/* ============================================================
   ContentGuard Lite – Shared Stylesheet v1.1
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Fira+Code:wght@300;400;500&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300;1,400&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg: #070c17;
  --surface: #0d1526;
  --card: #111d33;
  --card-hover: #152240;
  --border: #1e3054;
  --border-light: #253d6e;
  --accent: #00c8f0;
  --accent-glow: rgba(0,200,240,0.15);
  --accent2: #8b5cf6;
  --accent2-glow: rgba(139,92,246,0.15);
  --yt-red: #ef4444;
  --yt-red-glow: rgba(239,68,68,0.15);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #e2eaf8;
  --text-muted: #5f7aaa;
  --text-dim: #384e72;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'Fira Code', monospace;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-accent: 0 0 24px rgba(0,200,240,0.12);
  --transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
  --sidebar-w: 240px;
}
[data-theme="light"] {
  --bg: #f0f4f8;
  --surface: #ffffff;
  --card: #f8fafc;
  --card-hover: #f1f5f9;
  --border: #e2e8f0;
  --border-light: #c8d3e8;
  --accent: #0284c7;
  --accent-glow: rgba(2,132,199,0.10);
  --accent2: #7c3aed;
  --accent2-glow: rgba(124,58,237,0.10);
  --text: #0f172a;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --shadow: 0 2px 16px rgba(0,0,0,0.08);
}

/* ── Reset ──────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;line-height:1.6;font-size:15px}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-display);line-height:1.2}
code,.mono{font-family:var(--font-mono);font-size:.85em}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ── Layout shell ───────────────────────────────────────────── */
.app-shell{display:flex;min-height:100vh}

/* ── Sidebar (mount point) ──────────────────────────────────── */
#sidebar-mount{
  width:var(--sidebar-w);
  background:var(--surface);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  position:fixed;
  left:0;top:0;bottom:0;
  z-index:100;
  overflow-y:auto;
  transition:var(--transition);
}
.sidebar-brand{padding:22px 20px 14px;border-bottom:1px solid var(--border)}
.brand-logo{display:flex;align-items:center;gap:10px;margin-bottom:4px;text-decoration:none}
.brand-icon{width:34px;height:34px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.brand-name{font-family:var(--font-display);font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.brand-tagline{font-size:11px;color:var(--text-muted);padding-left:44px;font-family:var(--font-mono);letter-spacing:.03em}
.sidebar-nav{padding:14px 10px;flex:1}
.nav-section-label{font-size:10px;font-family:var(--font-mono);color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em;padding:8px 8px 4px;margin-bottom:2px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius);cursor:pointer;color:var(--text-muted);font-size:13.5px;font-weight:500;transition:var(--transition);user-select:none;border:1px solid transparent;margin-bottom:2px;position:relative;text-decoration:none}
.nav-item:hover{background:var(--card);color:var(--text);border-color:var(--border)}
.nav-item.active{background:var(--accent-glow);color:var(--accent);border-color:rgba(0,200,240,.3)}
.nav-item.active::before{content:'';position:absolute;left:-1px;top:20%;bottom:20%;width:3px;background:var(--accent);border-radius:0 2px 2px 0}
.nav-item.yt-nav.active{background:var(--yt-red-glow);color:var(--yt-red);border-color:rgba(239,68,68,.3)}
.nav-item.yt-nav.active::before{background:var(--yt-red)}
.nav-item.yt-nav:hover{background:var(--yt-red-glow);color:var(--yt-red)}
.nav-icon{font-size:15px;flex-shrink:0;width:18px;text-align:center}
.nav-badge{margin-left:auto;font-size:9px;font-family:var(--font-mono);background:var(--accent2-glow);color:var(--accent2);padding:1px 6px;border-radius:20px;border:1px solid var(--accent2);white-space:nowrap}
.sidebar-footer{padding:14px 16px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.version-tag{font-family:var(--font-mono);font-size:10px;color:var(--text-dim)}

/* ── Main ───────────────────────────────────────────────────── */
.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh;display:flex;flex-direction:column}

