background: var(--card); border: 1px solid var(--border); border-radius: 16px;
      padding: 12px; width: 320px; max-width: calc(100vw - 32px);
      max-height: 70dvh; overflow-y: auto; box-shadow: 0 16px 48px rgba(0,0,0,0.5);
      animation: tagPop 0.16s ease;
    }
    .tag-dropdown.hidden { display: none; }
    @keyframes tagScrimIn { from { opacity: 0; } to { opacity: 1; } }
    @keyframes tagPop {
      from { opacity: 0; transform: translate(-50%, -50%) scale(0.96); }
      to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    }
    .tag-dropdown-head {
      display: flex; align-items: center; justify-content: space-between;
      padding: 2px 2px 4px; margin-bottom: 2px;
    }
    .tag-dropdown-title { font-size: 12px; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.4px; }
    .tag-dropdown-close {
      width: 26px; height: 26px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
      background: var(--bg2); border: none; border-radius: 50%; color: var(--text2); cursor: pointer; padding: 0;
    }
    .tag-dropdown-close svg { width: 14px; height: 14px; }
    .tag-dropdown-close:active { background: var(--border); }
    .tag-option {
      display: flex; align-items: center; gap: 10px;
      padding: 10px 12px; border-radius: 8px; cursor: pointer;
      font-size: 14px; color: var(--text);
      -webkit-tap-highlight-color: transparent;
    }@media (hover: hover) {
      .tag-option:hover { background: var(--bg2); }
    }
    .tag-option:active { background: var(--bg2); }
    .tag-option-dot {
      width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0;
    }
    .editor-bottom-spacer { height: calc(82px + env(safe-area-inset-bottom)); }
    .editor-fixed-bar {
      position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
      background: var(--glass-editor);
      backdrop-filter: blur(var(--glass-thick-blur)) saturate(2.0);
      -webkit-backdrop-filter: blur(var(--glass-thick-blur)) saturate(2.0);
      border-top: 1px solid var(--glass-border);
      box-shadow: 0 -4px 24px rgba(0,0,0,0.25);
      padding: 12px 16px; padding-bottom: max(12px, env(safe-area-inset-bottom));
      display: flex; gap: 10px;
      max-width: 480px; margin: 0 auto;
    }
    /* Boton Guardar — Aurora (gradient animado verde-violeta-azul) */
    .admin-save {
      flex: 1; padding: 16px; border: none; border-radius: 12px;
      background: linear-gradient(135deg, #34d399, #8b5cf6, #3b82f6, #34d399);
      background-size: 400% 400%;
      color: #fff; font-family: inherit;
      font-size: 14px; font-weight: 700; cursor: pointer;
      letter-spacing: 1px; text-transform: uppercase;
      transition: all 0.2s; position: relative; overflow: hidden;
      box-shadow: 0 4px 20px rgba(139,92,246,0.3);
      animation: aurora 8s ease infinite;
    }
    .admin-save::before {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
      pointer-events: none;
    }
    .admin-save:active { transform: scale(0.97); box-shadow: 0 2px 10px rgba(139,92,246,0.2); }
    .admin-save:disabled { opacity: 0.4; cursor: not-allowed; animation: none; box-shadow: none; }
    .admin-save:disabled:active { transform: none; }
    /* Variante micro del botón Aurora (guardar datos / guardar perfil inline) */
    .admin-save-micro {
      padding: 8px 16px; border: none; border-radius: 10px;
      background: linear-gradient(135deg, #34d399, #8b5cf6, #3b82f6, #34d399);
      background-size: 400% 400%;
      color: #fff; font-family: inherit;
      font-size: 11px; font-weight: 700; cursor: pointer;
      letter-spacing: 0.8px; text-transform: uppercase;
      transition: all 0.2s; position: relative; overflow: hidden;
      box-shadow: 0 2px 10px rgba(139,92,246,0.25);
      animation: aurora 8s ease infinite;
    }
    .admin-save-micro--block {
      margin-top: 10px; width: 100%; padding: 11px 16px; font-size: 13px;
      display: flex; align-items: center; justify-content: center; gap: 6px;
    }
    .admin-save-micro--pad-sm { padding: 10px 18px; }
    .admin-save-micro--pad-xs { padding: 8px 14px; }
    .admin-save-micro::before {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
      pointer-events: none;
    }
    .admin-save-micro:active { transform: scale(0.96); box-shadow: 0 1px 6px rgba(139,92,246,0.2); }
    .admin-save-micro:disabled,
    .admin-save-micro[disabled] {
      cursor: not-allowed; opacity: 0.45;
      background: var(--bg2); color: var(--text3);
      box-shadow: none; animation: none;
      pointer-events: none;
    }
    .admin-save-micro:disabled::before,
    .admin-save-micro[disabled]::before { display: none; }
    @keyframes aurora {
      0%, 100% { background-position: 0% 50%; }
      25% { background-position: 100% 0%; }
      50% { background-position: 100% 100%; }
      75% { background-position: 0% 100%; }
    }
    /* Boton Eliminar — Fade-in (gris → rojo en hover) */
    .admin-danger {
      padding: 16px 20px; font-family: inherit;
      font-size: 13px; font-weight: 600; cursor: pointer;
      letter-spacing: 1px; text-transform: uppercase;
      color: #71717a; border-radius: 10px;
      border: 1px solid rgba(113,113,122,0.2);
      background: none; transition: all 0.25s;
    }
    .admin-danger:active {
      color: var(--red); border-color: rgba(255,68,68,0.3);
      background: rgba(255,68,68,0.04);
    }
    @media (hover: hover) {
      .admin-danger:hover {
        color: var(--red); border-color: rgba(255,68,68,0.3);
        background: rgba(255,68,68,0.04);
      }
    }
    [data-theme="light"] .admin-danger {
      color: #a1a1aa; border-color: rgba(161,161,170,0.3);
      background: none;
    }
    [data-theme="light"] .admin-danger:active {
      color: #dc2626; border-color: rgba(220,38,38,0.3);
      background: rgba(220,38,38,0.04);
    }
    @media (hover: hover) {
      [data-theme="light"] .admin-danger:hover {
        color: #dc2626; border-color: rgba(220,38,38,0.3);
        background: rgba(220,38,38,0.04);
      }
    }

