/* ═══════════════════════════════════════════════════════════
   MonPad v2 – style.css
   ═══════════════════════════════════════════════════════════ */
:root {
  --primary:   #cc3241; --primary-d: #000000;
  --success:   #10b981; --danger: #ef4444; --warning: #f59e0b; --info: #3b82f6;
  --gray-50:   #f8fafc; --gray-100: #f1f5f9; --gray-200: #e2e8f0;
  --gray-400:  #94a3b8; --gray-600: #475569; --gray-800: #1e293b;
  --radius:    12px; --radius-sm: 8px;
  --shadow:    0 2px 8px rgba(0,0,0,.08),0 1px 3px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.15);
  --font:      -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --accent:    #cc3241;
  /* Block type colours */
  --block-text-color:#6366f1; --block-link-color:#10b981; --block-youtube-color:#ef4444;
  --block-image-color:#8b5cf6; --block-pdf-color:#f59e0b; --block-audio_record-color:#ec4899;
  --block-audio_upload-color:#ec4899; --block-collaborative-color:#06b6d4; --block-h5p-color:#f97316;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);color:var(--gray-800);line-height:1.6}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;cursor:pointer;border:1.5px solid transparent;transition:all .15s;text-decoration:none;white-space:nowrap}
.btn:hover{opacity:.88;transform:translateY(-1px);text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}.btn-danger{background:var(--danger);color:#fff}
.btn-outline{border-color:var(--gray-200);background:#fff;color:var(--gray-800)}
.btn-ghost{background:transparent;color:var(--gray-600);border-color:transparent}
.btn-full{width:100%;justify-content:center}.btn-lg{padding:.75rem 1.5rem;font-size:1rem}
.btn-sm{padding:.3rem .7rem;font-size:.8rem}.btn-icon{background:none;border:none;cursor:pointer;font-size:1rem;padding:.2rem .4rem;border-radius:4px}
.btn-icon:hover{background:var(--gray-100)}

/* ─── Forms ──────────────────────────────────────────────────────────────── */
.form-group{display:flex;flex-direction:column;gap:.4rem}
.form-group label{font-size:.85rem;font-weight:600;color:var(--gray-600)}
.form-group input,.form-group select,.form-group textarea{padding:.6rem .9rem;border:1.5px solid var(--gray-200);border-radius:var(--radius-sm);font-size:.9rem;font-family:var(--font);background:#fff;transition:border-color .15s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.12)}
.form-row{display:flex;flex-wrap:wrap;gap:1rem;align-items:flex-end}
.form-row .form-group{flex:1;min-width:160px}.form-col-2{flex:2 !important}
.form-hint{font-size:.8rem;color:var(--gray-400);margin-top:.25rem}

/* ─── Alerts / Badges ────────────────────────────────────────────────────── */
.alert{padding:.75rem 1rem;border-radius:var(--radius-sm);font-size:.875rem;margin-bottom:1rem;border:1.5px solid}
.alert-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.alert-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.alert-info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--gray-100);color:var(--gray-600)}
.badge-code{background:#ede9fe;color:#6d28d9}

/* ═══ ACCESS PAGE ════════════════════════════════════════════════════════════ */
.page-access{background:#f8fafc;min-height:100vh;display:flex}
.access-wrap { flex:1; display:flex; align-items:flex-start; justify-content:center; padding:4rem 2rem 2rem; }
.access-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:2.5rem;width:100%;max-width:420px}
.access-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: .80rem;
}
.access-logo h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #000000;
  align-self: flex-start;
}
.access-tagline{color:var(--gray-400);font-size:.95rem;margin-bottom:1.5rem}
.access-form{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem}
.access-footer{text-align:center}.link-muted{color:var(--gray-400);font-size:.875rem}

/* ═══ PAD VIEW ════════════════════════════════════════════════════════════════ */
.page-pad{min-height:100vh}

/* Header */
.pad-header{background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:100}
.pad-header-inner{max-width:1600px;margin:0 auto;display:flex;align-items:center;gap:1rem;padding:.75rem 1.5rem}
.pad-home-btn{font-size:.85rem;color:var(--gray-600);font-weight:500;padding:.4rem .8rem;border-radius:var(--radius-sm);background:var(--gray-100);text-decoration:none}
.pad-home-btn:hover{background:var(--gray-200);text-decoration:none}
.pad-header-title{flex:1;text-align:center}.pad-header-title h1{font-size:1.1rem;font-weight:700}
.pad-header-title p{font-size:.8rem;color:var(--gray-400)}
.pad-header-right{display:flex;align-items:center;gap:.75rem}

/* Search */
.search-box input{padding:.5rem .9rem;border:1.5px solid var(--gray-200);border-radius:20px;font-size:.875rem;width:200px;transition:all .2s}
.search-box input:focus{outline:none;border-color:var(--accent,var(--primary));width:260px;box-shadow:0 0 0 3px rgba(99,102,241,.1)}

/* Tabs */
.pad-tabs{display:flex;gap:.5rem;padding:.5rem 1.5rem;background:rgba(255,255,255,.7);border-bottom:1px solid var(--gray-100)}
.pad-tab{padding:.4rem 1rem;border-radius:20px;border:none;background:transparent;cursor:pointer;font-size:.875rem;font-weight:500;color:var(--gray-600);transition:all .15s}
.pad-tab.active,.pad-tab:hover{background:var(--accent,var(--primary));color:#fff}

/* Grid */
.pad-grid{display:grid;grid-template-columns:repeat(var(--cols,3),1fr);gap:1rem;padding:1.5rem;max-width:1600px;margin:0 auto;align-items:start}
@media(max-width:900px){.pad-grid{grid-template-columns:repeat(2,1fr) !important}}
@media(max-width:580px){.pad-grid{grid-template-columns:1fr !important}}
.pad-col{display:flex;flex-direction:column;gap:1rem}
.col-header-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:rgba(0,0,0,.4);padding:.25rem .5rem;text-align:center;min-height:1rem}

/* Blocks */
.block{border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:box-shadow .2s}
.block:hover{box-shadow:0 4px 16px rgba(0,0,0,.12)}
.block-header{display:flex;align-items:center;gap:.5rem;padding:.65rem 1rem;border-bottom:1px solid rgba(0,0,0,.06);font-size:.875rem;background:rgba(0,0,0,.03)}
.block-icon{font-size:1rem}.block-title{flex:1;font-weight:600}
.block-badge{font-size:.7rem;color:var(--gray-400);background:rgba(0,0,0,.06);border-radius:999px;padding:.15rem .6rem}
.block-body{padding:1rem}