/* ── Topbar ─────────────────────────────────────────────────── */
#topbar-mount{background:var(--surface);border-bottom:1px solid var(--border);padding:0 28px;height:58px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}
.topbar-left{display:flex;align-items:center;gap:12px}
.topbar-title{font-family:var(--font-display);font-size:18px;font-weight:700}
.topbar-subtitle{font-size:11px;color:var(--text-muted);font-family:var(--font-mono)}
.topbar-right{display:flex;align-items:center;gap:10px}
.topbar-status-text{font-size:11px;color:var(--text-muted);font-family:var(--font-mono)}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 8px var(--success);animation:pulse 2s infinite;flex-shrink:0}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* ── Page body ──────────────────────────────────────────────── */
.page-content{padding:28px;max-width:1140px;flex:1}
.page-header{margin-bottom:24px;display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:12px}
.page-icon{font-size:26px;margin-bottom:4px}
.page-title{font-size:24px;font-weight:800;letter-spacing:-.02em;margin-bottom:4px}
.page-desc{font-size:14px;color:var(--text-muted);max-width:540px;line-height:1.55}

/* ── In-page tabs ───────────────────────────────────────────── */
.tool-tabs{display:flex;gap:4px;margin-bottom:22px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:5px;width:fit-content;flex-wrap:wrap}
.tool-tab{padding:8px 18px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;border:none;background:transparent;color:var(--text-muted);transition:var(--transition);white-space:nowrap;display:flex;align-items:center;gap:7px;font-family:var(--font-body)}
.tool-tab:hover{color:var(--text)}
.tool-tab.active{background:var(--card);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.3);border:1px solid var(--border)}
.tool-tab-panel{display:none}
.tool-tab-panel.active{display:block;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}

/* ── Cards ──────────────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;transition:var(--transition)}
.card:hover{border-color:var(--border-light)}
.card-title{font-family:var(--font-display);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:14px;display:flex;align-items:center;gap:8px}

/* ── Tool grid layouts ──────────────────────────────────────── */
.tool-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.tool-layout-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;align-items:start}

/* ── Inputs ─────────────────────────────────────────────────── */
.text-area{width:100%;min-height:180px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;color:var(--text);font-family:var(--font-body);font-size:14px;line-height:1.65;resize:vertical;transition:var(--transition);outline:none}
.text-area:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.text-area::placeholder{color:var(--text-dim)}
.input-field{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:11px 14px;color:var(--text);font-family:var(--font-body);font-size:14px;outline:none;transition:var(--transition)}
.input-field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.input-field::placeholder{color:var(--text-dim)}
.input-label{display:block;font-size:12px;color:var(--text-muted);font-weight:500;margin-bottom:6px}

/* ── Buttons ────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-size:13.5px;font-weight:600;font-family:var(--font-body);cursor:pointer;border:none;transition:var(--transition);white-space:nowrap}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--accent);color:#000}
.btn-primary:hover:not(:disabled){background:#22d4f8;box-shadow:0 0 20px rgba(0,200,240,.3);transform:translateY(-1px)}
.btn-danger{background:var(--yt-red);color:#fff}
.btn-danger:hover:not(:disabled){background:#f87171;box-shadow:0 0 20px var(--yt-red-glow);transform:translateY(-1px)}
.btn-secondary{background:transparent;color:var(--text-muted);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--card);color:var(--text);border-color:var(--border-light)}
.btn-ghost{background:transparent;color:var(--text-muted);padding:8px 12px}
.btn-ghost:hover{color:var(--text);background:var(--card)}
.btn-small{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;font-size:12px;font-weight:600;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;transition:var(--transition);font-family:var(--font-body)}
.btn-small:hover{background:var(--card-hover);color:var(--text);border-color:var(--accent)}
.btn-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--card);border:1px solid var(--border);cursor:pointer;font-size:15px;transition:var(--transition);color:var(--text-muted)}
.btn-icon:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:14px}
.char-count{font-size:12px;color:var(--text-dim);font-family:var(--font-mono);margin-left:auto}
.theme-toggle{background:var(--card);border:1px solid var(--border);border-radius:8px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:15px;transition:var(--transition);color:var(--text-muted)}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}
.btn-hamburger{display:none;width:36px;height:36px;border-radius:8px;background:var(--card);border:1px solid var(--border);cursor:pointer;align-items:center;justify-content:center;font-size:17px;color:var(--text-muted);transition:var(--transition)}
.btn-hamburger:hover{color:var(--text);border-color:var(--accent)}

/* ── Slider ─────────────────────────────────────────────────── */
.slider-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.slider-label{font-size:13px;color:var(--text-muted);min-width:100px}
.slider{flex:1;height:4px;appearance:none;background:var(--border);border-radius:2px;outline:none;cursor:pointer}
.slider::-webkit-slider-thumb{appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);cursor:pointer}
.slider-val{font-family:var(--font-mono);font-size:12px;color:var(--accent);min-width:36px;text-align:right}