    /* Admin Tabs */
    .admin-tabs {
      display: flex; gap: 4px; padding: 16px 0 12px; border-bottom: 1px solid var(--border); margin-bottom: 16px;
    }
    .admin-tab {
      background: none; border: 1px solid var(--border); color: var(--text3);
      font-size: 11px; font-family: inherit; font-weight: 600;
      padding: 8px 14px; border-radius: 20px; cursor: pointer;
      letter-spacing: 0.5px; text-transform: uppercase; transition: all 0.2s;
      -webkit-tap-highlight-color: transparent;
    }
    .admin-tab.active { border-color: var(--text); color: var(--text); background: var(--card); }
    .admin-tab--phrase { font-size: 14px; padding: 6px 10px; white-space: nowrap; }

    /* Exercise Library Grid */
    .lib-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; contain: layout style paint; }
    .lib-grid > .empty-state { grid-column: 1 / -1; }
    .lib-card {
      background: var(--glass-card);
      backdrop-filter: blur(14px) saturate(1.4);
      -webkit-backdrop-filter: blur(14px) saturate(1.4);
      border-radius: var(--r); overflow: hidden;
      cursor: pointer; transition: transform 0.15s; -webkit-tap-highlight-color: transparent;
      touch-action: manipulation;
    }
    .lib-card:active { transform: scale(0.97); }
    .lib-card--tapped { transform: scale(0.97); opacity: 0.7; pointer-events: none; transition: transform 0.1s, opacity 0.1s; }
    body.no-scroll .lib-card { backdrop-filter: none; -webkit-backdrop-filter: none; }
    @media (hover: none) and (pointer: coarse) {
      .lib-card {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: var(--card);
      }
      body.no-scroll .lib-card { background: var(--card); }
    }
    .lib-card-locked { cursor: pointer; opacity: 0.85; }
    .lib-card-locked:active { transform: scale(0.97); }
    .lib-sticky-header {
      position: sticky;
      top: var(--header-h);
      z-index: 40;
      background: transparent;
      border-bottom: 1px solid transparent;
      padding: 19px 10px 12px;
      margin: -4px -10px 8px;
      transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
    }
    .lib-sticky-header.is-stuck {
      background: var(--glass-header);
      backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
      -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
      border-bottom-color: var(--glass-border);
      box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    }
    .lib-sticky-header .csel { margin-bottom: 0; }
    .lib-sticky-header .csel-trigger { min-height: 40px; padding: 9px 14px; }
    .lib-sticky-header .filter-btn { min-height: 40px; padding: 8px 14px; }
    .lib-thumb {
      width: 100%; aspect-ratio: 16/9; background: var(--bg2);
      display: flex; align-items: center; justify-content: center;
      overflow: hidden; position: relative;
    }
    .lib-thumb img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
    .lib-thumb-empty { font-size: 24px; color: var(--text3); }
    .lib-vid-badge {
      position: absolute; bottom: 4px; right: 4px; background: rgba(0,0,0,0.7);
      font-size: 9px; padding: 2px 6px; border-radius: 4px; color: var(--text2);
    }
    .lib-action-btn {
      position: absolute; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
      background: rgba(0,0,0,0.35); border-radius: 50%; opacity: 0.8; transition: opacity 0.2s;
      -webkit-tap-highlight-color: transparent; cursor: pointer; border: none; padding: 0;
    }@media (hover: hover) {
      .lib-action-btn:hover { opacity: 1; background: rgba(0,0,0,0.55); }
    }
    .lib-action-btn:active { opacity: 1; background: rgba(0,0,0,0.55); }
    .lib-action-btn svg { width: 16px; height: 16px; stroke: #fff; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 1px 2px rgba(0,0,0,0.5)); }
    /* Tooltip de imagen ampliada (gestor de ejercicios) */
    .img-zoom-tip {
      position: fixed; z-index: 9999; pointer-events: none;
      background: var(--card); border: 1px solid var(--border); border-radius: 12px;
      box-shadow: 0 12px 40px rgba(0,0,0,0.5); padding: 4px; display: none;
    }
    .img-zoom-tip img { width: 220px; height: 220px; object-fit: contain; border-radius: 8px; display: block; background: var(--bg2); }
    .lib-preview-btn { bottom: 8px; right: 8px; }
    .lib-edit-btn { bottom: 8px; left: 8px; }
    .lib-fav-btn { top: 8px; right: 8px; }
    .lib-fav-btn.is-fav svg { fill: #f5c451; stroke: #f5c451; }
    .lib-fav-filter svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linejoin: round; }
    .lib-fav-filter.active { color: #d89b1c; border-color: rgba(216,155,28,0.4); }
    .lib-fav-filter.active svg { fill: #f5c451; stroke: #f5c451; }
    .ex-picker-fav-star { width: 12px; height: 12px; fill: #f5c451; stroke: #f5c451; vertical-align: -1px; margin-right: 4px; }
    .lib-info { padding: 10px 12px; }
    .lib-name { font-size: 13px; font-weight: 600; line-height: 1.3; }
    .lib-name-en { font-size: 10px; color: var(--text3); margin-top: 1px; font-style: italic; }
    .lib-cat { font-size: 10px; color: var(--text3); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.5px; }
    .lib-add {
      background: none; border: 2px dashed var(--border); border-radius: var(--r);
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      cursor: pointer; padding: 30px; color: var(--text3); font-family: inherit;
      transition: all 0.2s; min-height: 120px; -webkit-tap-highlight-color: transparent;
    }
    .lib-add:active { border-color: var(--text2); }
    .lib-add-icon { font-size: 28px; margin-bottom: 6px; }
    .lib-add-text { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; }

