/* Extracted from dashboard.html to keep page markup maintainable. */
:root{
    --bg:#0a0a0f;
    --card:#14141e;
    --card-bg:rgba(20,20,30,0.74);
    --card-bg-strong:rgba(20,20,30,0.9);
    --card-border:rgba(255,255,255,0.08);
    --card-hover:#191924;
    --border:rgba(255,255,255,0.08);
    --panel:rgba(255,255,255,0.035);
    --panel-strong:rgba(255,255,255,0.06);
    --ring:rgba(99,102,241,0.26);
    --shadow-soft:0 14px 38px rgba(0,0,0,0.28);
    --shadow-strong:0 24px 70px rgba(0,0,0,0.4);
    --radius-card:18px;
    --radius-panel:12px;
    --text:#f4f4f7;
    --text-dim:#9a9aab;
    --text-faint:#5c5c6e;
    --indigo:#6366f1;
    --purple:#a855f7;
    --green:#22c55e;
    --red:#ef4444;
    --error:#f87171;
    --ok:#4ade80;
    --success:#22c55e;
    --yellow:#eab308;
    --blue:#3b82f6;
    --input-bg:#0d0d15;
  }
  [data-theme="light"]{
    --bg:#f4f4f8;
    --card:#ffffff;
    --card-bg:rgba(255,255,255,0.82);
    --card-bg-strong:rgba(255,255,255,0.94);
    --card-border:rgba(20,20,30,0.08);
    --card-hover:#f0f0f5;
    --border:rgba(20,20,30,0.08);
    --panel:rgba(20,20,30,0.035);
    --panel-strong:rgba(20,20,30,0.055);
    --ring:rgba(99,102,241,0.18);
    --shadow-soft:0 14px 38px rgba(20,20,40,0.08);
    --shadow-strong:0 24px 70px rgba(20,20,40,0.12);
    --text:#16161f;
    --text-dim:#5a5a6e;
    --text-faint:#8b8b9c;
    --input-bg:#ffffff;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  body{
    font-family:'Inter', sans-serif;
    background: radial-gradient(circle at 18% 12%, rgba(99,102,241,0.17), transparent 34%),
                radial-gradient(circle at 86% 18%, rgba(168,85,247,0.11), transparent 32%),
                radial-gradient(circle at 45% 88%, rgba(59,130,246,0.08), transparent 36%),
                var(--bg);
    background-attachment:fixed;
    color:var(--text);
    line-height:1.5;
    min-height:100vh;
    padding-bottom:60px;
    transition:background-color .25s, color .25s;
  }
  .wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
  .icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;}
  .icon svg{width:1em;height:1em;}

  /* ENTRANCE ANIMATION */
  @keyframes fadeUp{
    from{opacity:0;transform:translateY(14px);}
    to{opacity:1;transform:translateY(0);}
  }
  main .card{
    animation:fadeUp .5s ease both;
  }
  main .card:nth-of-type(1){animation-delay:.02s;}
  main .card:nth-of-type(2){animation-delay:.08s;}
  main .card:nth-of-type(3){animation-delay:.14s;}
  main .card:nth-of-type(4){animation-delay:.20s;}
  main .card:nth-of-type(5){animation-delay:.26s;}