/* ── Toggles ────────────────────────────────────────────────── */
.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border)}
.toggle-row:last-child{border-bottom:none}
.toggle-info{display:flex;flex-direction:column}
.toggle-label{font-size:13px;font-weight:500}
.toggle-desc{font-size:11px;color:var(--text-muted);margin-top:1px}
.toggle-switch{position:relative;width:40px;height:22px;flex-shrink:0}
.toggle-switch input{opacity:0;width:0;height:0}
.toggle-knob{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--border);border-radius:22px;transition:var(--transition)}
.toggle-knob::before{content:'';position:absolute;height:16px;width:16px;left:3px;top:3px;background:white;border-radius:50%;transition:var(--transition)}
.toggle-switch input:checked+.toggle-knob{background:var(--accent)}
.toggle-switch input:checked+.toggle-knob::before{transform:translateX(18px)}

/* ── Dropzone ───────────────────────────────────────────────── */
.dropzone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:44px 20px;text-align:center;cursor:pointer;transition:var(--transition);background:var(--surface);position:relative;overflow:hidden}
.dropzone::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,var(--accent-glow),transparent 70%);opacity:0;transition:var(--transition)}
.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:var(--card)}
.dropzone:hover::before,.dropzone.dragover::before{opacity:1}
.dropzone-icon{font-size:38px;margin-bottom:10px;display:block}
.dropzone-text{font-size:14px;font-weight:600;margin-bottom:6px}
.dropzone-sub{font-size:12px;color:var(--text-muted)}

/* ── Results ────────────────────────────────────────────────── */
.results-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;min-height:120px}
.section-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--text-dim);text-transform:uppercase;margin:18px 0 10px;display:flex;align-items:center;gap:8px}
.section-label::after{content:'';flex:1;height:1px;background:var(--border)}

/* ── Score ring ─────────────────────────────────────────────── */
.result-header{display:flex;gap:22px;align-items:center;margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.score-ring{flex-shrink:0;width:96px;height:96px}
.score-svg{width:100%;height:100%}
.score-info{flex:1}
.score-info h3{font-size:19px;font-weight:800;font-family:var(--font-display);margin-bottom:4px}
.score-info p{font-size:13px;color:var(--text-muted);margin-bottom:2px}
.confidence-badge{font-family:var(--font-mono);font-size:11px!important}

/* ── Metrics ────────────────────────────────────────────────── */
.metrics-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.metric-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:13px;transition:var(--transition)}
.metric-card.flagged{border-color:rgba(239,68,68,.25);background:rgba(239,68,68,.04)}
.metric-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px}
.metric-name{font-size:12px;font-weight:600}
.metric-pct{font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--success)}
.metric-pct.warn{color:var(--danger)}
.metric-bar-track{height:3px;background:var(--border);border-radius:2px;overflow:hidden;margin-bottom:7px}
.metric-bar-fill{height:100%;border-radius:2px;transition:width .5s ease}
.metric-desc{font-size:11px;color:var(--text-muted);line-height:1.4}
.dual-bar{margin-top:10px;width:100%}
.bar-label{display:flex;justify-content:space-between;font-size:11px;color:var(--text-muted);margin-bottom:3px;font-family:var(--font-mono)}
.bar-track{height:5px;background:var(--border);border-radius:3px;overflow:hidden;margin-bottom:7px}
.bar-fill{height:100%;border-radius:3px;transition:width .5s ease}
.bar-fill.human{background:var(--success)}
.bar-fill.ai{background:var(--danger)}