/* Block footer: stars + comments */
.block-footer{display:flex;align-items:center;justify-content:space-between;padding:.5rem 1rem;border-top:1px solid rgba(0,0,0,.05);background:rgba(0,0,0,.02)}
.star-rating{display:flex;align-items:center;gap:.15rem}
.star{background:none;border:none;font-size:1.1rem;cursor:pointer;color:var(--gray-200);transition:color .1s;padding:0}
.star.active,.star:hover,.star-rating:hover .star{color:#fbbf24}
.star-rating:hover .star:hover~.star{color:var(--gray-200)}
.star-count{font-size:.75rem;color:var(--gray-400);margin-left:.25rem}
.comment-btn{display:inline-flex;align-items:center;gap:.3rem;padding:.25rem .6rem;border-radius:999px;border:1.5px solid var(--gray-200);background:transparent;cursor:pointer;font-size:.8rem;color:var(--gray-600);transition:all .15s}
.comment-btn:hover{border-color:var(--accent,var(--primary));color:var(--accent,var(--primary))}

/* Content types */
.block-text-content h2,.block-text-content h3{margin:.4rem 0}.block-text-content p{margin:.25rem 0}.block-text-content ul,.block-text-content ol{margin-left:1.5rem}.block-text-content a{color:var(--primary)}
.link-card{display:flex;align-items:center;gap:.75rem;padding:.75rem;border-radius:var(--radius-sm);background:var(--gray-50);border:1.5px solid var(--gray-200);text-decoration:none;color:inherit;transition:all .15s}
.link-card:hover{border-color:var(--accent,var(--primary));background:#f5f3ff;transform:translateY(-1px);text-decoration:none}
.link-card-icon{font-size:1.5rem;flex-shrink:0}.link-card-text{flex:1;min-width:0}
.link-card-title{font-weight:600;font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.link-card-desc{font-size:.8rem;color:var(--gray-600)}.link-card-url{font-size:.7rem;color:var(--gray-400);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.link-card-arrow{font-size:1.2rem;color:var(--gray-400)}
.yt-wrap{position:relative;padding-bottom:56.25%;height:0;border-radius:var(--radius-sm);overflow:hidden}
.yt-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%}
.block-image img{width:100%;border-radius:var(--radius-sm);display:block}
.block-image figcaption{font-size:.8rem;color:var(--gray-400);margin-top:.4rem;text-align:center}
.pdf-block .pdf-preview{border-radius:var(--radius-sm);overflow:hidden;margin-bottom:.5rem}
.pdf-preview iframe{width:100%;height:400px;border:none}
.audio-block{display:flex;flex-direction:column;align-items:center;gap:.75rem;padding:.5rem 0}
.audio-icon{font-size:2.5rem}.audio-block audio{width:100%}.audio-label{font-size:.85rem;color:var(--gray-600)}
.collab-block{display:flex;flex-direction:column;gap:.5rem}
.collab-status{font-size:.8rem;color:var(--accent,var(--primary));font-weight:500;padding:.25rem .5rem;background:rgba(99,102,241,.1);border-radius:999px;display:inline-block}
.collab-editor{width:100%;min-height:200px;padding:.75rem;border:1.5px solid var(--gray-200);border-radius:var(--radius-sm);font-size:.9rem;font-family:var(--font);resize:vertical;transition:border-color .15s}
.collab-editor:focus{outline:none;border-color:var(--accent,var(--primary))}
.collab-footer{display:flex;justify-content:flex-end}.collab-saved{font-size:.75rem;color:var(--gray-400)}
/* H5P */
.h5p-block{}
.h5p-wrap iframe{width:100%;border:none;border-radius:var(--radius-sm);min-height:400px}
.h5p-score{padding:.5rem .75rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;margin-bottom:.5rem}
.score-passed{background:#f0fdf4;color:#166534;border:1.5px solid #bbf7d0}
.score-failed{background:#fef9ec;color:#92400e;border:1.5px solid #fde68a}

/* Activity / stats */
.activity-container{max-width:900px;margin:0 auto;padding:1.5rem}
.stats-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:#fff;border-radius:var(--radius-sm);padding:1.25rem;text-align:center;box-shadow:var(--shadow)}
.stat-num{font-size:2rem;font-weight:800;color:var(--accent,var(--primary))}.stat-label{font-size:.8rem;color:var(--gray-400)}
.mini-chart{display:flex;align-items:flex-end;gap:.5rem;height:100px;padding:.75rem;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow);margin-bottom:1.5rem}
.chart-bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:.2rem;height:100%}
.chart-fill{width:100%;height:var(--h,20%);background:var(--accent,var(--primary));border-radius:4px 4px 0 0;min-height:4px;transition:height .3s}
.chart-val{font-size:.65rem;color:var(--gray-600)}.chart-date{font-size:.65rem;color:var(--gray-400)}
.activity-log{background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow);overflow:hidden}
.log-entry{display:flex;align-items:center;gap:.75rem;padding:.6rem 1rem;border-bottom:1px solid var(--gray-50)}
.log-entry:last-child{border-bottom:none}
.log-action{font-weight:600;font-size:.8rem;background:var(--gray-100);padding:.15rem .5rem;border-radius:4px;white-space:nowrap}
.log-detail{flex:1;font-size:.85rem;color:var(--gray-600)}
.log-time{font-size:.75rem;color:var(--gray-400);white-space:nowrap}

/* Comments */
.comment-item{padding:.75rem;border-radius:var(--radius-sm);background:var(--gray-50);margin-bottom:.5rem}
.comment-header{display:flex;justify-content:space-between;margin-bottom:.25rem}
.comment-header strong{font-size:.875rem}.comment-time{font-size:.75rem;color:var(--gray-400)}
.comment-content{font-size:.875rem;white-space:pre-wrap}

/* Footer */
.pad-footer{text-align:center;padding:1.5rem;color:var(--gray-400);font-size:.8rem;border-top:1px solid rgba(0,0,0,.1);margin-top:1rem}

/* ═══ ADMIN ════════════════════════════════════════════════════════════════════ */
.page-admin{background:var(--gray-50);min-height:100vh}
.admin-layout{display:flex;min-height:100vh}
.admin-sidebar{width:240px;background:var(--gray-800);color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;flex-shrink:0}
.sidebar-logo{padding:1.25rem 1.5rem;font-size:1.1rem;font-weight:700;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:.5rem}
.sidebar-nav{padding:1rem 0;flex:1}
.nav-item{display:block;padding:.65rem 1.5rem;color:rgba(255,255,255,.75);font-size:.9rem;text-decoration:none;transition:all .15s}
.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
.sidebar-nav hr{border:none;border-top:1px solid rgba(255,255,255,.1);margin:.5rem 1.5rem}
.nav-logout{color:rgba(239,68,68,.8) !important}.nav-logout:hover{color:#ef4444 !important;background:rgba(239,68,68,.1) !important}
.admin-main{flex:1;padding:2rem;max-width:1200px}
.admin-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;flex-wrap:wrap;gap:.75rem}
.admin-topbar h2{font-size:1.4rem;font-weight:700}
.topbar-right{display:flex;align-items:center;gap:.75rem}
.search-form input{padding:.5rem .9rem;border:1.5px solid var(--gray-200);border-radius:20px;font-size:.875rem;outline:none}
.search-form input:focus{border-color:var(--primary)}
@media(max-width:640px){.admin-sidebar{display:none}.admin-main{padding:1rem}}