    /* Library Preview Overlay */
    .lib-preview-overlay {
      position: fixed; inset: 0; z-index: 1000;
      display: flex; align-items: center; justify-content: center;
      padding: max(24px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
      background: rgba(0,0,0,0); opacity: 0; visibility: hidden;
      transition: opacity 0.25s, visibility 0.25s, background-color 0.25s;
    }
    .lib-preview-overlay.active { opacity: 1; visibility: visible; background: rgba(0,0,0,0.55); }
    .lib-preview-card {
      position: relative; background: var(--card);
      width: 100%; max-width: 440px; max-height: min(86dvh, 640px);
      display: flex; flex-direction: column;
      border-radius: 18px; overflow: hidden;
      box-shadow: 0 18px 50px rgba(0,0,0,0.4);
      transform: scale(0.94);
      transition: transform 0.25s cubic-bezier(0.34,1.1,0.64,1);
    }
    .lib-preview-overlay.active .lib-preview-card { transform: none; }
    .lib-preview-top {
      display: flex; align-items: center; justify-content: space-between;
      padding: 16px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0;
    }
    .lib-preview-title { font-size: 16px; font-weight: 600; flex: 1; margin-right: 16px; color: var(--text); line-height: 1.3; }
    .lib-preview-cat { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 3px; }
    .lib-preview-close {
      width: 34px; height: 34px; border-radius: 50%; border: none;
      background: var(--bg2); cursor: pointer; display: flex; align-items: center;
      justify-content: center; -webkit-tap-highlight-color: transparent; flex-shrink: 0;
    }
    .lib-preview-close svg { width: 15px; height: 15px; stroke: var(--text2); stroke-width: 2.2; fill: none; stroke-linecap: round; }
    .lib-preview-body {
      flex: 1; display: flex; flex-direction: column; align-items: center;
      justify-content: flex-start; padding: 16px; overflow-y: auto; min-height: 0;
    }
    .lib-preview-slider-wrap { width: 100%; max-width: 480px; }
    .ex-slider-flash { animation: exSliderFlash 1.3s ease; border-radius: 16px; }
    @keyframes exSliderFlash {
      0% { box-shadow: 0 0 0 0 rgba(107,155,150,0); }
      18% { box-shadow: 0 0 0 4px rgba(107,155,150,0.6); }
      100% { box-shadow: 0 0 0 0 rgba(107,155,150,0); }
    }
    @media (prefers-reduced-motion: reduce) { .ex-slider-flash { animation: none; } }

    /* FAB (Floating Action Button) */
    .fab {
      position: fixed; bottom: 24px; right: 24px; z-index: 80;
      width: 56px; height: 56px; border-radius: 50%; border: none;
      background: linear-gradient(135deg, #34d399, #8b5cf6);
      color: #fff; font-size: 28px; font-weight: 300; line-height: 1;
      cursor: pointer; display: flex; align-items: center; justify-content: center;
      box-shadow: 0 4px 20px rgba(139,92,246,0.35);
      transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
      -webkit-tap-highlight-color: transparent;
    }
    .fab:active { transform: scale(0.9); }
    .fab svg { width: 24px; height: 24px; stroke: #fff; stroke-width: 2.5; fill: none; stroke-linecap: round; }

    /* ===== Admin FAB — botón directo por tab ===== */
    .admin-fab {
      position: fixed; bottom: 24px; right: 24px; z-index: 200;
      width: 56px; height: 56px; border-radius: 50%; border: none;
      background: linear-gradient(135deg, #34d399, #8b5cf6);
      color: #fff; cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 4px 20px rgba(139,92,246,0.35);
      transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s;
      -webkit-tap-highlight-color: transparent;
    }
    .admin-fab.hidden { display: none; }
    .admin-fab svg {
      width: 24px; height: 24px; stroke: #fff; stroke-width: 2.5; fill: none;
      stroke-linecap: round;
    }
    .admin-fab:active { transform: scale(0.9); }

    /* Category filters */
    .cat-filters { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
    .cat-pill {
      background: var(--bg2); border: 1px solid var(--border); color: var(--text3);
      font-size: 10px; font-family: inherit; padding: 5px 10px; border-radius: 14px;
      cursor: pointer; text-transform: uppercase; letter-spacing: 0.5px; transition: all 0.2s;
    }
    .cat-pill.active { border-color: var(--text2); color: var(--text); background: var(--card); }