/* ── Sentence/pair lists ────────────────────────────────────── */
.sentence-list{display:flex;flex-direction:column;gap:4px}
.sentence-item{display:flex;align-items:flex-start;gap:10px;padding:8px 12px;border-radius:8px;border:1px solid transparent;background:var(--surface);font-size:13px;transition:var(--transition)}
.sentence-item.flagged{background:rgba(239,68,68,.05);border-color:rgba(239,68,68,.2)}
.sent-num{font-family:var(--font-mono);font-size:10px;color:var(--text-dim);min-width:20px;padding-top:2px}
.sent-text{flex:1;line-height:1.5}
.sent-badge{font-family:var(--font-mono);font-size:10px;padding:2px 8px;border-radius:20px;white-space:nowrap;flex-shrink:0}
.sent-badge.unique{background:rgba(34,197,94,.1);color:var(--success)}
.pairs-list{display:flex;flex-direction:column;gap:10px}
.pair-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px}
.pair-header{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.pair-badge{font-family:var(--font-mono);font-size:11px;background:rgba(239,68,68,.1);color:var(--danger);padding:2px 10px;border-radius:20px;border:1px solid rgba(239,68,68,.2)}
.pair-meta{font-size:11px;color:var(--text-dim);font-family:var(--font-mono)}
.pair-sentences{display:flex;flex-direction:column;gap:6px}
.pair-sent{padding:8px 12px;border-radius:6px;font-size:13px;line-height:1.5}
.pair-sent.a{background:rgba(239,68,68,.06);border-left:2px solid rgba(239,68,68,.4)}
.pair-sent.b{background:rgba(249,115,22,.06);border-left:2px solid rgba(249,115,22,.4)}
.pair-sent span{font-family:var(--font-mono);font-size:10px;color:var(--text-dim);margin-right:8px}

/* ── Image tool ─────────────────────────────────────────────── */
.image-result-layout{display:grid;grid-template-columns:260px 1fr;gap:20px}
.preview-img{width:100%;border-radius:var(--radius);border:1px solid var(--border);margin-bottom:12px;max-height:180px;object-fit:cover}
.ai-img-preview{width:100%;border-radius:var(--radius);border:1px solid var(--border);max-height:170px;object-fit:cover;margin-bottom:12px}
.img-meta-grid{display:flex;flex-direction:column;gap:3px;margin-bottom:10px}
.img-meta-item{display:flex;justify-content:space-between;align-items:center;font-size:12px;padding:4px 0;border-bottom:1px solid var(--border)}
.img-meta-item span{color:var(--text-muted)}
.img-meta-item code{font-family:var(--font-mono);font-size:11px;color:var(--accent)}
.swatch-label{font-size:11px;color:var(--text-dim);display:block;margin-bottom:6px}
.swatch-row{display:flex;gap:6px}
.swatch{width:26px;height:26px;border-radius:5px;border:1px solid var(--border)}
.similar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.similar-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.similar-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-accent)}
.similar-img-wrap{position:relative;height:95px;background:var(--border)}
.similar-img-wrap img{width:100%;height:100%;object-fit:cover}
.match-pct{position:absolute;top:5px;right:5px;background:rgba(0,0,0,.75);color:#fff;font-family:var(--font-mono);font-size:10px;padding:2px 7px;border-radius:20px;backdrop-filter:blur(4px)}
.similar-info{padding:7px 10px;display:flex;flex-direction:column;gap:2px}
.similar-info strong{font-size:12px}
.similar-info span{font-size:11px;color:var(--text-muted)}
.ai-badge{display:inline-block;font-size:9px!important;background:rgba(139,92,246,.1);color:var(--accent2);padding:1px 6px;border-radius:4px;border:1px solid var(--accent2);font-family:var(--font-mono);font-weight:600}

/* ── Rewriter ───────────────────────────────────────────────── */
.rewrite-output{display:flex;flex-direction:column;gap:20px}
.rewrite-text-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.rewrite-label{padding:9px 16px;background:var(--card);border-bottom:1px solid var(--border);font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--text-dim)}
.rewrite-content{padding:16px;font-size:14px;line-height:1.7;white-space:pre-wrap}
.rewrite-actions{padding:9px 16px;border-top:1px solid var(--border);background:var(--card);display:flex;gap:8px}
mark.changed-word{background:rgba(0,200,240,.15);color:var(--accent);border-radius:2px;padding:0 2px}
.readability-grid{display:flex;flex-direction:column;gap:4px}
.stat-row{display:grid;grid-template-columns:1fr auto auto auto;gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--border);font-size:13px}
.stat-label{color:var(--text-muted)}
.stat-orig{font-family:var(--font-mono);font-size:12px;color:var(--text-dim)}
.stat-arrow{color:var(--text-dim);font-size:12px}
.stat-new{font-family:var(--font-mono);font-size:12px}
.stat-new.changed{color:var(--accent);font-weight:600}
.stat-hint{font-size:10px;color:var(--text-dim);grid-column:1/-1}
.grade-badge{margin-top:10px;padding:9px 14px;background:var(--accent-glow);border:1px solid rgba(0,200,240,.2);border-radius:var(--radius);font-size:13px;display:flex;gap:8px;align-items:center}
.grade-badge span{color:var(--text-muted)}
.inline-stats{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--text-muted);font-family:var(--font-mono);padding:6px 0}
.inline-stats strong{color:var(--text)}