  /* HEADER */
  header{
    border-bottom:1px solid var(--card-border);
    background:rgba(10,10,15,0.72);
    backdrop-filter:blur(22px);
    -webkit-backdrop-filter:blur(22px);
    box-shadow:0 8px 30px rgba(0,0,0,0.18);
    position:sticky;top:0;z-index:50;
  }
  [data-theme="light"] header{ background:rgba(255,255,255,0.7); }
  header .wrap{
    display:flex;align-items:center;justify-content:space-between;
    min-height:72px;
    gap:18px;
  }
  .logo{
    font-size:22px;font-weight:800;
    background:linear-gradient(90deg,#818cf8,#c084fc);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    display:flex;align-items:center;gap:8px;
    text-decoration:none;
  }
  .logo .icon svg{width:22px;height:22px;}
  .logo .icon path, .logo .icon polygon{fill:url(#logoGrad);}
  .header-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex-wrap:wrap;}
  .credits-badge{
    background:var(--card-bg);border:1px solid var(--card-border);
    padding:8px 14px;border-radius:999px;font-size:14px;font-weight:600;
    display:flex;align-items:center;gap:6px;
    backdrop-filter:blur(12px);
    box-shadow:var(--shadow-soft);
    transition:box-shadow .2s, border-color .2s, background .2s;
    color:var(--yellow);
  }
  [data-theme="light"] .credits-badge{ background:rgba(255,255,255,0.7); }
  .credits-badge span{color:var(--text);}
  .credits-badge.pulse{
    box-shadow:0 0 0 3px rgba(99,102,241,0.3);
  }
  .avatar{
    width:36px;height:36px;border-radius:50%;
    background:linear-gradient(135deg,var(--indigo),var(--purple));
    display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:15px;
    box-shadow:0 8px 24px rgba(99,102,241,0.32);
    overflow:hidden;
    flex-shrink:0;
    border:1px solid rgba(255,255,255,0.18);
    transition:transform .15s ease, box-shadow .2s ease;
  }
  .avatar:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(99,102,241,0.38);}
  .avatar img{width:100%;height:100%;object-fit:cover;}
  .btn{
    border:1px solid transparent;border-radius:var(--radius-panel);padding:10px 18px;min-height:42px;
    font-size:14px;font-weight:600;
    cursor:pointer;transition:background .2s, border-color .2s, color .2s, box-shadow .2s, opacity .2s, transform .12s;font-family:inherit;
    display:inline-flex;align-items:center;gap:8px;justify-content:center;
    text-decoration:none;
  }
  .btn:hover:not(:disabled){transform:translateY(-1px);}
  .btn:active:not(:disabled){transform:translateY(0);}
  .btn:focus-visible,
  .icon-btn:focus-visible,
  .tone-btn:focus-visible,
  .filter-chip:focus-visible,
  .tab:focus-visible,
  .settings-tab:focus-visible,
  .settings-close-btn:focus-visible,
  #scrollTopBtn:focus-visible{
    outline:none;
    box-shadow:0 0 0 3px var(--ring);
  }
  .btn-primary{
    background:linear-gradient(90deg,var(--indigo),var(--purple));color:#fff;
    box-shadow:0 12px 28px rgba(99,102,241,0.24);
  }
  .btn-primary:hover{box-shadow:0 16px 34px rgba(99,102,241,0.3);}
  .btn-primary:disabled,
  .btn-outline:disabled,
  .btn-danger:disabled{opacity:.48;cursor:not-allowed;transform:none;box-shadow:none;}
  .btn-outline{background:var(--panel);border:1px solid var(--card-border);color:var(--text-dim);}
  [data-theme="light"] .btn-outline{background:rgba(0,0,0,0.02);}
  .btn-outline:hover{border-color:rgba(99,102,241,0.52);color:var(--text);background:var(--panel-strong);}
  .btn-danger{background:transparent;border:1px solid rgba(239,68,68,.4);color:var(--error);}
  .btn-danger:hover{background:rgba(239,68,68,.1);}
  .btn-sm{padding:6px 12px;min-height:34px;font-size:13px;border-radius:10px;}
  .icon-btn{
    width:38px;height:38px;border-radius:var(--radius-panel);
    background:var(--panel);border:1px solid var(--card-border);
    color:var(--text-dim);display:flex;align-items:center;justify-content:center;
    cursor:pointer;transition:background .2s, border-color .2s, color .2s, box-shadow .2s, transform .12s;flex-shrink:0;
  }
  [data-theme="light"] .icon-btn{background:rgba(0,0,0,0.02);}
  .icon-btn:hover{border-color:rgba(99,102,241,0.52);color:var(--text);background:var(--panel-strong);transform:translateY(-1px);}
  .icon-btn svg{width:18px;height:18px;}

  main{padding-top:34px;}
  .card{
    background:linear-gradient(180deg, rgba(255,255,255,0.035), transparent 42%), var(--card-bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius-card);
    padding:30px;margin-bottom:24px;
    backdrop-filter:blur(22px);
    -webkit-backdrop-filter:blur(22px);
    box-shadow:var(--shadow-strong), inset 0 1px 0 rgba(255,255,255,0.05);
  }
  [data-theme="light"] .card{
    background:linear-gradient(180deg, rgba(255,255,255,0.74), rgba(255,255,255,0.58)), var(--card-bg);
    box-shadow:var(--shadow-strong), inset 0 1px 0 rgba(255,255,255,0.8);
  }
  .card h2{
    font-size:19px;
    font-weight:700;
    margin-bottom:20px;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    text-align:center;
  }
  .card-head-row{
    display:flex;align-items:center;justify-content:space-between;
    margin-bottom:20px;flex-wrap:wrap;gap:14px;
  }
  .card-head-row h2{margin-bottom:0;}
  .card h2 .icon{
    width:32px;height:32px;border-radius:10px;
    background:linear-gradient(135deg, rgba(99,102,241,0.18), rgba(168,85,247,0.18));
    color:#c4b5fd;
    box-shadow:inset 0 0 0 1px rgba(255,255,255,0.08);
  }
  .card h2 .icon svg{width:17px;height:17px;}

