/* ── main app styles ───────────────────────────────── */
  :root {
    --red: #FF0000;
    --bg: #f9f9f7;
    --surface: #ffffff;
    --border: rgba(0,0,0,0.1);
    --border-strong: rgba(0,0,0,0.2);
    --text: #111111;
    --text-muted: #666666;
    --text-faint: #999999;
    --green: #1D9E75;
    --green-bg: #E1F5EE;
    --green-text: #0F6E56;
    --amber-bg: #FAEEDA;
    --amber-text: #854F0B;
    --blue-bg: #E6F1FB;
    --blue-text: #185FA5;
    --danger: #E24B4A;
    --danger-bg: #FCEBEB;
    --radius: 10px;
    --radius-sm: 6px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body { font-family: 'Georgia', serif; background: var(--bg); color: var(--text); min-height: 100vh; }

  /* LOGIN */
  .user-chip { display:flex; align-items:center; gap:7px; background:var(--surface); border:0.5px solid var(--border); border-radius:20px; padding:4px 10px 4px 5px; font-size:12px; color:var(--text-muted); font-family:'Helvetica Neue',sans-serif; }
  .user-chip img { width:22px; height:22px; border-radius:50%; object-fit:cover; }
  .user-chip-init { width:22px; height:22px; border-radius:50%; background:var(--accent); color:#fff; font-size:10px; font-weight:600; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
  
  /* LAYOUT */
  .shell { max-width: 960px; margin: 0 auto; padding: 2rem 1.5rem 6rem; }
  
  /* HEADER */
  .header { display: flex; align-items: center; gap: 14px; margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 0.5px solid var(--border); }
  .yt-mark { width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .yt-mark svg { width: 38px; height: 38px; }
  .header h1 { font-size: 20px; font-weight: normal; letter-spacing: -0.3px; }
  .header p { font-size: 13px; color: var(--text-muted); font-family: 'Helvetica Neue', sans-serif; margin-top: 2px; }

  /* API KEY SETUP BANNER */
  .api-banner { background: var(--amber-bg); border: 0.5px solid #EF9F27; border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 1.5rem; font-family: 'Helvetica Neue', sans-serif; }
  .api-banner h3 { font-size: 13px; font-weight: 600; color: var(--amber-text); margin-bottom: 10px; }
  .api-banner .key-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
  .api-banner label { font-size: 12px; color: var(--amber-text); min-width: 140px; }
  .api-banner input { flex: 1; padding: 6px 10px; border: 0.5px solid #EF9F27; border-radius: var(--radius-sm); font-size: 13px; background: white; font-family: 'Helvetica Neue', sans-serif; }
  .api-banner .hint { font-size: 11px; color: var(--amber-text); opacity: 0.8; }
  .api-banner a { color: var(--amber-text); }

  /* STEPS */
  .steps { display: flex; align-items: center; gap: 6px; margin-bottom: 1.5rem; font-family: 'Helvetica Neue', sans-serif; overflow-x: auto; padding-bottom: 4px; }
  .step { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-faint); white-space: nowrap; }
  .step-num { width: 20px; height: 20px; border-radius: 50%; border: 0.5px solid var(--border-strong); display: flex; align-items: center; justify-content: center; font-size: 10px; flex-shrink: 0; }
  .step.active { color: var(--text); }
  .step.active .step-num { background: var(--text); color: white; border-color: transparent; }
  .step.done .step-num { background: var(--green); color: white; border-color: transparent; }
  .step.done { color: var(--green-text); }
  .step-line { flex: 1; height: 0.5px; background: var(--border); min-width: 16px; }

  /* CARDS */
  .card { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem; }
  .card-title { font-size: 11px; font-weight: normal; font-family: 'Helvetica Neue', sans-serif; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 1rem; }

  /* FORMS */
  .field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
  .field label { font-size: 12px; color: var(--text-muted); font-family: 'Helvetica Neue', sans-serif; }
  .field input, .field textarea, .field select {
    padding: 8px 10px; border: 0.5px solid var(--border-strong); border-radius: var(--radius-sm);
    font-size: 14px; background: var(--bg); color: var(--text); font-family: 'Helvetica Neue', sans-serif;
  }
  .field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: #888; }
  .field textarea { resize: vertical; min-height: 70px; line-height: 1.5; }
  .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