    /* Modal (exercise editor) */
    .modal-overlay {
      position: fixed; inset: 0; z-index: 900;
      background: var(--glass-overlay);
      backdrop-filter: blur(12px) saturate(1.6); -webkit-backdrop-filter: blur(12px) saturate(1.6);
      display: flex; align-items: center; justify-content: center;
      opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s;
      padding: max(20px, env(safe-area-inset-top)) 20px max(20px, env(safe-area-inset-bottom));
    }
    .modal-overlay.active { opacity: 1; visibility: visible; }
    /* ── Loading dots global ── */
    .loading-dots { display:inline-flex; align-items:center; gap:5px; justify-content:center; padding:4px 0; }
    .loading-dots span { width:6px; height:6px; border-radius:50%; background:var(--text3); animation:ldBounce 1.2s ease-in-out infinite; }
    .loading-dots span:nth-child(2) { animation-delay:0.15s; }
    .loading-dots span:nth-child(3) { animation-delay:0.3s; }
    @keyframes ldBounce { 0%,80%,100%{opacity:0.25;transform:scale(0.7)} 40%{opacity:1;transform:scale(1)} }
    /* ── Skeleton shimmer (para loaders "esqueleto" en calendario y otras vistas) ── */
    @keyframes sk-shimmer { 0% { background-position: -400px 0 } 100% { background-position: 400px 0 } }
    .sk-box {
      background: linear-gradient(90deg, var(--border) 0%, rgba(255,255,255,0.10) 50%, var(--border) 100%);
      background-size: 800px 100%;
      animation: sk-shimmer 1.4s linear infinite;
      border-radius: 8px;
    }
    .sk-dash-kpi { height: 78px; border-radius: 14px; }
    .sk-dash-week { height: 132px; border-radius: 14px; margin-top: 18px; }
    .sk-cal-header { height: 28px; width: 55%; margin: 0 auto 16px; }
    .sk-cal-toggle { height: 32px; width: 180px; margin: 0 auto 16px; border-radius: 10px; }
    .sk-cal-stat { height: 72px; border-radius: 10px; }
    .sk-cal-cell { aspect-ratio: 1; border-radius: 8px; }
    /* ── Picker desplegable mes/año (calendario ver asistencia) ── */
    ._sc-inner { transition: opacity 0.2s ease; opacity: 1; }
    .sc-title-btn { background: none; border: none; cursor: pointer; color: var(--text); font-family: inherit; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; padding: 6px 12px; border-radius: 10px; display: inline-flex; align-items: center; gap: 6px; -webkit-tap-highlight-color: transparent; transition: background 0.2s; }@media (hover: hover) {
      .sc-title-btn:hover { background: var(--card); }
    }
    .sc-title-btn:active { background: var(--card); }
    .sc-view-toggle { display: flex; gap: 4px; background: var(--card); border-radius: 20px; padding: 3px; margin: 0 auto 14px; width: fit-content; }
    .sc-year-mlabel { font-size: 9px; color: var(--text3); text-transform: uppercase; letter-spacing: 1px; text-align: center; margin-bottom: 5px; }
    #scPicker {
      position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(4px);
      z-index: 20; width: 260px; pointer-events: auto;
    }
    .sc-picker-pop {
      background: var(--glass-bg); backdrop-filter: blur(16px) saturate(1.6);
      -webkit-backdrop-filter: blur(16px) saturate(1.6);
      border: 1px solid var(--glass-border); border-radius: 14px; padding: 12px;
      box-shadow: 0 12px 32px rgba(0,0,0,0.35);
      animation: scPickerIn 0.22s cubic-bezier(0.34,1.56,0.64,1);
    }
    @keyframes scPickerIn { from { opacity: 0; transform: translateY(-4px) scale(0.96) } to { opacity: 1; transform: translateY(0) scale(1) } }
    .sc-picker-year-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
    .sc-picker-y-btn { background: none; border: none; cursor: pointer; color: var(--text2); font-size: 20px; padding: 2px 12px; border-radius: 8px; -webkit-tap-highlight-color: transparent; transition: background 0.15s; font-family: inherit; }@media (hover: hover) {
      .sc-picker-y-btn:hover:not(:disabled) { background: var(--card); }
    }
    .sc-picker-y-btn:active:not(:disabled) { background: var(--card); }
    .sc-picker-y-btn:disabled { opacity: 0.25; cursor: not-allowed; }
    .sc-picker-y-val { font-size: 15px; font-weight: 700; color: var(--text); letter-spacing: 1px; }
    .sc-picker-months { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
    .sc-picker-m-btn {
      background: var(--card); border: 1px solid var(--border); color: var(--text2);
      font-family: inherit; font-size: 11px; font-weight: 600; text-transform: uppercase;
      letter-spacing: 0.5px; padding: 9px 0; border-radius: 8px; cursor: pointer;
      -webkit-tap-highlight-color: transparent; transition: all 0.15s;
    }@media (hover: hover) {
      .sc-picker-m-btn:hover:not(:disabled) { border-color: var(--text3); color: var(--text); }
    }
    .sc-picker-m-btn:active:not(:disabled) { transform: scale(0.96); }
    .sc-picker-m-btn.selected { background: var(--green); color: #fff; border-color: var(--green); box-shadow: 0 2px 8px rgba(52,211,153,0.25); }
    .sc-picker-m-btn.disabled, .sc-picker-m-btn:disabled { opacity: 0.3; cursor: not-allowed; }
    /* ── Celda del calendario: hover solo si es clickeable ── */@media (hover: hover) {
      .sc-cell[onclick]:hover { filter: brightness(1.15); }
    }
    .sc-cell[onclick]:active { transform: scale(0.94); transition: transform 0.1s; }
    /* ── Popover de info del plan (al tocar una celda) ── */
    .sc-plan-popover {
      position: fixed; z-index: 2000; transform: translateX(-50%);
      animation: scPlanPopIn 0.22s cubic-bezier(0.34,1.56,0.64,1);
      pointer-events: auto;
    }
    @keyframes scPlanPopIn {
      from { opacity: 0; transform: translateX(-50%) translateY(-4px) scale(0.94); }
      to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
    }
    .sc-plan-popover-inner {
      background: var(--glass-bg); backdrop-filter: blur(18px) saturate(1.8);
      -webkit-backdrop-filter: blur(18px) saturate(1.8);
      border: 1px solid var(--glass-border); border-radius: 14px;
      padding: 14px 16px; box-shadow: 0 14px 40px rgba(0,0,0,0.45);
      min-width: 240px; max-width: 300px;
    }
    .sc-plan-popover-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
    .sc-plan-popover-chip { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 0 2px rgba(255,255,255,0.08); }
    .sc-plan-popover-name { font-size: 13px; font-weight: 700; color: var(--text); line-height: 1.3; word-break: break-word; }
    .sc-plan-popover-dates { font-size: 11px; color: var(--text3); margin-bottom: 2px; }
    .sc-plan-popover-dpw { font-size: 10px; color: var(--text3); opacity: 0.7; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; }
    .sc-plan-popover-btn {
      width: 100%; background: linear-gradient(135deg, #34d399, #8b5cf6, #3b82f6, #34d399);
      background-size: 400% 400%; animation: aurora 8s ease infinite;