/* Pads grid */
.pads-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem}
.pad-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden;transition:box-shadow .2s}
.pad-card:hover{box-shadow:var(--shadow-lg)}
.pad-card-body{padding:1.25rem;flex:1}.pad-card-body h3{font-size:1rem;font-weight:700;margin-bottom:.3rem}
.pad-card-desc{font-size:.85rem;color:var(--gray-400);margin-bottom:.75rem}
.pad-card-meta{display:flex;flex-wrap:wrap;gap:.4rem}
.pad-card-actions{display:flex;gap:.5rem;align-items:center;padding:.75rem 1.25rem;border-top:1px solid var(--gray-100);background:var(--gray-50)}

/* Dropdown */
.dropdown{position:relative}
.dropdown-menu{position:absolute;right:0;top:100%;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);min-width:160px;z-index:200;border:1px solid var(--gray-100);overflow:hidden}
.dropdown-item{display:block;padding:.65rem 1rem;font-size:.875rem;color:var(--gray-800);text-decoration:none;transition:background .1s}
.dropdown-item:hover{background:var(--gray-50);text-decoration:none}
.dropdown-item.danger{color:var(--danger)}

/* Empty state */
.empty-state{text-align:center;padding:4rem 2rem}.empty-state.compact{padding:2rem}
.empty-icon{font-size:3rem;margin-bottom:1rem}
.empty-state h3{font-size:1.1rem;margin-bottom:.5rem}.empty-state p{color:var(--gray-400);margin-bottom:1.5rem}

/* Panel */
.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1.5rem;overflow:hidden}
.panel-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--gray-100);cursor:pointer;user-select:none}
.panel-header h3{font-size:1rem;font-weight:700}.panel-body{padding:1.5rem}

/* Themes */
.theme-grid{display:flex;flex-wrap:wrap;gap:.5rem}
.theme-option{display:flex;flex-direction:column;align-items:center;gap:.3rem;padding:.5rem;border-radius:var(--radius-sm);border:2px solid transparent;cursor:pointer;transition:all .15s}
.theme-option:hover,.theme-option.selected{border-color:var(--primary);background:#f5f3ff}
.theme-option input{display:none}
.theme-swatch{width:36px;height:36px;border-radius:50%;display:block}
.theme-name{font-size:.7rem;font-weight:600;color:var(--gray-600)}

/* Toggle row */
.toggle-row{display:flex;flex-wrap:wrap;gap:1rem}
.toggle-label{display:flex;align-items:center;gap:.5rem;font-size:.875rem;cursor:pointer;font-weight:500}
.toggle-label input{width:16px;height:16px;cursor:pointer;accent-color:var(--primary)}

/* Block type chooser */
.block-type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;padding:1rem}
@media(max-width:500px){.block-type-grid{grid-template-columns:repeat(2,1fr)}}
.block-type-btn{display:flex;flex-direction:column;align-items:center;gap:.35rem;padding:.9rem .5rem;border-radius:var(--radius-sm);border:1.5px solid var(--gray-200);background:#fff;cursor:pointer;transition:all .15s;text-align:center}
.block-type-btn:hover{border-color:var(--primary);background:#f5f3ff;transform:translateY(-2px)}
.bt-icon{font-size:1.6rem}.bt-label{font-size:.85rem;font-weight:700;color:var(--gray-800)}.bt-sub{font-size:.7rem;color:var(--gray-400)}

/* Blocks manager */
.blocks-manager{display:grid;grid-template-columns:repeat(var(--cols,3),1fr);gap:1rem}
.blocks-col{background:var(--gray-50);border-radius:var(--radius-sm);padding:.75rem;display:flex;flex-direction:column;gap:.5rem}
.blocks-col-header{font-size:.8rem;font-weight:700;color:var(--gray-600);padding:.25rem .5rem;display:flex;align-items:center;gap:.5rem}
.col-drag-handle,.drag-handle{cursor:grab;color:var(--gray-400);font-size:1rem}
.col-drag-handle:active,.drag-handle:active{cursor:grabbing}
.block-manager-item{background:#fff;border-radius:var(--radius-sm);padding:.75rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.5rem;transition:box-shadow .15s}
.block-manager-item:hover{box-shadow:0 4px 12px rgba(0,0,0,.1)}
.sortable-ghost{opacity:.4;background:#e0e7ff !important}
.sortable-drag{box-shadow:var(--shadow-lg) !important}
.bmi-top{display:flex;align-items:center;gap:.5rem}.bmi-icon{font-size:1.2rem}
.bmi-info strong{font-size:.875rem;display:block}.bmi-type{font-size:.75rem;color:var(--gray-400)}
.bmi-actions{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap}
.btn-add-in-col{margin-top:.25rem;padding:.4rem;width:100%;border:1.5px dashed var(--gray-200);border-radius:var(--radius-sm);background:transparent;cursor:pointer;font-size:.8rem;color:var(--gray-400);transition:all .15s}
.btn-add-in-col:hover{border-color:var(--primary);color:var(--primary);background:#f5f3ff}

/* Rich editor */
.toolbar{display:flex;flex-wrap:wrap;gap:.25rem;padding:.4rem;background:var(--gray-50);border:1.5px solid var(--gray-200);border-bottom:none;border-radius:var(--radius-sm) var(--radius-sm) 0 0}
.tb-btn{padding:.25rem .5rem;border:1px solid var(--gray-200);border-radius:4px;background:#fff;cursor:pointer;font-size:.85rem}.tb-btn:hover{background:var(--gray-100)}
.tb-sep{color:var(--gray-200);padding:0 .2rem;align-self:center}

/* Recorder */
.recorder-ui{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.rec-timer{font-size:1.25rem;font-weight:800;font-variant-numeric:tabular-nums;color:var(--danger)}

/* Stats table */
.stats-table-wrap{overflow-x:auto}
.stats-table{width:100%;border-collapse:collapse;font-size:.875rem}
.stats-table th,.stats-table td{padding:.65rem 1rem;text-align:left;border-bottom:1px solid var(--gray-100)}
.stats-table th{font-weight:700;color:var(--gray-600);background:var(--gray-50)}
.stats-table tr:last-child td{border-bottom:none}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}
.modal{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:500px;max-height:90vh;overflow-y:auto}
.modal-wide{max-width:760px}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--gray-100)}
.modal-header h3{font-size:1rem;font-weight:700}
.modal-close{background:none;border:none;font-size:1.25rem;cursor:pointer;color:var(--gray-400);line-height:1}.modal-close:hover{color:var(--gray-800)}
.modal form{padding:1.25rem 1.5rem;display:flex;flex-direction:column;gap:1rem}
.modal-actions{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid var(--gray-100)}