  /* BUTTONS */
  .btn {
    padding: 8px 18px; border-radius: var(--radius-sm); font-size: 13px; font-weight: normal;
    cursor: pointer; border: 0.5px solid var(--border-strong); background: transparent;
    color: var(--text); font-family: 'Helvetica Neue', sans-serif; transition: background 0.12s;
    letter-spacing: 0.01em;
  }
  .btn:hover { background: var(--bg); }
  .btn:active { transform: scale(0.98); }
  .btn-primary { background: var(--text); color: white; border-color: transparent; }
  .btn-primary:hover { background: #333; }
  .btn-green { background: var(--green); color: white; border-color: transparent; }
  .btn-green:hover { background: #0F6E56; }
  .btn-danger { color: var(--danger); border-color: #F09595; }
  .btn-danger:hover { background: var(--danger-bg); }
  .btn-amber { color: var(--amber-text); border-color: #EF9F27; }
  .btn-amber:hover { background: var(--amber-bg); }
  .btn-sm { padding: 4px 12px; font-size: 12px; }
  .btn-row { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }
  .btn-row-between { display: flex; gap: 8px; justify-content: space-between; margin-top: 4px; }

  /* OFFICIAL GOOGLE "SIGN IN WITH GOOGLE" BUTTON
     Markup + CSS per Google Identity branding guidelines. Do not alter the
     G logo, colors, font, or spacing. Used for every control that starts the
     Google OAuth sign-in / channel-link flow. */
  .gsi-material-button {
    -moz-user-select: none; -webkit-user-select: none; -ms-user-select: none;
    -webkit-appearance: none; background-color: WHITE; background-image: none;
    border: 1px solid #747775; border-radius: 4px; box-sizing: border-box;
    color: #1f1f1f; cursor: pointer; font-family: 'Roboto', arial, sans-serif;
    font-size: 14px; height: 40px; letter-spacing: 0.25px; outline: none;
    overflow: hidden; padding: 0 12px; position: relative; text-align: center;
    transition: background-color .218s, border-color .218s, box-shadow .218s;
    vertical-align: middle; white-space: nowrap; width: auto; max-width: 400px;
    min-width: min-content;
  }
  .gsi-material-button .gsi-material-button-icon { height: 20px; margin-right: 12px; min-width: 20px; width: 20px; }
  .gsi-material-button .gsi-material-button-content-wrapper { align-items: center; display: flex; flex-direction: row; flex-wrap: nowrap; height: 100%; justify-content: space-between; position: relative; width: 100%; }
  .gsi-material-button .gsi-material-button-contents { flex-grow: 1; font-family: 'Roboto', arial, sans-serif; font-weight: 500; overflow: hidden; text-overflow: ellipsis; vertical-align: top; }
  .gsi-material-button .gsi-material-button-state { transition: opacity .218s; bottom: 0; left: 0; opacity: 0; position: absolute; right: 0; top: 0; }
  .gsi-material-button:disabled { cursor: default; background-color: #ffffff61; border-color: #1f1f1f1f; }
  .gsi-material-button:disabled .gsi-material-button-contents { opacity: 38%; }
  .gsi-material-button:disabled .gsi-material-button-icon { opacity: 38%; }
  .gsi-material-button:not(:disabled):active .gsi-material-button-state,
  .gsi-material-button:not(:disabled):focus .gsi-material-button-state { background-color: #303030; opacity: 12%; }
  .gsi-material-button:not(:disabled):hover { box-shadow: 0 1px 2px 0 rgba(60, 64, 67, .30), 0 1px 3px 1px rgba(60, 64, 67, .15); }
  .gsi-material-button:not(:disabled):hover .gsi-material-button-state { background-color: #303030; opacity: 8%; }

  /* CHANNEL PICKER */
  .channel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px; margin-bottom: 1rem; }
  .ch-tile { border: 0.5px solid var(--border); border-radius: var(--radius); padding: 12px; cursor: pointer; display: flex; align-items: center; gap: 10px; transition: border-color 0.12s; font-family: 'Helvetica Neue', sans-serif; }
  .ch-tile:hover { border-color: var(--border-strong); }
  .ch-tile.selected { border: 1.5px solid var(--text); background: var(--bg); }
  .ch-avatar { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; flex-shrink: 0; font-family: 'Helvetica Neue', sans-serif; }
  .ch-name { font-size: 13px; font-weight: 500; color: var(--text); }
  .ch-sub { font-size: 11px; color: var(--text-faint); }
  .add-ch-row { display: flex; gap: 8px; align-items: flex-end; border-top: 0.5px solid var(--border); padding-top: 12px; }
  .add-ch-row .field { flex: 1; margin-bottom: 0; }