      color: #fff; border: none; padding: 9px 14px; border-radius: 10px;
      font-family: inherit; font-size: 14px; font-weight: 700;
      letter-spacing: 0.5px; text-transform: uppercase; cursor: pointer;
      -webkit-tap-highlight-color: transparent;
      box-shadow: 0 4px 14px rgba(139,92,246,0.3);
      transition: transform 0.15s;
    }
    .sc-plan-popover-btn:active { transform: scale(0.96); }
    /* ── Header de navegación en la vista del plan (desde el calendario) ── */
    .sc-plan-nav {
      display: flex; align-items: center; gap: 12px;
      margin-bottom: 16px; padding-bottom: 14px;
      border-bottom: 1px solid var(--border);
    }
    .sc-back-to-cal {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 8px 12px; flex-shrink: 0;
      color: var(--text2); font-family: inherit; font-size: 14px; font-weight: 600;
      cursor: pointer; -webkit-tap-highlight-color: transparent;
      background: var(--card); border: 1px solid var(--border);
      border-radius: 10px;
      transition: all 0.18s;
    }@media (hover: hover) {
      .sc-back-to-cal:hover { background: var(--card-h, rgba(255,255,255,0.06)); color: var(--text); }
    }
    .sc-back-to-cal:active { transform: scale(0.96); }
    .sc-plan-nav-info {
      display: flex; align-items: center; gap: 10px;
      flex: 1; min-width: 0;
    }
    .sc-plan-nav-dot {
      width: 12px; height: 12px; border-radius: 50%;
      flex-shrink: 0;
    }
    .sc-plan-nav-dates {
      font-size: 11px; color: var(--text3);
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .sc-plan-nav-dates.is-marquee { text-overflow: clip; }
    .sc-marquee-track { display: inline-flex; }
    .sc-marquee-copy { white-space: nowrap; padding-right: 28px; }
    .sc-plan-nav-dates.is-marquee .sc-marquee-track { animation: sc-marq var(--marq-dur, 12s) linear infinite; }@media (hover: hover) {
      .sc-plan-nav-dates.is-marquee:hover .sc-marquee-track { animation-play-state: paused; }
    }
    @keyframes sc-marq { from { transform: translateX(0); } to { transform: translateX(-50%); } }
    @media (prefers-reduced-motion: reduce) { .sc-plan-nav-dates.is-marquee .sc-marquee-track { animation: none; } }
    .modal-sheet {
      background: var(--glass-modal); border-radius: 24px; width: 100%; max-width: 420px;
      max-height: 85dvh; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 10px;
      backdrop-filter: blur(var(--glass-thick-blur)) saturate(2.2);
      -webkit-backdrop-filter: blur(var(--glass-thick-blur)) saturate(2.2);
      border: 1px solid var(--glass-border);
      box-shadow: 0 24px 56px rgba(0,0,0,0.45);
      transform: scale(0.95); transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
      position: relative;
    }
    .modal-overlay.active .modal-sheet { transform: scale(1); }
    .modal-close-x {
      position: absolute; top: 12px; right: 12px; width: 32px; height: 32px; flex-shrink: 0;
      border: none; background: var(--border); color: var(--text1); border-radius: 50%;
      font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center;
      transition: background 0.2s; line-height: 1; padding: 0;
    }
    .modal-close-x:active { background: var(--text3); }
    .modal-title { font-size: 15px; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
    .modal-info-text { font-size: 16px; line-height: 1.55; color: var(--text2); margin: 0; text-wrap: pretty; }
    .modal-info-example { margin-top: 16px; padding: 14px; border-radius: 12px; background: var(--bg2); }
    .modal-info-example-label, .modal-info-caution-label {
      display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.8px;
      text-transform: uppercase; color: var(--text3); margin-bottom: 8px;
    }
    .ex-seq-ex { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
    .ex-seq-track { list-style: none; margin: 0; padding: 0; position: relative; }
    .ex-seq-rail {
      position: absolute; left: 6px; top: 9px; width: 2px; height: calc(100% - 22px);
      overflow: visible; pointer-events: none;
    }
    .ex-seq-rail line { stroke: var(--border); stroke-width: 2; }
    .ex-seq-step { position: relative; padding: 0 0 16px 26px; display: flex; align-items: center; min-height: 22px; }
    .ex-seq-step:last-child { padding-bottom: 0; }
    .ex-seq-node {
      position: absolute; left: 0; top: 2px; width: 14px; height: 14px; border-radius: 50%;
      box-sizing: border-box; background: var(--green); border: 2px solid var(--green);
      display: flex; align-items: center; justify-content: center; z-index: 1;
    }
    .ex-seq-step--rest .ex-seq-node {
      left: -2px; top: 0; width: 18px; height: 18px; border-radius: 5px;
      border: 1px solid var(--border); background: var(--card); color: var(--text3);
    }
    .ex-seq-step--rest .ex-seq-node svg { width: 13px; height: 13px; }
    .ex-seq-step--accent .ex-seq-node { box-shadow: 0 0 0 4px rgba(74,158,107,0.2); }
    .ex-seq-text { font-size: 15px; font-weight: 700; color: var(--text); }
    .ex-seq-step--rest .ex-seq-text { font-size: 13px; font-weight: 600; color: var(--text3); }
    .ex-seq-note { font-size: 14px; line-height: 1.5; color: var(--text3); margin: 14px 0 0; text-wrap: pretty; }
    @media (prefers-reduced-motion: no-preference) {
      .modal-overlay.active .ex-seq-step { opacity: 0; transform: translateY(8px); animation: exSeqIn 0.34s cubic-bezier(0.2,0.7,0.2,1) forwards; animation-delay: calc(0.25s + var(--i, 0) * 0.09s); }
      .modal-overlay.active .ex-seq-rail line { stroke-dasharray: 100; stroke-dashoffset: 100; animation: exSeqRail 0.85s ease forwards; }
    }
    @keyframes exSeqIn { to { opacity: 1; transform: none; } }
    @keyframes exSeqRail { to { stroke-dashoffset: 0; } }
    .modal-info-rx { margin-top: 16px; padding: 14px; border-radius: 12px; background: var(--bg2); }
    .modal-info-rx .modal-info-text { color: var(--text); }
    .modal-info-purpose { color: var(--text); font-size: 14.5px; }
    .modal-info-fold { margin-top: 14px; border-top: 1px solid var(--border); }
    .modal-info-fold-h {
      display: flex; align-items: center; gap: 8px; width: 100%; padding: 12px 0;
      background: none; border: none; cursor: pointer; font-family: inherit;
      font-size: 13px; font-weight: 700; color: var(--text2); text-align: left;
      -webkit-tap-highlight-color: transparent;
    }
    .modal-info-fold-h svg { color: var(--text3); flex-shrink: 0; transition: transform 0.25s; }
    .modal-info-fold.open .modal-info-fold-h svg { transform: rotate(90deg); }
    .modal-info-fold-b { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.3s ease; }
    .modal-info-fold.open .modal-info-fold-b { grid-template-rows: 1fr; }
    .modal-info-fold-inner { overflow: hidden; }