/* Pad form */
.pad-form{display:flex;flex-direction:column;gap:1rem}

/* ═══ v3 ADDITIONS ═══════════════════════════════════════════════════════════ */

/* Private block */
.block-private { opacity: .85; }
.block-private .block-header { background: repeating-linear-gradient(45deg,rgba(0,0,0,.03),rgba(0,0,0,.03) 4px,transparent 4px,transparent 8px); }
.private-badge { font-size: .75rem; }
.submitted-badge { font-size: .7rem; background: #ede9fe; color: #6d28d9; border-radius: 999px; padding: .1rem .5rem; }
.block-header-right { display:flex; align-items:center; gap:.3rem; margin-left:auto; }

/* FAB student button */
.fab-add { position:fixed; bottom:2rem; right:2rem; width:56px; height:56px; border-radius:50%; background:var(--accent,var(--primary)); color:#fff; font-size:1.75rem; border:none; cursor:pointer; box-shadow:0 4px 16px rgba(0,0,0,.25); display:flex; align-items:center; justify-content:center; z-index:200; transition:transform .15s,box-shadow .15s; }
.fab-add:hover { transform:scale(1.1); box-shadow:0 6px 24px rgba(0,0,0,.3); }

/* QR / share */
.share-url-box input { padding:.5rem; border:1.5px solid var(--gray-200); border-radius:var(--radius-sm); font-size:.85rem; }
#qrcode img,.qrcode canvas { border-radius:8px; }

/* Contribution mode selector */
.mode-selector { display:flex; flex-direction:column; gap:.5rem; }
.mode-option { display:flex; align-items:flex-start; gap:.75rem; padding:.9rem 1rem; border-radius:var(--radius-sm); border:2px solid var(--gray-200); cursor:pointer; transition:all .15s; }
.mode-option:hover { border-color:var(--primary); }
.mode-option.selected { border-color:var(--primary); background:#f5f3ff; }
.mode-option input { margin-top:.2rem; accent-color:var(--primary); }
.mode-option-body strong { font-size:.875rem; display:block; }
.mode-option-body small { font-size:.8rem; color:var(--gray-400); }

/* Pending badge */
.badge-pending { background:#fef3c7; color:#92400e; }
.dot-badge { display:inline-block; background:var(--danger); color:#fff; border-radius:999px; font-size:.7rem; padding:0 .4rem; margin-left:.25rem; }

/* Pending moderation panel */
.pending-item { background:#fff; border-radius:var(--radius-sm); padding:1rem; box-shadow:var(--shadow); border-left:4px solid var(--warning); margin-bottom:.75rem; }
.pending-meta { font-size:.8rem; color:var(--gray-400); margin-bottom:.4rem; }
.pending-meta strong { color:var(--gray-800); }
.pending-content { font-size:.875rem; background:var(--gray-50); border-radius:6px; padding:.5rem; margin:.4rem 0; white-space:pre-wrap; word-break:break-word; }
.pending-actions { display:flex; gap:.5rem; margin-top:.5rem; }

/* Link preview */
.link-preview-box { margin:.5rem 0; }
.preview-card { display:flex; gap:.75rem; padding:.75rem; background:var(--gray-50); border-radius:var(--radius-sm); border:1.5px solid var(--gray-200); }
.preview-card img { width:80px; height:60px; object-fit:cover; border-radius:4px; flex-shrink:0; }
.preview-card strong { font-size:.875rem; display:block; }
.preview-card p { font-size:.8rem; color:var(--gray-400); margin:.2rem 0 0; }

/* Link block with preview image */
.link-preview-img { width:100%; max-height:140px; object-fit:cover; border-radius:var(--radius-sm) var(--radius-sm) 0 0; margin-bottom:.5rem; display:block; }

/* Contribution mode badge in header */
.mode-badge { font-size:.75rem; padding:.2rem .6rem; border-radius:999px; background:rgba(0,0,0,.08); }

.btn-warning { background: var(--warning); color: #fff; border-color: var(--warning); }

/* ─── Inline editing ──────────────────────────────────────────────────────── */
.block-editable .block-body:hover { outline: 2px dashed rgba(99,102,241,.3); outline-offset: 2px; border-radius: 4px; }
.inline-edit-bar { padding: .3rem .75rem .5rem; border-top: 1px dashed var(--gray-200); background: rgba(99,102,241,.04); }
.block-text-content.editing { outline: 2px solid var(--primary); border-radius: 4px; padding: .5rem; background: #fffdf0; min-height: 40px; }
.block-text-content[contenteditable="true"] { cursor: text; }
.btn-xs { padding: .2rem .5rem; font-size: .75rem; border-radius: 4px; }

/* ═══ v5 ADDITIONS ══════════════════════════════════════════════════════════ */

/* Collaborative block redesign */
.collab-block { display:flex; flex-direction:column; gap:.5rem; }
.collab-header { display:flex; align-items:center; gap:.5rem; padding:.4rem .6rem; background:linear-gradient(135deg,#ede9fe,#e0f2fe); border-radius:8px; }
.collab-icon { font-size:1.2rem; }
.collab-label { font-size:.8rem; font-weight:700; color:#5b21b6; flex:1; }
.collab-status { font-size:.72rem; color:#6d28d9; background:rgba(109,40,217,.1); padding:.15rem .5rem; border-radius:999px; white-space:nowrap; }
.collab-editor { width:100%; min-height:160px; padding:.75rem; border:1.5px solid #ddd6fe; border-radius:8px; font-size:.9rem; font-family:var(--font); resize:vertical; transition:border-color .2s; background:#fefefe; }
.collab-editor:focus { outline:none; border-color:#7c3aed; box-shadow:0 0 0 3px rgba(124,58,237,.12); }
.collab-footer { display:flex; justify-content:space-between; align-items:center; }
.collab-saved { font-size:.72rem; color:var(--gray-400); }
.collab-users { font-size:.72rem; color:#7c3aed; }

/* Block actions bar (edit/delete for open_editable) */
.block-actions-bar { display:flex; gap:.4rem; padding:.4rem .75rem; border-top:1px dashed var(--gray-200); background:rgba(0,0,0,.02); }
.bab-btn { background:none; border:1px solid var(--gray-200); border-radius:6px; padding:.25rem .6rem; cursor:pointer; font-size:.8rem; transition:all .15s; }
.bab-btn:hover { background:var(--gray-100); border-color:var(--gray-400); }
.bab-delete:hover { background:#fef2f2; border-color:#fecaca; color:var(--danger); }