  /* UPLOAD */
  .upload-row{display:flex;gap:12px;align-items:stretch;}
  input[type=text], input[type=password], input[type=email], select, textarea{
    background:linear-gradient(180deg, var(--panel), transparent), var(--input-bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius-panel);padding:12px 16px;min-height:44px;color:var(--text);font-size:14px;font-family:inherit;
    outline:none;transition:border-color 0.2s, box-shadow 0.2s, background .2s, opacity .2s;
  }
  input[type=text], input[type=password], input[type=email]{flex:1;width:100%;box-sizing:border-box;}
  input[type=text]:hover, input[type=password]:hover, input[type=email]:hover, select:hover, textarea:hover{border-color:rgba(255,255,255,0.16);}
  [data-theme="light"] input[type=text]:hover,
  [data-theme="light"] input[type=password]:hover,
  [data-theme="light"] input[type=email]:hover,
  [data-theme="light"] select:hover,
  [data-theme="light"] textarea:hover{border-color:rgba(20,20,30,0.16);}
  input[type=text]:focus, input[type=password]:focus, input[type=email]:focus, select:focus, textarea:focus{border-color:var(--indigo);box-shadow:0 0 0 3px var(--ring);}
  input:disabled, select:disabled, textarea:disabled{opacity:.58;cursor:not-allowed;}

  /* SUB-PANELS (audio / bulk upload) */
  .sub-panel{
    margin-top:18px;padding:18px;
    border:1px solid var(--border);
    border-radius:var(--radius-panel);
    background:linear-gradient(180deg, var(--panel-strong), var(--panel));
    box-shadow:inset 0 1px 0 rgba(255,255,255,0.03);
  }
  .sub-panel-hint{font-size:13px;color:var(--text-dim);margin-bottom:14px;line-height:1.5;}
  .sub-panel-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;}

  .file-picker{
    display:inline-flex;align-items:center;gap:10px;
    background:var(--input-bg);border:1px solid var(--card-border);
    border-radius:var(--radius-panel);padding:6px 6px 6px 8px;
    max-width:100%;
    box-shadow:inset 0 1px 0 rgba(255,255,255,0.03);
  }
  .file-picker-btn{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--panel-strong);border:1px solid var(--card-border);
    border-radius:9px;padding:7px 14px;font-size:13px;font-weight:600;
    color:var(--text);cursor:pointer;white-space:nowrap;transition:border-color .15s,background .15s, box-shadow .15s;
    font-family:inherit;
  }
  .file-picker-btn:hover{border-color:rgba(99,102,241,0.52);background:rgba(99,102,241,0.08);box-shadow:0 0 0 3px var(--ring);}
  .file-picker-btn svg{width:14px;height:14px;flex-shrink:0;}
  .file-picker-name{
    font-size:13px;color:var(--text-dim);
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:220px;padding-right:8px;
  }
  .file-picker-name.has-file{color:var(--text);font-weight:500;}
  .file-picker input[type=file]{display:none;}

  .sub-panel-meta{font-size:13px;color:var(--text-dim);margin-top:10px;}
  .sub-panel-meta.has-content{
    padding:10px 12px;border-radius:var(--radius-panel);background:var(--panel);
    border:1px solid var(--card-border);
  }

  .spinner{
    width:16px;height:16px;border:2px solid rgba(255,255,255,.22);
    border-top-color:var(--indigo);border-radius:50%;
    animation:spin .7s linear infinite;display:inline-block;vertical-align:-3px;
  }
  @keyframes spin{to{transform:rotate(360deg);}}

  .drop-hint{
    font-size:12.5px;color:var(--text-faint);margin-top:10px;line-height:1.6;
  }
  .upload-row.drag-over{
    outline:2px dashed var(--indigo);outline-offset:6px;border-radius:var(--radius-panel);
  }

  .video-preview{
    margin-top:20px;display:none;gap:16px;
    background:linear-gradient(180deg, var(--panel-strong), var(--input-bg));border:1px solid var(--card-border);border-radius:var(--radius-panel);padding:16px;
    animation:fadeUp .35s ease both;position:relative;
    box-shadow:var(--shadow-soft);
  }
  .video-preview.show{display:flex;}
  .vp-audio-icon{
    display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--indigo),var(--purple));
  }
  .video-preview .vp-audio-icon{
    width:160px;height:90px;border-radius:10px;flex-shrink:0;display:none;
  }
  .video-preview img{width:160px;height:90px;object-fit:cover;border-radius:10px;flex-shrink:0;background:#1c1c28;}
  .video-preview.audio-mode img{display:none;}
  .video-preview.audio-mode .vp-audio-icon{display:flex;}
  .video-preview .vp-info{flex:1;min-width:0;}
  .video-preview .vp-info h3{font-size:15px;margin-bottom:8px;}
  .video-preview .vp-excerpt-label{
    font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);margin-bottom:6px;
  }
  .video-preview .vp-excerpt{
    font-size:13.5px;color:var(--text-dim);line-height:1.65;font-style:italic;
    background:var(--panel);border-left:2px solid var(--indigo);
    padding:10px 14px;border-radius:0 10px 10px 0;
    max-height:180px;overflow-y:auto;
  }
  .vp-close{position:absolute;top:10px;right:10px;}