    .modal-info-fold-inner .modal-info-text { padding-bottom: 12px; }
    .modal-info-caution { margin-top: 16px; padding: 14px; border-radius: 12px; background: rgba(214,158,46,0.13); }
    .modal-info-caution-label { color: #c99a2e; margin-bottom: 6px; }
    .modal-info-caution .modal-info-text { color: var(--text); }
    .modal-sheet--framed { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
    .modal-head {
      display: flex; align-items: center; justify-content: space-between; gap: 12px;
      flex-shrink: 0; padding: 18px 20px 14px;
    }
    .modal-head .modal-close-x { position: static; }
    .modal-head .modal-title { margin-bottom: 0; }
    .modal-body { overflow-y: auto; -webkit-overflow-scrolling: touch; flex: 1; padding: 0 20px 20px; }
    .modal-foot { flex-shrink: 0; padding: 14px 20px 18px; }
    .modal-foot .admin-save { width: 100%; }
    .info-once-foot { display: flex; flex-direction: column; align-items: center; gap: 8px; }
    .info-once-dismiss { background: none; border: 0; color: var(--text3); font-size: 13px; cursor: pointer; padding: 6px 4px; }
    .info-once-dismiss:active { opacity: 0.55; }
    .modal-actions { display: flex; gap: 10px; margin-top: 20px; }
    .modal-actions .admin-save { flex: 1; }
    .modal-actions .admin-danger { flex: 0 0 auto; }
    #confirmActions { flex-direction: column; gap: 6px; }
    /* Custom prompt (replaces native prompt()) */
    .cprompt-sheet--menu .modal-title, .cprompt-sheet--menu .modal-actions { display: none; }
    .modal-sheet.cprompt-sheet--menu { max-width: 288px; }
    .cprompt-menu { display: flex; flex-direction: column; padding: 2px 2px 4px; }
    .cprompt-menu-head { display: flex; align-items: flex-start; gap: 10px; padding: 6px 8px 12px 12px; }
    .cprompt-menu-title {
      flex: 1; font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
      color: var(--text3); padding-top: 5px; line-height: 1.35;
    }
    .cprompt-menu-close {
      flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; border: none; padding: 0;
      background: var(--card-h); color: var(--text2); cursor: pointer;
      display: flex; align-items: center; justify-content: center;
    }
    .cprompt-menu-close:active { background: var(--border); color: var(--text); }
    .cprompt-menu-close svg { width: 15px; height: 15px; }
    .cprompt-row {
      display: flex; align-items: center; gap: 14px; width: 100%;
      padding: 15px 12px; border: none; border-top: 1px solid var(--border);
      background: none; color: var(--text); font-family: inherit;
      font-size: 15px; font-weight: 500; text-align: left; cursor: pointer;
      -webkit-tap-highlight-color: transparent;
      transition: background 0.15s;
    }
    .cprompt-row:active { background: rgba(255,255,255,0.06); }
    .cprompt-row--danger { color: var(--red); }
    .cprompt-row-ic { display: inline-flex; flex-shrink: 0; color: var(--text2); }
    .cprompt-row-ic svg { width: 22px; height: 22px; display: block; }
    .cprompt-row--danger .cprompt-row-ic { color: var(--red); }
    .cprompt-row-label { flex: 1; }
    .cprompt-field { margin-top: 12px; }
    .cprompt-field input, .cprompt-field textarea {
      width: 100%; background: var(--bg2); border: 1px solid var(--border); color: var(--text);
      font-family: inherit; font-size: 14px; padding: 14px; border-radius: 10px; outline: none;
    }
    .cprompt-field textarea { resize: vertical; line-height: 1.45; min-height: 84px; }
    .cprompt-field input:focus, .cprompt-field textarea:focus { border-color: var(--text3); }
    .cprompt-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
    .cprompt-chip {
      padding: 7px 12px; border: 1px solid var(--border); border-radius: 999px;
      background: var(--bg2); color: var(--text2); font-family: inherit;
      font-size: 12px; font-weight: 600; cursor: pointer; transition: all 0.15s;
      -webkit-tap-highlight-color: transparent;
    }
    .cprompt-chip:active { border-color: var(--text3); color: var(--text); background: rgba(113,137,168,0.12); }
    .ai-cfg-row {
      display: flex; align-items: center; justify-content: space-between; gap: 14px;
      padding: 14px 0; border-bottom: 1px solid var(--border);
    }
    .ai-cfg-row:last-child { border-bottom: none; }
    .ai-cfg-info { flex: 1; min-width: 0; }
    .ai-cfg-toggle { flex-shrink: 0; margin-top: 0; }
    .ai-cfg-link { display: block; text-align: center; text-decoration: none; margin-top: 16px; }
    /* Media slider */
    .media-slider { position: relative; border-radius: 12px; overflow: hidden; background: #000; margin-bottom: 10px; }
    .media-slider-track { display: flex; transition: transform 0.3s ease; touch-action: pan-y; }
    .media-slide {
      min-width: 100%; aspect-ratio: 1/1; position: relative; cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      background: var(--bg2);
      touch-action: pan-y; -webkit-touch-callout: none; user-select: none;
    }
    /* Dentro del editor y detail sheet, slider más compacto */
    .modal-sheet .media-slide { aspect-ratio: 4/3; }
    .ex-detail-body .media-slide { aspect-ratio: 4/3; }
    .ex-detail-body .media-slide video { width: 100%; height: 100%; object-fit: contain; }
    .media-slide img { width: 100%; height: 100%; object-fit: contain; position: relative; z-index: 1; }
    .media-slide-bg {
      position: absolute; inset: 0; background-size: cover; background-position: center;
      filter: blur(24px) brightness(0.6); opacity: 0.35;
    }
    .media-slide .play-icon {
      position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
      background: rgba(0,0,0,0.3); z-index: 2;
    }
    .media-slide .play-icon svg { width: 40px; height: 40px; fill: #fff; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5)); }
    .media-slide-label {
      position: absolute; top: 8px; left: 8px; background: rgba(0,0,0,0.7);
      color: #fff; font-size: 10px; padding: 3px 8px; border-radius: 4px; font-weight: 600;
      z-index: 3;
    }
    .media-slide-del {
      position: absolute; top: 8px; right: 8px; z-index: 3;
      background: rgba(0,0,0,0.5); border: 1px solid transparent;
      color: var(--text3); width: 24px; height: 24px; border-radius: 8px;
      cursor: pointer; display: flex; align-items: center; justify-content: center;
      transition: all 0.2s; -webkit-tap-highlight-color: transparent; padding: 0;
    }
    .media-slide-del svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; }
    .media-slide-del:active { background: rgba(255,68,68,0.15); border-color: rgba(255,68,68,0.3); color: var(--red); }
    .media-slide-actions { position: absolute; top: 8px; right: 8px; z-index: 3; display: flex; gap: 6px; }
    .media-slide-act {