/* ── YouTube Tools ──────────────────────────────────────────── */
.yt-url-bar{display:flex;gap:10px;align-items:center;margin-bottom:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:12px 16px}
.yt-url-bar input{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-size:14px;font-family:var(--font-body)}
.yt-url-bar input::placeholder{color:var(--text-dim)}

.yt-video-card{display:grid;grid-template-columns:240px 1fr;gap:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px;align-items:start}
.yt-thumb-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--surface)}
.yt-thumb-wrap img{width:100%;display:block}
.yt-video-meta{display:flex;flex-direction:column;gap:12px}
.yt-video-title{font-family:var(--font-display);font-size:17px;font-weight:700;line-height:1.4}
.yt-video-stats{display:flex;gap:10px;flex-wrap:wrap}
.yt-stat-pill{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:4px 12px;font-size:12px;font-family:var(--font-mono);color:var(--text-muted);display:flex;align-items:center;gap:5px}
.yt-stat-pill strong{color:var(--text)}

.yt-field-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:14px}
.yt-field-header{padding:9px 14px;background:var(--card);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.yt-field-name{font-size:11px;font-family:var(--font-mono);color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em}
.yt-field-actions{display:flex;gap:6px}
.yt-field-body{padding:14px;font-size:13.5px;line-height:1.7;color:var(--text);word-break:break-word;max-height:160px;overflow-y:auto}
.yt-field-body.no-limit{max-height:none}

.yt-tags-wrap{display:flex;flex-wrap:wrap;gap:7px;padding:14px}
.yt-tag{display:inline-flex;align-items:center;gap:5px;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:4px 12px;font-size:12px;cursor:pointer;transition:var(--transition);font-family:var(--font-mono)}
.yt-tag:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}
.yt-tag.copied{border-color:var(--success)!important;color:var(--success)!important;background:rgba(34,197,94,.1)!important}

.yt-thumb-dl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.yt-thumb-dl-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition)}
.yt-thumb-dl-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.yt-thumb-dl-img{position:relative;background:var(--surface);min-height:100px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.yt-thumb-dl-img img{width:100%;display:block}
.yt-thumb-quality-badge{position:absolute;top:7px;left:7px;background:rgba(0,0,0,.8);color:var(--accent);font-family:var(--font-mono);font-size:11px;font-weight:600;padding:2px 9px;border-radius:5px;backdrop-filter:blur(4px)}
.yt-thumb-dl-info{padding:10px 12px;display:flex;justify-content:space-between;align-items:center}
.yt-thumb-dl-label{font-size:12px;color:var(--text-muted)}
.yt-thumb-dl-size{font-family:var(--font-mono);font-size:11px;color:var(--text-dim)}

.yt-seo-layout{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:start}
.yt-seo-score-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;text-align:center;position:sticky;top:80px}
.yt-seo-score-ring{width:120px;height:120px;margin:0 auto 14px}
.yt-seo-grade{font-family:var(--font-display);font-size:22px;font-weight:800;margin-bottom:4px}
.yt-seo-label{font-size:12px;color:var(--text-muted)}
.yt-seo-checks{display:flex;flex-direction:column;gap:7px}
.yt-seo-check{display:flex;align-items:flex-start;gap:10px;padding:10px 13px;border-radius:9px;font-size:13px;border:1px solid var(--border);background:var(--surface)}
.yt-seo-check.pass{border-color:rgba(34,197,94,.25);background:rgba(34,197,94,.05)}
.yt-seo-check.fail{border-color:rgba(239,68,68,.25);background:rgba(239,68,68,.05)}
.yt-seo-check.warn{border-color:rgba(245,158,11,.25);background:rgba(245,158,11,.05)}
.yt-seo-icon{font-size:15px;flex-shrink:0;padding-top:1px}
.yt-seo-text strong{display:block;font-size:12px;font-weight:600;margin-bottom:2px}
.yt-seo-text span{font-size:11px;color:var(--text-muted);line-height:1.4;display:block}
.yt-char-bar{height:5px;background:var(--border);border-radius:3px;overflow:hidden;margin-top:5px}
.yt-char-fill{height:100%;border-radius:3px;transition:width .4s ease}