/* Drag handle for students */
.drag-handle-student { cursor:grab; color:var(--gray-400); font-size:1.1rem; padding:0 .2rem; }
.drag-handle-student:active { cursor:grabbing; }

/* Column add button */
.col-add-btn { width:100%; padding:.6rem; border:2px dashed var(--gray-200); border-radius:var(--radius-sm); background:transparent; cursor:pointer; font-size:1.4rem; color:var(--gray-400); font-weight:300; transition:all .2s; margin-top:.25rem; }
.col-add-btn:hover { border-color:var(--accent,var(--primary)); color:var(--accent,var(--primary)); background:rgba(99,102,241,.05); }

/* Student modal block type grid - 3 cols */
#student-modal .block-type-grid { grid-template-columns:repeat(3,1fr); }

/* Needs re-upload badge */
.needs-reupload-badge { display:block; padding:.5rem .75rem; background:#fef3c7; border:1.5px solid #fde68a; border-radius:6px; font-size:.8rem; color:#92400e; margin-top:.5rem; }

/* Image with ext_url */
.block-image img[src=""] { display:none; }

/* Import page stats */
.import-preview-list { max-height:300px; overflow-y:auto; border:1.5px solid var(--gray-200); border-radius:8px; }
.import-preview-list .item { display:flex; align-items:center; gap:.5rem; padding:.4rem .75rem; border-bottom:1px solid var(--gray-50); font-size:.875rem; }
.import-preview-list .item:last-child { border-bottom:none; }

/* ═══ v6 – EDITOR TOOLBAR ENHANCEMENTS ══════════════════════════════════════ */
.tb-select { padding:.2rem .4rem; border:1px solid var(--gray-200); border-radius:4px; font-size:.82rem; background:#fff; cursor:pointer; height:28px; }
.tb-select:focus { outline:none; border-color:var(--primary); }

.tb-color-group { display:inline-flex; align-items:center; gap:3px; vertical-align:middle; }
.tb-color-swatch { width:18px; height:18px; border-radius:50%; border:2px solid rgba(0,0,0,.15); cursor:pointer; transition:transform .1s,box-shadow .1s; padding:0; flex-shrink:0; }
.tb-color-swatch:hover { transform:scale(1.3); box-shadow:0 2px 6px rgba(0,0,0,.3); }

.tb-emoji-trigger { font-size:1rem; padding:.2rem .4rem; }
.tb-emoji-panel {
  position:absolute; top:100%; left:0; z-index:500;
  display:flex; flex-wrap:wrap; gap:3px;
  background:#fff; border:1.5px solid var(--gray-200); border-radius:8px;
  padding:.5rem; box-shadow:var(--shadow-lg);
  width:220px; margin-top:4px;
}
.tb-emoji-btn { background:none; border:none; font-size:1.2rem; cursor:pointer; padding:.2rem .3rem; border-radius:4px; transition:background .1s; }
.tb-emoji-btn:hover { background:var(--gray-100); }

/* ═══ v6 – BLOCK EXPAND BUTTON ══════════════════════════════════════════════ */
.block-expand-btn {
  background:none; border:none; cursor:pointer; font-size:.85rem;
  color:var(--gray-400); padding:.1rem .3rem; border-radius:4px;
  transition:all .15s; margin-left:.25rem; flex-shrink:0;
}
.block-expand-btn:hover { background:var(--gray-100); color:var(--gray-800); transform:scale(1.2); }

/* ═══ v6 – ZOOM MODAL ════════════════════════════════════════════════════════ */
#zoom-modal { display:none; position:fixed; inset:0; z-index:2000; }
#zoom-modal.open { display:block; }
body.zoom-open { overflow:hidden; }

#zm-overlay { position:absolute; inset:0; background:rgba(0,0,0,.65); }

#zm-window {
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:min(92vw,1100px); height:min(90vh,800px);
  background:#fff; border-radius:var(--radius); box-shadow:0 20px 60px rgba(0,0,0,.4);
  display:flex; flex-direction:column; overflow:hidden;
}
#zm-window.zm-fullscreen { width:100vw; height:100vh; top:0; left:0; transform:none; border-radius:0; }

#zm-topbar {
  display:flex; align-items:center; justify-content:space-between;
  padding:.5rem 1rem; background:var(--gray-800); color:#fff; flex-shrink:0; gap:.5rem;
}
#zm-title { font-size:.9rem; font-weight:600; flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
#zm-controls { display:flex; gap:.3rem; flex-shrink:0; }

.zm-btn {
  background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.2);
  color:#fff; border-radius:6px; padding:.3rem .55rem;
  cursor:pointer; font-size:.85rem; transition:background .15s; line-height:1;
}
.zm-btn:hover { background:rgba(255,255,255,.25); }
.zm-btn:disabled { opacity:.35; cursor:not-allowed; }

#zm-viewport {
  flex:1; overflow:hidden; cursor:grab; position:relative;
  background:var(--gray-50);
}
#zm-viewport:active { cursor:grabbing; }

#zm-inner {
  padding:2rem; transform-origin:top center;
  transition:transform .05s linear;
  min-height:100%;
  /* Allow scrolling inside if content is taller than viewport */
}

/* Content inside zoom — scale images/pdfs to fit */
#zm-inner img { max-width:100%; height:auto; display:block; border-radius:4px; }
#zm-inner .pdf-preview iframe { width:100%; height:600px; }
#zm-inner .yt-wrap { position:relative; padding-bottom:56.25%; height:0; }
#zm-inner .yt-wrap iframe { position:absolute; inset:0; width:100%; height:100%; }
#zm-inner audio { width:100%; }
#zm-inner .block-text-content { font-size:1.1rem; line-height:1.75; }
#zm-inner .collab-editor { min-height:300px; }

/* ═══ v6 – FLOATING COMMENT PANEL ═══════════════════════════════════════════ */
#float-comments {
  position:fixed; z-index:3000;
  width:340px; max-height:500px;
  background:#fff; border-radius:var(--radius); box-shadow:0 8px 32px rgba(0,0,0,.3);
  display:flex; flex-direction:column; overflow:hidden;
  border:2px solid var(--primary);
  /* Default position — JS moves it */
  top:80px; right:24px;
}

#fc-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:.6rem 1rem; background:var(--primary); color:#fff;
  cursor:move; user-select:none; flex-shrink:0;
}
#fc-title { font-size:.875rem; font-weight:700; }
#fc-controls { display:flex; gap:.3rem; }
#fc-controls button { background:rgba(255,255,255,.2); border:none; color:#fff; border-radius:4px; padding:.2rem .5rem; cursor:pointer; font-size:.8rem; }
#fc-controls button:hover { background:rgba(255,255,255,.35); }