  /* GENERATE */
  #generateSection{display:none;}
  #generateSection.show{display:block;animation:fadeUp .35s ease both;}
  .tone-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
  .tone-btn{
    background:var(--input-bg);border:1px solid var(--card-border);color:var(--text-dim);
    padding:9px 18px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;
    transition:background .2s, border-color .2s, color .2s, box-shadow .2s, transform .12s;font-family:inherit;
  }
  .tone-btn:hover{border-color:rgba(99,102,241,0.52);color:var(--text);background:var(--panel-strong);transform:translateY(-1px);}
  .tone-btn.active{
    background:linear-gradient(90deg,var(--indigo),var(--purple));
    border-color:transparent;color:#fff;
    box-shadow:0 10px 24px rgba(99,102,241,0.22);
  }
  .gen-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;}
  .keywords-row{display:flex;gap:10px;}
  .keywords-row input{flex:1;}

  /* PROGRESS BAR */
  #progressContainer {
    display:none;
    margin-top:18px;
    padding:22px 24px;
    background:linear-gradient(180deg, rgba(99,102,241,0.08), var(--panel));
    border:1px solid var(--card-border);
    border-radius:var(--radius-panel);
    text-align:center;
    box-shadow:var(--shadow-soft), inset 0 1px 0 rgba(255,255,255,0.04);
  }
  #progressContainer.show { display:block; }
  .progress-status {
    font-size:16px;
    font-weight:600;
    color:var(--text);
    margin-bottom:6px;
    display:flex;align-items:center;justify-content:center;gap:8px;
  }
  .progress-sub {
    font-size:13px;
    color:var(--text-dim);
    margin-bottom:12px;
  }
  .progress-bar-track {
    width:100%;
    height:8px;
    background:rgba(255,255,255,0.08);
    border-radius:999px;
    overflow:hidden;
    margin-top:10px;
  }
  [data-theme="light"] .progress-bar-track{ background:#e2e2ec; }
  .progress-bar-fill {
    height:100%;
    width:0%;
    background:linear-gradient(90deg,var(--indigo),var(--purple));
    border-radius:999px;
    transition:width 0.3s ease;
    box-shadow:0 0 18px rgba(99,102,241,0.42);
  }
  .progress-percent {
    font-size:14px;
    font-weight:600;
    color:var(--text-dim);
    margin-top:8px;
  }

  /* CONTENT DISPLAY */
  #contentSection{display:none;}
  #contentSection.show{display:block;animation:fadeUp .35s ease both;}
  .tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:20px;flex-wrap:wrap;}
  .tab{
    background:none;border:none;color:var(--text-dim);padding:10px 16px;
    font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;
    border-bottom:2px solid transparent;transition:color .2s, border-color .2s, background .2s;
    display:inline-flex;align-items:center;gap:6px;
    border-radius:10px 10px 0 0;
  }
  .tab:hover{color:var(--text);background:var(--panel);}
  .tab.active{color:var(--text);border-bottom-color:var(--indigo);}

  .content-box{
    background:linear-gradient(180deg, var(--panel), transparent), var(--input-bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius-panel);
    padding:2rem 2.5rem;
    min-height:150px;
    font-size:16px;
    line-height:1.8;
    color:var(--text);
    max-height:600px;
    overflow-y:auto;
    box-shadow:inset 0 1px 0 rgba(255,255,255,0.03);
  }
  .content-box::-webkit-scrollbar{width:6px;}
  .content-box::-webkit-scrollbar-track{background:transparent;}
  .content-box::-webkit-scrollbar-thumb{background:var(--card-border);border-radius:3px;}
  .content-box h1{font-size:2.2rem;font-weight:800;margin-bottom:1.2rem;line-height:1.3;color:var(--text);letter-spacing:-0.02em;}
  .content-box h2{font-size:1.6rem;font-weight:700;margin-top:2rem;margin-bottom:0.8rem;color:var(--text);}
  .content-box h3{font-size:1.3rem;font-weight:600;margin-top:1.5rem;margin-bottom:0.6rem;color:var(--text);}
  .content-box h4{font-size:1.1rem;font-weight:600;margin-top:1.2rem;margin-bottom:0.5rem;color:var(--text);}
  .content-box p{margin-bottom:1rem;color:var(--text-dim);}
  .content-box ul,.content-box ol{margin:1rem 0 1.5rem 1.5rem;color:var(--text-dim);}
  .content-box li{margin-bottom:0.3rem;}
  .content-box blockquote{border-left:4px solid var(--indigo);padding-left:1.2rem;margin:1.2rem 0;color:var(--text-dim);font-style:italic;}
  .content-box strong{color:var(--text);font-weight:600;}
  .content-box em{color:var(--text-dim);}
  .content-box hr{border:0;border-top:1px solid var(--card-border);margin:1.5rem 0;}
  .content-box a{color:var(--indigo);text-decoration:none;}
  .content-box a:hover{text-decoration:underline;}
  .content-box code{background:rgba(120,120,160,0.15);padding:0.1rem 0.4rem;border-radius:6px;font-family:'Courier New',monospace;font-size:0.9em;color:var(--text);}
  .content-box pre{background:rgba(120,120,160,0.08);padding:1.2rem;border-radius:var(--radius-panel);overflow-x:auto;margin:1rem 0;border:1px solid var(--card-border);color:var(--text-dim);}
  .content-box pre code{background:transparent;padding:0;}
  .content-box .faq-item{margin:0.8rem 0;padding:0.8rem 1rem;background:rgba(120,120,160,0.06);border-radius:var(--radius-panel);border:1px solid var(--card-border);}
  .content-box .faq-item strong{display:block;color:var(--text);margin-bottom:0.3rem;}
  .content-box .faq-item p{margin:0;color:var(--text-dim);}