  /* STATS */
  .stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; margin-bottom: 1rem; }
  .stat { background: var(--bg); border-radius: var(--radius-sm); padding: 12px; text-align: center; border: 0.5px solid var(--border); }
  .stat-n { font-size: 24px; color: var(--text); }
  .stat-l { font-size: 11px; color: var(--text-muted); margin-top: 2px; font-family: 'Helvetica Neue', sans-serif; }

  /* PROGRESS */
  .progress-wrap { margin-bottom: 1rem; }
  .progress-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; font-family: 'Helvetica Neue', sans-serif; }
  .progress-bar { height: 3px; background: var(--border); border-radius: 2px; overflow: hidden; }
  .progress-fill { height: 100%; background: var(--green); border-radius: 2px; transition: width 0.4s; }

  /* VIDEO CARDS */
  .top-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; flex-wrap: wrap; gap: 8px; }
  .top-bar h2 { font-size: 17px; font-weight: normal; letter-spacing: -0.2px; }
  .vcard { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 10px; }
  .vmeta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
  .vthumb { width: 120px; height: 68px; border-radius: 4px; flex-shrink: 0; object-fit: cover; display: block; }
  .vthumb-placeholder { width: 120px; height: 68px; border-radius: 4px; flex-shrink: 0; }
  .vtitle { font-size: 14px; color: var(--text); line-height: 1.3; text-decoration: none; }
  a.vtitle:hover { text-decoration: underline; }
  .vsub { font-size: 11px; color: var(--text-faint); margin-top: 2px; font-family: 'Helvetica Neue', sans-serif; }
  .desc-cols { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 10px; }
  @media(max-width:900px){ .desc-cols { grid-template-columns: 1fr 1fr; } }
  .dlabel { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: 5px; display: flex; align-items: center; gap: 8px; font-family: 'Helvetica Neue', sans-serif; }
  .dbox { font-size: 12px; color: var(--text-muted); line-height: 1.6; background: var(--bg); border-radius: var(--radius-sm); padding: 8px 10px; min-height: 80px; white-space: pre-wrap; font-family: 'Helvetica Neue', sans-serif; border: 0.5px solid var(--border); }
  .dbox.new { color: var(--text); background: var(--surface); }
  .dbox.loading { display: flex; align-items: center; justify-content: center; font-style: italic; white-space: normal; }
  .editable { width: 100%; border: none; outline: none; font-size: 12px; font-family: 'Helvetica Neue', sans-serif; background: transparent; color: var(--text); resize: vertical; min-height: 120px; line-height: 1.6; }
  .vactions { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: wrap; }

  /* BADGES */
  .badge { display: inline-flex; align-items: center; font-size: 10px; padding: 2px 7px; border-radius: 4px; font-family: 'Helvetica Neue', sans-serif; font-weight: 500; }
  .b-pending { background: var(--amber-bg); color: var(--amber-text); }
  .b-approved { background: var(--green-bg); color: var(--green-text); }
  .b-generating { background: var(--blue-bg); color: var(--blue-text); }
  .b-published { background: var(--green-bg); color: var(--green-text); }
  .b-stripped { background: var(--danger-bg); color: var(--danger); }
  .b-optimized { background: #dcfce7; color: #15803d; }
  .b-error { background: #fee2e2; color: #dc2626; }
  .char-count { font-size:10px; color:var(--text-faint); font-family:'Helvetica Neue',sans-serif; text-align:right; margin-top:2px; transition:color .15s; }
  #sticky-pub-bar { position:fixed; bottom:0; left:0; right:0; z-index:800; background:var(--surface); border-top:1px solid var(--border); padding:10px 24px; display:none; align-items:center; justify-content:center; gap:12px; box-shadow:0 -3px 16px rgba(0,0,0,0.07); font-family:'Helvetica Neue',sans-serif; font-size:13px; color:var(--text-muted); }