#fc-body { display:flex; flex-direction:column; flex:1; overflow:hidden; }

#fc-list {
  flex:1; overflow-y:auto; padding:.75rem 1rem;
  max-height:240px; display:flex; flex-direction:column; gap:.5rem;
}
.fc-comment { background:var(--gray-50); border-radius:6px; padding:.5rem .75rem; }
.fc-comment strong { font-size:.8rem; color:var(--primary); }
.fc-comment .fc-time { font-size:.72rem; color:var(--gray-400); margin-left:.4rem; }
.fc-comment p { font-size:.85rem; margin-top:.2rem; white-space:pre-wrap; word-break:break-word; }
.fc-empty { color:var(--gray-400); font-size:.85rem; text-align:center; padding:.5rem; }

#fc-form { padding:.75rem 1rem; border-top:1px solid var(--gray-100); display:flex; flex-direction:column; gap:.5rem; flex-shrink:0; }
#fc-author { padding:.4rem .6rem; border:1.5px solid var(--gray-200); border-radius:6px; font-size:.82rem; }
#fc-content { padding:.4rem .6rem; border:1.5px solid var(--gray-200); border-radius:6px; font-size:.85rem; resize:vertical; font-family:var(--font); }
#fc-author:focus, #fc-content:focus { outline:none; border-color:var(--primary); }

/* ═══ v6 – DUPLICATE MODAL (already uses .modal styles, just small extras) ═ */
#dup-modal .modal { animation: fadeInUp .2s ease; }
@keyframes fadeInUp { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:none; } }

/* ═══ v7 – SIDEBAR ═══════════════════════════════════════════════════════════ */
.pad-sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; width: 52px; z-index: 300;
  background: #1e293b; display: flex; flex-direction: column;
  align-items: center; padding: .5rem 0; gap: .25rem;
  box-shadow: 2px 0 8px rgba(0,0,0,.2);
}
.sb-btn {
  width: 40px; height: 40px; border-radius: 8px; border: none;
  background: rgba(255,255,255,.08); color: #fff; cursor: pointer;
  font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
  transition: background .15s, transform .1s; flex-shrink: 0;
}
.sb-btn:hover { background: rgba(255,255,255,.2); transform: scale(1.08); }
.sb-btn.sb-btn-active { background: var(--primary); }
.sb-btn.sb-admin { background: rgba(99,102,241,.25); }
.sb-btn.sb-admin:hover { background: rgba(99,102,241,.5); }
.sb-btn.sb-key { background: rgba(251,191,36,.2); }
.sb-btn.sb-key:hover { background: rgba(251,191,36,.4); }
.sb-btn.sb-admin-logout { background: rgba(239,68,68,.2); }
.sb-btn.sb-admin-logout:hover { background: rgba(239,68,68,.4); }
.sb-sep { width: 28px; height: 1px; background: rgba(255,255,255,.1); margin: .2rem 0; }

/* Shift main content right */
.pad-main { margin-left: 52px; display: flex; flex-direction: column; min-height: 100vh; }

/* ─── Top bar ─────────────────────────────────────────────────────────────── */
.pad-topbar {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem 1.25rem; background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; z-index: 100; flex-shrink: 0;
}
.ptb-left  { display: flex; align-items: center; gap: .5rem; flex: 1; min-width: 0; }
.ptb-title { font-size: 1rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 0; }
.ptb-desc  { font-size: .8rem; color: var(--gray-400); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ptb-center{ flex: 1; display: flex; justify-content: center; }
.ptb-right { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }
.admin-badge { font-size: .75rem; background: #ede9fe; color: #6d28d9; padding: .2rem .6rem; border-radius: 999px; font-weight: 600; }
.search-box { display: flex; align-items: center; gap: .4rem; }
.search-box input { padding: .4rem .8rem; border: 1.5px solid var(--gray-200); border-radius: 20px; font-size: .875rem; width: 240px; outline: none; }
.search-box input:focus { border-color: var(--primary); }
.search-box button { background: none; border: none; cursor: pointer; font-size: .9rem; color: var(--gray-400); }

/* ─── Column header ───────────────────────────────────────────────────────── */
.col-header {
  display: flex; align-items: center; gap: .3rem; padding: .4rem .6rem;
  background: rgba(255,255,255,.5); border-radius: var(--radius-sm);
  margin-bottom: .5rem; min-height: 36px;
}
.col-title { flex: 1; font-size: .8rem; font-weight: 700; color: rgba(0,0,0,.5); text-transform: uppercase; letter-spacing: .05em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.col-eye-btn { background: none; border: none; cursor: pointer; font-size: .85rem; color: rgba(0,0,0,.3); padding: .1rem .2rem; border-radius: 4px; }
.col-eye-btn:hover { background: rgba(0,0,0,.08); color: rgba(0,0,0,.7); }
.col-add-btn { background: none; border: 1.5px dashed rgba(0,0,0,.2); border-radius: 4px; cursor: pointer; padding: .1rem .4rem; font-size: .9rem; color: rgba(0,0,0,.3); transition: all .15s; }
.col-add-btn:hover { border-color: var(--accent, var(--primary)); color: var(--accent, var(--primary)); background: rgba(99,102,241,.05); }

/* ─── Block toolbar (bottom of block) ────────────────────────────────────── */
.block-toolbar {
  display: flex; align-items: center; gap: .3rem; padding: .4rem .75rem;
  border-top: 1px solid rgba(0,0,0,.06); background: rgba(0,0,0,.02);
  flex-wrap: wrap;
}
.btb-btn {
  background: none; border: 1px solid rgba(0,0,0,.1); border-radius: 6px;
  padding: .25rem .5rem; cursor: pointer; font-size: .82rem;
  transition: all .15s; position: relative;
}
.btb-btn:hover { background: var(--gray-100); border-color: var(--gray-400); }
.btb-badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--danger); color: #fff; border-radius: 999px;
  font-size: .6rem; padding: 0 .3rem; min-width: 14px; line-height: 14px; text-align: center;
}
.btb-badge-annot { background: #f59e0b; }
.btb-annot-filled { border-color: #f59e0b; background: #fef9ec; }
.btb-locked { border-color: #fbbf24; background: #fef9ec; }
.btb-stars { flex: 1; justify-content: flex-start; }
.btb-delete-admin:hover { background: #fef2f2; border-color: #fecaca; color: var(--danger); }
.btb-del-request:hover { background: #fef9ec; border-color: #fde68a; color: #92400e; }
.btb-del-requested-active { background: #fef9ec; border-color: #fde68a; color: #92400e; }
.btb-restore:hover { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }

/* ─── Block states ────────────────────────────────────────────────────────── */
.block-del-requested { opacity: .25; position: relative; }
.del-req-overlay {
  position: absolute; inset: 0; background: repeating-linear-gradient(45deg,rgba(239,68,68,.08),rgba(239,68,68,.08) 4px,transparent 4px,transparent 10px);
  border-radius: inherit; pointer-events: none; z-index: 2;
}
.hidden-block { display: none !important; }

/* ─── Private notes panel ─────────────────────────────────────────────────── */
.notes-panel {
  position: fixed; left: 52px; top: 0; bottom: 0; width: 280px;
  background: #fffef0; border-right: 2px solid #fbbf24;
  display: flex; flex-direction: column; z-index: 200;
  box-shadow: 4px 0 16px rgba(0,0,0,.1);
}
.notes-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem; background: #fbbf24; color: #1e293b; font-weight: 700; font-size: .875rem;
}
.notes-panel-header button { background: none; border: none; cursor: pointer; font-size: 1rem; }
.notes-editor {
  flex: 1; padding: 1rem; outline: none; font-size: .9rem; line-height: 1.65;
  overflow-y: auto; font-family: var(--font);
}
.notes-footer { padding: .5rem 1rem; border-top: 1px solid #fde68a; font-size: .75rem; color: #92400e; }

/* ─── Annotation floating panel ───────────────────────────────────────────── */
.float-panel {
  position: fixed; z-index: 2500;
  width: 360px; max-height: 560px;
  background: #fff; border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
  display: flex; flex-direction: column; overflow: hidden;
}
.annot-panel { border: 2px solid #f59e0b; }
.fp-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .6rem 1rem; background: #f59e0b; color: #1e293b;
  cursor: move; user-select: none; flex-shrink: 0; font-size: .875rem; font-weight: 700;
}
.fp-controls { display: flex; gap: .3rem; }
.fp-controls button { background: rgba(0,0,0,.15); border: none; border-radius: 4px; padding: .2rem .45rem; cursor: pointer; font-size: .8rem; color: #1e293b; }
.fp-controls button:hover { background: rgba(0,0,0,.25); }
#annot-body { display: flex; flex-direction: column; flex: 1; overflow: hidden; }
.annot-display {
  padding: .75rem 1rem; overflow-y: auto; max-height: 220px;
  font-size: .9rem; line-height: 1.65; border-bottom: 1px solid var(--gray-100);
}
.annot-display:empty { display: none; }
.annot-empty { color: var(--gray-400); font-size: .85rem; font-style: italic; }
.annot-edit-zone { display: flex; flex-direction: column; flex: 1; padding: .5rem; gap: .5rem; }
.annot-editor {
  flex: 1; min-height: 100px; padding: .6rem; border: 1.5px solid #fde68a;
  border-radius: 6px; font-size: .875rem; outline: none; font-family: var(--font);
  overflow-y: auto; line-height: 1.6;
}
.annot-editor:focus { border-color: #f59e0b; box-shadow: 0 0 0 3px rgba(245,158,11,.15); }
.annot-edit-footer { display: flex; align-items: center; gap: .75rem; }
.annot-readonly-note { padding: .75rem 1rem; font-size: .8rem; color: var(--gray-400); font-style: italic; }

/* ─── Admin badge on top bar ─────────────────────────────────────────────── */
.is-pad-admin .pad-topbar { border-bottom-color: #a78bfa; }

/* ─── Move mode visual ────────────────────────────────────────────────────── */
.move-mode .drag-handle-admin { opacity: 1 !important; color: var(--primary) !important; cursor: grab; }
.move-mode .col-move-handle   { opacity: 1 !important; color: var(--primary) !important; cursor: grab; }
.drag-handle-admin, .col-move-handle { opacity: 0; transition: opacity .2s; }
.move-mode .block { cursor: default; }
.move-mode .block:hover { box-shadow: 0 0 0 2px var(--primary); }

/* ─── Block header adjustments ────────────────────────────────────────────── */
.block { position: relative; }

/* ═══ v8 – LOGO IN SIDEBAR ═══════════════════════════════════════════════════ */
.sb-logo {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%; overflow: hidden;
  margin: .25rem 0; flex-shrink: 0; border: 2px solid rgba(255,255,255,.2);
  transition: border-color .2s, transform .15s;
}
.sb-logo:hover { border-color: rgba(255,255,255,.6); transform: scale(1.08); }
.sb-logo img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Also add logo to login pages */
.access-logo img {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  object-fit: contain;
  margin-bottom: .75rem;
}

/* ═══ v8 – CUSTOM SCROLLBARS ═════════════════════════════════════════════════ */
/* WebKit browsers */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(148,163,184,.5);
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,.4);
}
::-webkit-scrollbar-thumb:hover { background: rgba(148,163,184,.8); }
/* On dark backgrounds, make scrollbar more visible */
.page-pad ::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,.35);
  border: 1px solid rgba(255,255,255,.6);
}
.page-pad ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.6); }
/* Pad columns scrollable */
.pad-col { overflow-y: auto; max-height: calc(100vh - 140px); padding-bottom: 1rem; }
.pad-grid { overflow-x: auto; padding-bottom: .5rem; }
.pad-grid::-webkit-scrollbar-thumb { border: 1px solid rgba(255,255,255,.5); }

/* ═══ v8 – OUTLINE PANEL ════════════════════════════════════════════════════ */
.outline-panel {
  position: fixed; left: 52px; top: 0; bottom: 0; width: 300px;
  background: #fff; border-right: 2px solid var(--gray-200);
  display: flex; flex-direction: column; z-index: 250;
  box-shadow: 4px 0 16px rgba(0,0,0,.1);
}
.outline-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem; background: var(--gray-800); color: #fff;
  font-size: .875rem; font-weight: 700; flex-shrink: 0;
}
.outline-header button { background: none; border: none; color: rgba(255,255,255,.7); cursor: pointer; font-size: 1rem; }
.outline-header button:hover { color: #fff; }
.outline-body { flex: 1; overflow-y: auto; padding: .5rem 0; }

.ol-section { border-bottom: 1px solid var(--gray-100); }
.ol-col-header {
  display: flex; align-items: center; gap: .4rem;
  padding: .5rem .75rem; cursor: pointer; background: var(--gray-50);
  font-size: .8rem; font-weight: 700; color: var(--gray-800); user-select: none;
}
.ol-col-header:hover { background: var(--gray-100); }
.ol-col-arrow { color: var(--gray-400); font-size: .7rem; transition: transform .15s; }
.ol-col-title { flex: 1; text-transform: uppercase; letter-spacing: .04em; }
.ol-col-count { background: var(--gray-200); color: var(--gray-600); border-radius: 999px; padding: .1rem .4rem; font-size: .7rem; }