  .content-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;align-items:center;}
  .blog-meta{
    margin-top:1rem;
    padding-top:1rem;
    border-top:1px solid var(--card-border);
    display:flex;
    gap:0.75rem;
    flex-wrap:wrap;
    font-size:0.85rem;
    color:var(--text-dim);
  }
  .blog-meta span{background:var(--panel);border:1px solid var(--card-border);padding:0.25rem 0.8rem;border-radius:999px;display:inline-flex;align-items:center;gap:6px;}
  .blog-meta span.seo-good{color:var(--green);}
  .blog-meta span.seo-warn{color:var(--yellow);}
  .blog-meta span.seo-bad{color:var(--red);}

  /* HISTORY DROPDOWN */
  .history-wrap{position:relative;}
  .history-panel{
    display:none;position:absolute;top:calc(100% + 8px);right:0;z-index:60;
    background:var(--card-bg-strong);border:1px solid var(--card-border);border-radius:var(--radius-panel);
    width:320px;max-height:340px;overflow-y:auto;padding:8px;
    box-shadow:var(--shadow-strong);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
  }
  .history-panel.show{display:block;}
  .history-item{
    padding:10px 12px;border-radius:10px;cursor:pointer;transition:background .15s, transform .12s;
    display:flex;flex-direction:column;gap:2px;
  }
  .history-item:hover{background:rgba(99,102,241,0.1);transform:translateX(2px);}
  .history-item .h-title{font-size:13px;font-weight:600;color:var(--text);}
  .history-item .h-sub{font-size:11.5px;color:var(--text-faint);}
  .history-empty{padding:16px;text-align:center;font-size:13px;color:var(--text-faint);}

  /* VIDEOS TOOLBAR */
  .videos-toolbar{
    display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px;align-items:center;
    padding:12px;
    border:1px solid var(--card-border);
    border-radius:var(--radius-panel);
    background:var(--panel);
  }
  .videos-toolbar input[type=text]{min-width:180px;flex:1;}
  .videos-toolbar select{cursor:pointer;}
  .filter-chip{
    background:var(--input-bg);border:1px solid var(--card-border);color:var(--text-dim);
    padding:8px 14px;border-radius:999px;font-size:12.5px;font-weight:600;cursor:pointer;
    transition:background .2s, border-color .2s, color .2s, box-shadow .2s, transform .12s;font-family:inherit;white-space:nowrap;
  }
  .filter-chip:hover{border-color:rgba(99,102,241,0.52);color:var(--text);background:var(--panel-strong);transform:translateY(-1px);}
  .filter-chip.active{background:linear-gradient(90deg,var(--indigo),var(--purple));border-color:transparent;color:#fff;box-shadow:0 10px 24px rgba(99,102,241,0.2);}
  .videos-count{font-size:12.5px;color:var(--text-faint);white-space:nowrap;}