      background: rgba(0,0,0,0.5); border: 1px solid transparent; color: #fff;
      width: 30px; height: 30px; border-radius: 8px; padding: 0; cursor: pointer;
      display: flex; align-items: center; justify-content: center; transition: all 0.2s;
      -webkit-tap-highlight-color: transparent;
    }
    .media-slide-act svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .media-slide-act--name:active { background: rgba(255,255,255,0.2); }
    .media-slide-act--del:active { background: rgba(255,68,68,0.18); border-color: rgba(255,68,68,0.35); color: var(--red); }
    .media-slide-gender {
      position: absolute; bottom: 8px; left: 8px; z-index: 3;
      background: rgba(0,0,0,0.6); color: var(--text3); border: none;
      font-size: 10px; font-weight: 700; padding: 4px 10px; border-radius: 12px;
      cursor: pointer; transition: all 0.2s; -webkit-tap-highlight-color: transparent;
    }
    .media-slide-gender--set { background: rgba(139,92,246,0.85); color: #fff; }
    .media-slide-gender:active { transform: scale(0.94); }
    .media-slide-empty { color: var(--text3); font-size: 14px; text-transform: uppercase; letter-spacing: 1px; user-select: none; -webkit-touch-callout: none; pointer-events: none; }
    .media-dots { display: flex; justify-content: center; gap: 6px; padding: 8px 0 4px; }
    .media-dot {
      width: 8px; height: 8px; border-radius: 50%; background: var(--border);
      border: none; cursor: pointer; padding: 0; transition: all 0.2s;
    }
    .media-dot.active { background: var(--green); width: 20px; border-radius: 4px; }
    .media-slider-arrow {
      position: absolute; top: 50%; transform: translateY(-50%) translateZ(0); z-index: 6;
      width: 32px; height: 32px; border-radius: 50%; border: none;
      background: rgba(0,0,0,0.5); color: #fff; cursor: pointer;
      display: flex; align-items: center; justify-content: center; font-size: 16px;
    }
    .media-slider-arrow.prev { left: 6px; }
    .media-slider-arrow.next { right: 6px; }
    .media-add-row {
      display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px;
    }
    .media-add-btn {
      flex: 1 1 auto; min-width: max-content; padding: 10px 12px; background: none; border: 1px dashed var(--border);
      color: var(--text3); font-size: 13px; font-family: inherit; border-radius: 8px;
      cursor: pointer; text-transform: uppercase; letter-spacing: 0.3px;
      white-space: nowrap;
    }
    .media-add-btn:active { background: var(--card); }
    .ex-field-with-btn {
      display: flex; gap: 6px; align-items: flex-start;
    }
    .yt-search-overlay {
      position: fixed; inset: 0; z-index: 1200; background: var(--glass-overlay);
      backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
      display: none; align-items: center; justify-content: center; padding: 16px;
    }
    .yt-search-overlay.active { display: flex; }
    .yt-search-modal {
      width: 100%; max-width: 540px; height: 88dvh; display: flex; flex-direction: column;
      background: var(--glass-modal); border: 1px solid var(--glass-border); border-radius: 18px;
      padding: 16px; box-shadow: 0 12px 48px rgba(0,0,0,0.35);
    }
    .yt-search-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
    .yt-search-title { font-size: 16px; font-weight: 700; }
    .yt-search-close { background: none; border: none; color: var(--text3); font-size: 24px; line-height: 1; cursor: pointer; padding: 0 4px; }
    .yt-search-bar { display: flex; gap: 8px; margin-bottom: 12px; }
    .yt-search-bar .admin-input { flex: 1; margin: 0; }
    .yt-search-go { flex: 0 0 38px; width: 38px; padding: 0; align-self: stretch; display: flex; align-items: center; justify-content: center; }
    .yt-search-go svg { width: 17px; height: 17px; }
    .yt-kind-toggle { display: flex; gap: 6px; margin-bottom: 12px; }
    .yt-kind-btn {
      flex: 1; padding: 7px 0; font-size: 13px; font-weight: 600; font-family: inherit; cursor: pointer;
      background: var(--bg2); color: var(--text3); border: 1px solid var(--border); border-radius: 9px;
    }
    .yt-kind-btn.active { background: rgba(139,92,246,0.14); color: var(--text); border-color: rgba(139,92,246,0.4); }
    .yt-search-results { overflow-y: auto; flex: 1; -webkit-overflow-scrolling: touch; display: flex; flex-direction: column; gap: 18px; }
    .yt-search-hint { text-align: center; color: var(--text3); font-size: 13px; padding: 24px 8px; }
    .yt-result { display: flex; flex-direction: column; gap: 8px; }
    .yt-result-info { min-width: 0; }
    .yt-result-title { font-size: 14px; font-weight: 600; line-height: 1.3; }
    .yt-result-channel { font-size: 12px; color: var(--text3); margin-top: 2px; }
    .yt-result-thumb { position: relative; width: 100%; aspect-ratio: 16/9; border-radius: 12px; overflow: hidden; background: #000; cursor: pointer; }
    .yt-result-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
    .yt-result-thumb .play-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 1; }
    .yt-result-thumb .play-icon svg { width: 46px; height: 46px; fill: rgba(255,255,255,0.92); filter: drop-shadow(0 2px 6px rgba(0,0,0,0.55)); }
    .yt-result-thumb.playing .play-icon { display: none; }
    .yt-result-iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; z-index: 2; }
    .yt-result-insert { align-self: stretch; font-size: 13px; font-weight: 600; color: var(--green); background: rgba(52,211,153,0.12); border: none; border-radius: 10px; padding: 9px 12px; cursor: pointer; font-family: inherit; }
    .ex-field-with-btn .admin-input { flex: 1; }
    .ex-preview-btn {
      width: 44px; height: 44px; flex-shrink: 0; border: 1px solid var(--border);
      background: var(--bg2); color: var(--text3); border-radius: 8px;
      cursor: pointer; display: flex; align-items: center; justify-content: center;
      transition: all 0.2s;
    }
    .ex-preview-btn:active { background: var(--card-h); color: #7189a8; border-color: #7189a8; }
    /* Student gallery */
    .gallery-strip { display: flex; gap: 6px; overflow-x: auto; padding: 8px 0; -webkit-overflow-scrolling: touch; }
    .gallery-strip::-webkit-scrollbar { display: none; }
    .gallery-thumb {
      width: 64px; height: 64px; border-radius: 8px; overflow: hidden; flex-shrink: 0;
      border: 2px solid transparent; cursor: pointer; transition: border-color 0.2s;
    }
    .gallery-thumb.active { border-color: #7189a8; }
    .gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
    .gallery-main { border-radius: 12px; overflow: hidden; background: #000; aspect-ratio: 16/9; margin-bottom: 8px; }
    .gallery-main img { width: 100%; height: 100%; object-fit: contain; }
    .gallery-main iframe { width: 100%; height: 100%; border: none; }