.ol-block-list { padding: .25rem 0; }
.ol-block-item {
  display: flex; align-items: center; gap: .4rem;
  padding: .35rem .75rem .35rem 1.5rem; cursor: pointer;
  font-size: .82rem; color: var(--gray-700); transition: background .1s;
}
.ol-block-item:hover { background: var(--gray-50); }
.ol-block-icon { font-size: .85rem; flex-shrink: 0; }
.ol-block-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ol-priv  { font-size: .7rem; color: var(--gray-400); }
.ol-vis   { font-size: .7rem; color: var(--gray-400); }
.ol-hidden { opacity: .5; font-style: italic; }
.ol-del-req { color: var(--danger); opacity: .5; }

/* Highlight on scroll-to */
@keyframes olHighlight {
  0%   { box-shadow: 0 0 0 3px rgba(99,102,241,.8); }
  100% { box-shadow: none; }
}
.ol-highlight { animation: olHighlight 1.8s ease-out; }

/* ═══ v8 – WHITEBOARD BLOCK ══════════════════════════════════════════════════ */
.whiteboard-block { display: flex; flex-direction: column; overflow: hidden; }

.wb-toolbar {
  display: flex; align-items: center; gap: .25rem; flex-wrap: wrap;
  padding: .4rem .5rem; background: var(--gray-800); flex-shrink: 0;
}
.wb-tool {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
  color: #fff; border-radius: 5px; padding: .25rem .4rem;
  cursor: pointer; font-size: .8rem; transition: background .1s;
}
.wb-tool:hover  { background: rgba(255,255,255,.25); }
.wb-tool.active { background: var(--primary); border-color: var(--primary); }
.wb-sep { width: 1px; height: 20px; background: rgba(255,255,255,.2); margin: 0 .15rem; flex-shrink: 0; }
.wb-color {
  width: 28px; height: 28px; border: none; border-radius: 5px;
  cursor: pointer; padding: 0; background: none;
  border: 2px solid rgba(255,255,255,.3);
}
.wb-size {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  color: #fff; border-radius: 5px; padding: .2rem .3rem;
  font-size: .78rem; cursor: pointer;
}
.wb-action {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
  color: #fff; border-radius: 5px; padding: .25rem .4rem;
  cursor: pointer; font-size: .8rem;
}
.wb-action:hover { background: rgba(255,255,255,.25); }
.wb-save-status { font-size: .75rem; color: rgba(255,255,255,.7); margin-left: .25rem; }

.wb-canvas {
  display: block; cursor: crosshair;
  touch-action: none; /* needed for stylus/touch */
  width: 100%; height: auto;
}

/* In expanded zoom view, full size */
#zm-inner .whiteboard-block { height: 100%; }
#zm-inner .wb-canvas { height: calc(100% - 48px); width: 100%; }

/* ═══ v9 – TRANSCRIPT BLOCK ════════════════════════════════════════════════ */
.transcript-block { display: flex; flex-direction: column; gap: .75rem; }

.tr-player audio { width: 100%; }
.tr-yt-player    { border-radius: var(--radius-sm); overflow: hidden; }

/* Highlight toolbar */
.tr-hl-toolbar {
  display: flex; align-items: center; gap: .4rem; flex-wrap: wrap;
  padding: .35rem .5rem; background: var(--gray-50);
  border-radius: var(--radius-sm); border: 1px solid var(--gray-200);
}
.tr-hl-color {
  width: 22px; height: 22px; border-radius: 50%; cursor: pointer; border: 2px solid rgba(0,0,0,.12);
  transition: transform .1s; flex-shrink: 0;
}
.tr-hl-color:hover { transform: scale(1.25); }
.tr-hl-hint { font-size: .72rem; color: var(--gray-400); margin-left: .25rem; }

/* Annotation toolbar */
.tr-annot-toolbar {
  display: flex; align-items: center; gap: .25rem; flex-wrap: wrap;
  padding: .3rem .5rem; background: #1e293b; border-radius: var(--radius-sm);
}

/* Transcript wrapper: text + canvas overlay */
.tr-wrapper {
  position: relative;
  border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
  background: #fff;
  padding: 1.25rem 4rem 1.25rem 1.25rem; /* right margin for annotations */
  min-height: 200px;
}

/* Transcript text */
.tr-text {
  font-size: 1.05rem;
  line-height: 2.4;  /* generous line spacing for annotations */
  font-family: Georgia, serif;
  color: #1e293b;
  user-select: text;
  cursor: text;
}
.tr-cue {
  border-radius: 3px; padding: .05em .1em;
  cursor: pointer; transition: background .1s;
  display: inline;
}
.tr-cue:hover       { background: rgba(99,102,241,.15) !important; }
.tr-cue-active      { background: rgba(251,191,36,.5)  !important; font-weight: 600; }

/* Annotation canvas overlay */
.tr-annot-canvas {
  position: absolute; inset: 0;
  border-radius: var(--radius-sm);
  pointer-events: none; /* toggled by toolbar tool */
  touch-action: none;
  z-index: 2;
}

/* ═══ v9 – RICH COMMENT DISPLAY ═══════════════════════════════════════════ */
.comment-html { font-size: .875rem; line-height: 1.6; }
.comment-html b, .comment-html strong { font-weight: 700; }
.comment-html i, .comment-html em     { font-style: italic; }
.comment-html u  { text-decoration: underline; }
.comment-html s  { text-decoration: line-through; }
.comment-html h1 { font-size: 1.1rem; margin: .3rem 0; font-weight: 700; }
.comment-html h2 { font-size: 1rem;   margin: .3rem 0; font-weight: 700; }
.comment-html h3 { font-size: .925rem;margin: .25rem 0;font-weight: 700; }
.comment-html ul, .comment-html ol { margin-left: 1.5rem; margin-top: .2rem; }
.comment-html p  { margin: .2rem 0; }
.comment-html a  { color: var(--primary); text-decoration: underline; }

/* Contenteditable placeholder */
[contenteditable][data-placeholder]:empty::before {
  content: attr(data-placeholder);
  color: var(--gray-400); pointer-events: none;
}

/* ═══ v9 – ANNOTATION PANEL IMPROVEMENTS ══════════════════════════════════ */
.annot-display { line-height: 1.7; }
.annot-display b, .annot-display strong { font-weight: 700; }
.annot-display i, .annot-display em     { font-style: italic; }
.annot-display u  { text-decoration: underline; }
.annot-display s  { text-decoration: line-through; }
.annot-display h1 { font-size: 1.1rem; margin: .3rem 0; font-weight: 700; }
.annot-display h2 { font-size: 1rem;   margin: .3rem 0; font-weight: 700; }
.annot-display h3 { font-size: .9rem;  margin: .25rem 0; font-weight: 700; }
.annot-display ul, .annot-display ol { margin-left: 1.4rem; }
.annot-display p  { margin: .2rem 0; }