  /* MISC */
  .detected-banner { background: var(--green-bg); border: 0.5px solid #5DCAA5; border-radius: var(--radius-sm); padding: 8px 12px; font-size: 12px; color: var(--green-text); margin-bottom: 12px; font-family: 'Helvetica Neue', sans-serif; }
  .structure-hint { font-size: 12px; color: var(--text-muted); background: var(--bg); border-radius: var(--radius-sm); padding: 8px 10px; margin-bottom: 12px; line-height: 1.7; font-family: 'Helvetica Neue', sans-serif; border: 0.5px solid var(--border); }
  .approve-all-row { display: flex; gap: 8px; align-items: center; padding: 10px 0; border-top: 0.5px solid var(--border); margin-top: 4px; font-family: 'Helvetica Neue', sans-serif; font-size: 12px; color: var(--text-muted); }
  .approve-all-row span { flex: 1; }
  .connect-center { text-align: center; padding: 2rem 1rem; font-family: 'Helvetica Neue', sans-serif; }
  .connect-center p { font-size: 13px; color: var(--text-muted); margin-bottom: 1rem; max-width: 420px; margin-left: auto; margin-right: auto; }
  .channel-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); background: var(--bg); border-radius: var(--radius-sm); padding: 4px 10px; margin-bottom: 1rem; font-family: 'Helvetica Neue', sans-serif; border: 0.5px solid var(--border); }
  .info-note { background: var(--blue-bg); border: 0.5px solid #85B7EB; border-radius: var(--radius-sm); padding: 8px 12px; font-size: 12px; color: var(--blue-text); margin-top: 1rem; font-family: 'Helvetica Neue', sans-serif; }
  #toast { position:fixed; bottom:28px; left:50%; transform:translateX(-50%) translateY(16px); background:#1a1a1a; color:#fff; font-size:13px; font-family:'Helvetica Neue',sans-serif; padding:10px 20px; border-radius:8px; box-shadow:0 4px 16px rgba(0,0,0,0.18); pointer-events:none; opacity:0; transition:opacity .2s,transform .2s; z-index:9999; white-space:nowrap; }
  #toast.show { opacity:1; transform:translateX(-50%) translateY(0); }