    .dash { padding: 4px 0 16px; }
    .dash-greet { margin-bottom: 18px; }
    .dash-greet-hi { font-size: 20px; font-weight: 700; color: var(--text); }
    .dash-greet-date { font-size: 13px; color: var(--text3); margin-top: 2px; }

    .dash-kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 22px; }
    .dash-kpi { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 13px 14px; }
    .dash-kpi-label { font-size: 12px; color: var(--text2); }
    .dash-kpi-value { font-size: 26px; font-weight: 700; color: var(--text); line-height: 1.1; margin-top: 2px; }
    .dash-kpi-sub { font-size: 11px; color: var(--text3); margin-top: 3px; }

    .dash-sec-title { font-size: 13px; font-weight: 700; color: var(--text2); margin: 0 2px 9px; }

    .dash-week-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; margin-bottom: 22px; }
    .dash-week-hero { display: flex; align-items: baseline; gap: 7px; margin-bottom: 14px; }
    .dash-week-num { font-size: 28px; font-weight: 700; color: var(--green); line-height: 1; }
    .dash-week-cap { font-size: 13px; color: var(--text2); }
    .dash-bars { display: flex; align-items: flex-end; justify-content: space-between; gap: 6px; height: 78px; }
    .dash-bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; height: 100%; justify-content: flex-end; }
    .dash-bar-val { font-size: 12px; font-weight: 700; color: var(--text); line-height: 1; }
    .dash-bar-val.is-zero { color: var(--text3); font-weight: 600; }
    .dash-bar-val.is-today { color: var(--green); }
    .dash-bar-track { width: 100%; flex: 1; display: flex; align-items: flex-end; }
    .dash-bar-fill { width: 100%; min-height: 4px; background: var(--border); border-radius: 5px; transition: height 0.4s ease; }
    .dash-bar-fill.is-today { background: var(--green); }
    .dash-bar-fill--grow { transform-origin: bottom; animation: dashBarGrow 0.5s cubic-bezier(0.34,1.1,0.64,1) both; }
    @keyframes dashBarGrow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
    @media (prefers-reduced-motion: reduce) { .dash-bar-fill--grow { animation: none; } }
    .dash-bar-dow { font-size: 11px; color: var(--text3); }
    .dash-bar-dow.is-today { color: var(--green); font-weight: 700; }

    .dash-att-card { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; margin-bottom: 22px; }
    .dash-att-row { display: flex; align-items: center; gap: 11px; padding: 11px 13px; background: none; border: none; border-top: 1px solid var(--border); font-family: inherit; text-align: left; cursor: pointer; -webkit-tap-highlight-color: transparent; }
    .dash-att-row:first-child { border-top: none; }
    .dash-att-row:active { background: var(--bg2); }
    .dash-att-av { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
    .dash-att-av--warn { background: rgba(245,158,11,0.14); color: #f59e0b; }
    .dash-att-av--accent { background: rgba(107,155,150,0.16); color: var(--green); }
    .dash-att-av--risk { background: rgba(220,80,80,0.14); color: #dc5050; }
    .dash-att-txt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
    .dash-att-name { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .dash-att-sub { font-size: 12px; color: var(--text3); }
    .dash-att-action { display: inline-flex; align-items: center; gap: 1px; font-size: 12px; font-weight: 700; flex-shrink: 0; white-space: nowrap; }
    .dash-att-action--warn { color: #f59e0b; }
    .dash-att-action--accent { color: var(--green); }
    .dash-att-action--risk { color: #dc5050; }
    .dash-att-empty { display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; font-size: 13px; color: var(--text2); margin-bottom: 22px; }
    .dash-att-empty svg { color: var(--green); flex-shrink: 0; }

    .dash-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .dash-tile { display: flex; align-items: center; gap: 10px; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px 15px; font-family: inherit; font-size: 14px; font-weight: 600; color: var(--text); cursor: pointer; -webkit-tap-highlight-color: transparent; }
    .dash-tile:active { background: var(--bg2); }
    .dash-tile svg { width: 19px; height: 19px; stroke: var(--text2); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

    .stats-prof-row { margin-bottom: 12px; }
    .stats-prof-sel-slot { max-width: 320px; }

    .stats-kpi-value--txt { font-size: 22px; }

    .stats-navbar-row {
      display: grid;
      grid-template-columns: minmax(88px, 130px) 1fr auto;
      grid-template-areas: "label track val" "sub sub sub";
      align-items: center;
      gap: 6px 10px;
      padding: 9px 0;
      border-bottom: 1px solid var(--border);
    }
    .stats-navbar-row:last-child { border-bottom: none; }
    .stats-navbar-label { grid-area: label; font-size: 13px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .stats-navbar-track { grid-area: track; height: 8px; background: var(--bg2); border-radius: 5px; overflow: hidden; }
    .stats-navbar-fill { height: 100%; background: var(--green); border-radius: 5px; }
    .stats-navbar-val { grid-area: val; font-size: 14px; font-weight: 700; color: var(--text); white-space: nowrap; }
    .stats-navbar-sub { grid-area: sub; font-size: 11px; color: var(--text3); }

    .err-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 16px;
      height: 16px;
      padding: 0 4px;
      margin-left: 6px;
      border-radius: 8px;
      background: var(--red);
      color: #fff;
      font-size: 10px;
      font-weight: 700;
      line-height: 1;
    }
    .err-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
    .err-mark-all {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--rs);
      padding: 5px 12px;
      font-size: 12px;
      font-weight: 600;
      color: var(--text2);
      cursor: pointer;
      white-space: nowrap;
    }
    .err-mark-all:active { background: var(--bg2); }

    .err-list { display: flex; flex-direction: column; gap: 8px; }
    .err-row {
      background: var(--glass-card);
      border: 1px solid var(--glass-border);
      border-radius: var(--r);
      padding: 12px 14px;
    }
    .err-row--unseen { background: var(--card); }
    .err-row-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
    .err-src {
      font-size: 10px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.4px;
      padding: 2px 7px;
      border-radius: 6px;
      background: var(--bg2);
      color: var(--text2);
    }
    .err-src--js { background: rgba(240, 184, 0, 0.16); color: #b98900; }
    .err-src--promise { background: rgba(155, 125, 212, 0.16); color: #9b7dd4; }
    .err-src--api { background: rgba(214, 90, 90, 0.16); color: var(--red); }
    .err-src--toast { background: rgba(107, 155, 150, 0.16); color: var(--green); }
    .err-row-when { font-size: 11px; color: var(--text3); }
    .err-row-who { font-size: 12px; font-weight: 600; color: var(--text2); }
    .err-row-route { font-size: 11px; color: var(--text3); font-family: ui-monospace, monospace; }
    .err-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--red); margin-left: auto; flex-shrink: 0; }
    .err-row-msg { font-size: 13px; color: var(--text); word-break: break-word; }
    .err-detail { margin-top: 8px; }
    .err-detail summary { font-size: 11px; color: var(--text3); cursor: pointer; user-select: none; }
    .err-detail-list {
      margin-top: 6px;
      padding: 10px;
      background: var(--bg2);
      border-radius: var(--rs);
      display: grid;
      grid-template-columns: max-content 1fr;
      gap: 4px 12px;
    }
    .err-detail-list dt { font-size: 11px; color: var(--text3); font-weight: 600; }
    .err-detail-list dd {
      margin: 0;
      font-size: 11px;
      color: var(--text2);
      word-break: break-word;
      font-family: ui-monospace, monospace;
    }
    .err-stack { margin-top: 8px; }
    .err-stack summary { font-size: 11px; color: var(--text3); cursor: pointer; user-select: none; }
    .err-stack pre {
      margin-top: 6px;
      padding: 10px;
      background: var(--bg2);
      border-radius: var(--rs);
      font-size: 11px;
      color: var(--text2);
      overflow-x: auto;
      white-space: pre-wrap;
      word-break: break-word;
    }