  /* VIDEOS GRID */
  .videos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;}
  .video-card{
    background:linear-gradient(180deg, var(--panel), transparent), var(--input-bg);border:1px solid var(--card-border);border-radius:var(--radius-panel);overflow:hidden;
    transition:border-color 0.2s, transform 0.15s, box-shadow .2s;position:relative;
  }
  .video-card:hover{border-color:rgba(99,102,241,0.45);transform:translateY(-2px);box-shadow:0 16px 38px rgba(99,102,241,0.14);}
  .video-card img{width:100%;height:140px;object-fit:cover;background:#1c1c28;}
  .video-card-body{padding:14px;}
  .video-card-body h4{font-size:14px;margin-bottom:8px;line-height:1.4;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .video-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
  .status-badge{font-size:11px;padding:3px 9px;border-radius:12px;font-weight:700;text-transform:capitalize;}
  .status-completed{background:rgba(34,197,94,.15);color:var(--green);border:1px solid rgba(34,197,94,.22);}
  .status-processing{background:rgba(234,179,8,.15);color:var(--yellow);border:1px solid rgba(234,179,8,.22);}
  .status-failed{background:rgba(239,68,68,.15);color:var(--red);border:1px solid rgba(239,68,68,.22);}
  .video-date{font-size:11px;color:var(--text-faint);}
  .video-card-actions{display:flex;gap:8px;}
  .fav-btn{
    position:absolute;top:8px;right:8px;z-index:2;
    width:30px;height:30px;border-radius:50%;
    background:rgba(10,10,15,0.55);backdrop-filter:blur(6px);
    border:1px solid rgba(255,255,255,0.15);
    display:flex;align-items:center;justify-content:center;cursor:pointer;
    color:#ffffffaa;transition:background .15s, border-color .15s, color .15s, transform .12s;
  }
  .fav-btn:hover{color:#fff;transform:scale(1.04);border-color:rgba(255,255,255,0.28);}
  .fav-btn.active{color:var(--yellow);}
  .fav-btn svg{width:15px;height:15px;}

  /* SKELETON LOADER */
  .skel-card{
    background:linear-gradient(180deg, var(--panel), transparent), var(--input-bg);border:1px solid var(--card-border);border-radius:var(--radius-panel);overflow:hidden;
    box-shadow:var(--shadow-soft);
  }
  .skel-thumb, .skel-line{
    background:linear-gradient(90deg,rgba(255,255,255,0.045) 25%,rgba(255,255,255,0.11) 50%,rgba(255,255,255,0.045) 75%);
    background-size:200% 100%;animation:shimmer 1.4s infinite;
  }
  .skel-thumb{height:140px;}
  .skel-line{height:12px;border-radius:6px;margin:14px;}
  .skel-line.w60{width:60%;}
  .skel-line.w40{width:40%;margin-top:0;}

  /* EMPTY STATE ILLUSTRATION */
  .empty-state{
    grid-column:1/-1;
    text-align:center;
    padding:52px 24px;
    color:var(--text-faint);
    font-size:14px;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:10px;
    border:1px dashed rgba(255,255,255,0.14);
    border-radius:var(--radius-card);
    background:linear-gradient(180deg, var(--panel), transparent);
  }
  [data-theme="light"] .empty-state{border-color:rgba(20,20,30,0.14);}
  .empty-state svg{opacity:.55;}
  .empty-state .empty-title{color:var(--text-dim);font-size:15px;font-weight:600;}

  /* UPGRADE SECTION */
  .current-plan-banner{
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(99,102,241,0.08);
    border:1px solid rgba(99,102,241,0.25);
    border-radius:var(--radius-panel);
    padding:14px 20px;
    margin-bottom:24px;
    font-size:14px;
    text-align:center;
    white-space:nowrap;
    gap:6px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,0.04);
  }
  .current-plan-banner strong{
    color:#c4b5fd;
    display:inline;
  }

  .upgrade-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:20px;
    align-items:stretch;
  }

  .plan-card{
    position:relative;
    background:linear-gradient(180deg, var(--panel), transparent), var(--input-bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius-card);
    padding:26px 22px;
    display:flex;
    flex-direction:column;
    gap:8px;
    transition:border-color .2s, transform .15s, box-shadow .25s;
    height:100%;
  }
  .plan-card:hover{border-color:rgba(99,102,241,0.4);transform:translateY(-2px);box-shadow:0 18px 46px rgba(99,102,241,0.12);}
  .plan-card.current{
    border-color:rgba(34,197,94,0.5);
    background:rgba(34,197,94,0.04);
  }
  .plan-card.featured{
    border-color:rgba(168,85,247,0.4);
    background:linear-gradient(180deg, rgba(168,85,247,0.05), var(--input-bg) 40%);
    box-shadow:0 18px 50px rgba(168,85,247,0.1);
  }
  .plan-card.featured:hover{
    box-shadow:0 0 0 1px rgba(168,85,247,0.4), 0 16px 50px rgba(168,85,247,0.25);
    border-color:rgba(168,85,247,0.7);
  }

  .plan-icon{
    width:44px;height:44px;border-radius:var(--radius-panel);
    display:flex;align-items:center;justify-content:center;
    margin-bottom:6px;
  }
  .plan-icon svg{width:22px;height:22px;}
  #freePlanCard .plan-icon{background:rgba(148,163,184,0.12);color:#94a3b8;}
  #proPlanCard .plan-icon{background:linear-gradient(135deg, rgba(99,102,241,0.25), rgba(168,85,247,0.25));color:#c4b5fd;}
  #businessPlanCard .plan-icon{background:rgba(234,179,8,0.14);color:var(--yellow);}