  @media (max-width: 700px) {
    .desc-cols { grid-template-columns: 1fr; }
    .field-row { grid-template-columns: 1fr; }
    .stats { grid-template-columns: repeat(2,1fr); }
    .channel-grid { grid-template-columns: 1fr 1fr; }
  }
  .compare-cols { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
  .compare-col { display:flex; flex-direction:column; gap:6px; }
  .compare-col-hdr { display:flex; align-items:center; gap:6px; font-size:11px; font-weight:700; letter-spacing:.04em; text-transform:uppercase; padding:3px 0; }
  .deepseek-hdr { color:#7c3aed; }
  .gemini-hdr { color:#1a73e8; }
  .openai-hdr { color:#10a37f; }
  .compare-col-hdr .model-dot { width:8px; height:8px; border-radius:50%; flex-shrink:0; }
  .deepseek-hdr .model-dot { background:#7c3aed; }
  .gemini-hdr .model-dot { background:#1a73e8; }
  .openai-hdr .model-dot { background:#10a37f; }
  .compare-col .dbox { flex:1; min-height:90px; font-size:12px; }
  .compare-col .dbox textarea { font-size:12px; }
  .use-btn { margin-top:2px; padding:4px 12px; font-size:11px; font-weight:600; border-radius:6px; border:none; cursor:pointer; transition:all .15s; }
  .use-btn-deepseek { background:#ede9fe; color:#5b21b6; }
  .use-btn-deepseek:hover { background:#7c3aed; color:#fff; }
  .use-btn-gemini { background:#e8f0fe; color:#1557b0; }
  .use-btn-gemini:hover { background:#1a73e8; color:#fff; }
  .use-btn-openai { background:#d1fae5; color:#065f46; }
  .use-btn-openai:hover { background:#10a37f; color:#fff; }
  .chosen-badge { display:inline-flex; align-items:center; gap:4px; padding:2px 7px; border-radius:99px; font-size:10px; font-weight:700; }
  .chosen-deepseek { background:#ede9fe; color:#5b21b6; }
  .chosen-gemini { background:#e8f0fe; color:#1557b0; }
  .chosen-openai { background:#d1fae5; color:#065f46; }
  .regen-link { font-size:10px; color:var(--text-muted); background:none; border:none; cursor:pointer; padding:0; text-decoration:underline; }
  .regen-link:hover { color:var(--text); }
  @media(max-width:600px){ .compare-cols { grid-template-columns:1fr; } }
  .queue-controls { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-bottom:14px; }
  .search-input { flex:1; min-width:180px; padding:7px 12px; border:1.5px solid var(--border); border-radius:8px; font-size:13px; font-family:inherit; background:var(--surface); color:var(--text); outline:none; transition:border-color .15s; }
  .search-input:focus { border-color:var(--accent); }
  .sort-select { padding:6px 10px; border:1.5px solid var(--border); border-radius:8px; font-size:13px; font-family:inherit; background:var(--surface); color:var(--text); cursor:pointer; outline:none; }
  .sort-select:focus { border-color:var(--accent); }
  .load-more-row { display:none; justify-content:center; gap:8px; padding:18px 0 4px; }
  .about-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.25rem; }
  @media(max-width:700px){ .about-grid { grid-template-columns:1fr; } }
  #expired-token-banner { display:none; align-items:center; gap:12px; background:var(--danger-bg); border:1px solid #F09595; border-radius:var(--radius); padding:12px 16px; margin-bottom:1rem; font-family:'Helvetica Neue',sans-serif; }
  #expired-token-banner .etb-msg { flex:1; font-size:13px; color:var(--danger); font-weight:500; }
  #expired-token-banner .etb-dismiss { background:none; border:none; cursor:pointer; color:var(--danger); font-size:18px; padding:0 2px; line-height:1; flex-shrink:0; }
  #token-warning-banner { display:none; align-items:center; gap:12px; background:var(--amber-bg); border:1px solid #EF9F27; border-radius:var(--radius); padding:12px 16px; margin-bottom:1rem; font-family:'Helvetica Neue',sans-serif; }
  #token-warning-banner .twb-msg { flex:1; font-size:13px; color:var(--amber-text); font-weight:500; }
  #token-warning-banner .twb-dismiss { background:none; border:none; cursor:pointer; color:var(--amber-text); font-size:18px; padding:0 2px; line-height:1; flex-shrink:0; }

/* ── AI consent modal ─────────────────────────────── */
    #ai-consent-overlay{display:none;position:fixed;inset:0;z-index:10000;background:rgba(0,0,0,0.55);align-items:center;justify-content:center;padding:1rem;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;}
    #ai-consent-overlay.show{display:flex;}
    .tb-aic-box{background:#fff;max-width:460px;width:100%;border-radius:14px;padding:1.75rem 1.6rem;box-shadow:0 12px 40px rgba(0,0,0,0.28);text-align:left;}
    .tb-aic-icon{font-size:30px;text-align:center;margin-bottom:.4rem;}
    .tb-aic-title{font-size:18px;font-weight:700;text-align:center;margin:0 0 .6rem;color:#1a1a18;}
    .tb-aic-desc{font-size:14px;line-height:1.6;color:#333;margin:0 0 .9rem;}
    .tb-aic-points{list-style:none;margin:0 0 .9rem;padding:0;}
    .tb-aic-points li{font-size:13px;line-height:1.55;color:#1b5e20;margin-bottom:.35rem;}
    .tb-aic-fine{font-size:12px;line-height:1.5;color:#666;margin:0 0 1.2rem;}
    .tb-aic-fine a{color:#1a73e8;}
    .tb-aic-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;}
    .tb-aic-cancel{padding:9px 18px;font-size:14px;font-weight:600;border:1px solid #d0d0cf;background:#fff;color:#444;border-radius:8px;cursor:pointer;}
    .tb-aic-cancel:hover{background:#f5f5f4;}
    .tb-aic-agree{padding:9px 22px;font-size:14px;font-weight:700;border:none;background:#FF0000;color:#fff;border-radius:8px;cursor:pointer;}
    .tb-aic-agree:hover{background:#e00000;}

/* ── responsive helpers ────────────────────────────── */
@media(max-width:520px){.hiw-icon{display:none!important;}}