  .plan-badge{
    position:absolute;
    top:-10px;
    right:16px;
    background:linear-gradient(90deg,var(--indigo),var(--purple));
    color:#fff;
    font-size:11px;
    font-weight:700;
    padding:4px 12px;
    border-radius:999px;
    text-transform:uppercase;
    letter-spacing:.03em;
    display:inline-flex;align-items:center;gap:4px;
  }
  .plan-badge.current-badge{background:var(--green);color:#04240f;}
  .plan-name{font-size:17px;font-weight:700;}
  .plan-price{font-size:28px;font-weight:800;display:flex;align-items:baseline;gap:6px;}
  .plan-price small{font-size:13px;font-weight:500;color:var(--text-dim);}
  .plan-lead{font-size:13px;color:var(--text-dim);line-height:1.5;margin:0 0 4px;}
  .plan-yearly-note{
    font-size:12px;
    color:var(--text-faint);
    margin-top:-4px;
    margin-bottom:4px;
  }
  .plan-features{
    list-style:none;
    font-size:13.5px;
    color:var(--text-dim);
    display:flex;
    flex-direction:column;
    gap:8px;
    padding:0;
    margin:6px 0 12px 0;
    flex:1;
  }
  .plan-features li{
    display:flex;
    align-items:flex-start;
    gap:9px;
    padding:2px 0;
    line-height:1.4;
  }
  .plan-features li .check{
    color:var(--green);
    flex-shrink:0;
    margin-top:1px;
    width:16px;height:16px;
  }
  .plan-features li.highlight{color:var(--text);font-weight:600;}
  .plan-features li.highlight .check{color:#c4b5fd;}

  .plan-buttons{
    display:flex;
    flex-direction:column;
    gap:8px;
    margin-top:auto;
    min-height:44px;
  }
  .plan-buttons .btn-skeleton{
    height:44px;
    border-radius:var(--radius-panel);
    background:linear-gradient(90deg,#161622 25%,#1e1e2c 50%,#161622 75%);
    background-size:200% 100%;
    animation:shimmer 1.4s infinite;
  }
  @keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}
  .plan-error{
    font-size:12.5px;
    color:var(--error);
    background:rgba(239,68,68,.08);
    border:1px solid rgba(239,68,68,.25);
    border-radius:var(--radius-panel);
    padding:10px 14px;
  }
  .current-plan-label{
    text-align:center;
    font-size:13px;
    font-weight:600;
    color:var(--green);
    background:rgba(34,197,94,.1);
    border-radius:var(--radius-panel);
    padding:10px 12px;
    margin-top:4px;
    display:flex;align-items:center;justify-content:center;gap:6px;
  }
  #upgrade-status{
    margin-top:16px;
    font-size:13.5px;
    color:var(--text-dim);
    background:var(--panel);
    border:1px solid var(--card-border);
    border-radius:var(--radius-panel);
    padding:10px 14px;
  }

  /* TOASTS */
  #toastContainer{
    position:fixed;top:1.5rem;right:1.5rem;z-index:1000;
    display:flex;flex-direction:column;gap:0.6rem;
  }
  .toast{
    min-width:280px;max-width:400px;padding:0.85rem 1.1rem;border-radius:var(--radius-panel);
    background:var(--card-bg-strong);border:1px solid var(--card-border);border-left:4px solid var(--blue);
    color:var(--text);font-size:0.9rem;font-weight:500;
    display:flex;align-items:center;gap:10px;
    box-shadow:var(--shadow-strong);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    animation:slideIn 0.3s ease;
  }
  .toast.success{border-left-color:var(--success);}
  .toast.error{border-left-color:var(--error);}
  .toast.warning{border-left-color:var(--yellow);}
  .toast.info{border-left-color:var(--indigo);}
  .toast.hide{opacity:0;transform:translateX(50px);transition:all 0.3s ease;}
  @keyframes slideIn{from{opacity:0;transform:translateX(50px);}to{opacity:1;transform:translateX(0);}}

  /* SCROLL TO TOP */
  #scrollTopBtn{
    position:fixed;bottom:24px;right:24px;z-index:900;
    width:46px;height:46px;border-radius:50%;
    background:linear-gradient(90deg,var(--indigo),var(--purple));
    color:#fff;border:none;cursor:pointer;
    display:none;align-items:center;justify-content:center;
    box-shadow:0 10px 30px rgba(99,102,241,0.4);
    transition:opacity .2s, transform .15s, box-shadow .2s;
  }
  #scrollTopBtn.show{display:flex;animation:fadeUp .3s ease both;}
  #scrollTopBtn:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(99,102,241,0.48);}
  #scrollTopBtn svg{width:20px;height:20px;}

  /* SHORTCUT HINT */
  .kbd{
    background:rgba(120,120,160,0.15);border:1px solid var(--card-border);
    border-radius:6px;padding:1px 6px;font-size:11px;font-family:monospace;color:var(--text-dim);
    box-shadow:inset 0 -1px 0 rgba(255,255,255,0.05);
  }

  ::placeholder{color:var(--text-faint);}

  /* RESPONSIVE */
  @media (max-width: 900px){
    .upgrade-grid{
      grid-template-columns:1fr 1fr;
    }
    header .wrap{
      padding-top:10px;
      padding-bottom:10px;
    }
  }
  @media (max-width: 600px){
    .wrap{padding:0 16px;}
    main{padding-top:22px;}
    .card{padding:22px 18px;margin-bottom:18px;}
    .card h2{font-size:17px;}
    .header-right{gap:8px;}
    .credits-badge{order:3;width:100%;justify-content:center;}
    .upload-row,
    .keywords-row{
      flex-direction:column;
    }
    .upload-row .btn,
    .gen-actions .btn{
      width:100%;
    }
    .content-box{padding:1.25rem;max-height:520px;}
    .videos-toolbar{padding:10px;}
    .videos-toolbar input[type=text],
    .videos-toolbar select{
      min-width:100%;
      width:100%;
    }
    .upgrade-grid{
      grid-template-columns:1fr;
    }
    .current-plan-banner{
      white-space:normal;
      flex-wrap:wrap;
    }
    .history-panel{width:260px;right:-40px;}
  }

  /* ---------- SETTINGS MODAL ---------- */
  .avatar{cursor:pointer;}
  .settings-overlay{
    position:fixed;inset:0;background:rgba(4,4,8,0.64);backdrop-filter:blur(8px);
    display:none;align-items:center;justify-content:center;z-index:200;padding:20px;
  }
  .settings-overlay.show{display:flex;}
  .settings-modal{
    width:100%;max-width:560px;max-height:85vh;overflow:hidden;display:flex;flex-direction:column;
    background:var(--card-bg-strong);border:1px solid var(--card-border);border-radius:var(--radius-card);
    box-shadow:var(--shadow-strong);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
  }
  .settings-modal-head{
    display:flex;align-items:center;justify-content:space-between;padding:18px 22px;
    border-bottom:1px solid var(--border);
  }
  .settings-modal-head h3{margin:0;font-size:16px;}
  .settings-close-btn{
    background:none;border:none;color:var(--text-dim);cursor:pointer;padding:4px;
    display:flex;align-items:center;justify-content:center;border-radius:10px;
    transition:background .2s, color .2s, box-shadow .2s;
  }
  .settings-close-btn:hover{color:var(--text);background:rgba(255,255,255,0.06);}
  .settings-tabs{display:flex;gap:4px;padding:12px 22px 0;border-bottom:1px solid var(--border);overflow-x:auto;}
  .settings-tab{
    background:none;border:none;color:var(--text-dim);font-size:13.5px;font-weight:600;
    padding:10px 14px;cursor:pointer;border-bottom:2px solid transparent;border-radius:10px 10px 0 0;
    transition:background .2s, color .2s, border-color .2s, box-shadow .2s;
  }
  .settings-tab:hover{background:var(--panel);color:var(--text);}
  .settings-tab.active{color:var(--text);border-bottom-color:var(--indigo);}
  .settings-body{padding:22px;overflow-y:auto;}
  .settings-pane{display:none;flex-direction:column;gap:20px;}
  .settings-pane.active{display:flex;}
  .settings-row{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:14px 0;border-bottom:1px solid var(--border);
  }
  .settings-row:last-child{border-bottom:none;}
  .settings-row-label{font-size:14px;font-weight:600;}
  .settings-row-hint{font-size:12.5px;color:var(--text-dim);margin-top:2px;}
  .danger-zone{
    margin-top:8px;padding:16px;border-radius:var(--radius-panel);
    border:1px solid rgba(239,68,68,0.3);background:rgba(239,68,68,0.05);
  }
  .danger-zone h4{margin:0 0 4px;font-size:13.5px;color:var(--red);}
  .danger-zone p{margin:0 0 14px;font-size:12.5px;color:var(--text-dim);}
  .btn-danger{
    background:var(--red);color:#fff;border:1px solid transparent;border-radius:10px;padding:9px 16px;
    min-height:38px;font-size:13px;font-weight:600;cursor:pointer;
    transition:background .2s, box-shadow .2s, transform .12s, opacity .2s;
  }
  .btn-danger:hover:not(:disabled){background:#dc2626;box-shadow:0 12px 26px rgba(239,68,68,0.22);transform:translateY(-1px);}
  .btn-danger:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(239,68,68,0.22);}
  .btn-danger:disabled{opacity:.48;cursor:not-allowed;transform:none;box-shadow:none;}