.yt-kw-table{width:100%;border-collapse:collapse;font-size:13px}
.yt-kw-table th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);font-size:10px;font-family:var(--font-mono);color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em}
.yt-kw-table td{padding:8px 10px;border-bottom:1px solid var(--border)}
.yt-kw-table tr:last-child td{border-bottom:none}
.yt-kw-table tr:hover td{background:var(--card-hover)}
.kw-bar{height:3px;background:var(--border);border-radius:2px;overflow:hidden;margin-top:4px}
.kw-fill{height:100%;background:var(--accent);border-radius:2px}

.yt-channel-tags-grid{display:flex;flex-direction:column;gap:10px}
.channel-tag-item{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:9px;transition:var(--transition)}
.channel-tag-item:hover{border-color:var(--accent);background:var(--card)}
.channel-tag-rank{font-family:var(--font-mono);font-size:11px;color:var(--text-dim);min-width:28px}
.channel-tag-name{flex:1;font-size:13px;font-family:var(--font-mono)}
.channel-tag-bar-wrap{width:100px}
.channel-tag-bar{height:3px;background:var(--border);border-radius:2px;overflow:hidden}
.channel-tag-fill{height:100%;background:var(--accent2);border-radius:2px}

/* ── Dashboard / Home ───────────────────────────────────────── */
.hero-banner{background:linear-gradient(135deg,var(--surface) 0%,var(--card) 100%);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;margin-bottom:24px;position:relative;overflow:hidden}
.hero-banner::before{content:'';position:absolute;top:-50%;right:-10%;width:400px;height:400px;background:radial-gradient(circle,var(--accent-glow),transparent 60%);pointer-events:none}
.hero-title{font-size:30px;font-weight:800;margin-bottom:8px}
.hero-title span{color:var(--accent)}
.hero-desc{font-size:14px;color:var(--text-muted);max-width:500px;line-height:1.6}
.hero-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.hero-badge{font-family:var(--font-mono);font-size:10px;padding:3px 10px;border-radius:20px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted)}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;transition:var(--transition);position:relative;overflow:hidden;text-decoration:none;display:block}
.tool-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--accent-glow),transparent);opacity:0;transition:var(--transition)}
.tool-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-accent)}
.tool-card:hover::before{opacity:1}
.tool-card.yt-card::before{background:linear-gradient(135deg,var(--yt-red-glow),transparent)}
.tool-card.yt-card:hover{border-color:var(--yt-red);box-shadow:0 0 24px var(--yt-red-glow)}
.tool-card-badge{font-family:var(--font-mono);font-size:9px;padding:1px 7px;border-radius:20px;border:1px solid;display:inline-block;margin-bottom:8px}
.tool-card-icon{font-size:26px;margin-bottom:10px;display:block}
.tool-card-name{font-family:var(--font-display);font-size:15px;font-weight:700;margin-bottom:4px}
.tool-card-desc{font-size:12px;color:var(--text-muted);line-height:1.5}

/* ── Disclaimer ─────────────────────────────────────────────── */
.disclaimer-box{display:flex;gap:10px;align-items:flex-start;padding:11px 14px;background:rgba(245,158,11,.06);border:1px solid rgba(245,158,11,.2);border-radius:var(--radius);margin-top:14px;font-size:12px;color:var(--text-muted);line-height:1.5}
.disclaimer-icon{flex-shrink:0;color:var(--warning);font-size:14px}

/* ── Info/How-it-works box ──────────────────────────────────── */
.info-list{list-style:none;display:flex;flex-direction:column;gap:7px;font-size:13px;color:var(--text-muted);line-height:1.5}
.info-list li{display:flex;align-items:flex-start;gap:8px}
.info-list li::before{content:'›';color:var(--accent);flex-shrink:0;margin-top:1px}

/* ── States ─────────────────────────────────────────────────── */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;color:var(--text-muted);gap:8px;text-align:center}
.empty-icon{font-size:32px}
.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:44px 20px;gap:14px;color:var(--text-muted);font-size:14px}
.loading-spinner{width:34px;height:34px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:36px 20px;gap:8px;color:var(--danger);font-size:14px;text-align:center}
.error-icon{font-size:26px}
.success-toast{position:fixed;bottom:24px;right:24px;background:var(--success);color:#000;font-weight:600;font-size:13px;padding:10px 20px;border-radius:var(--radius);box-shadow:0 4px 20px rgba(34,197,94,.4);z-index:9999;animation:toastIn .25s ease;pointer-events:none}
@keyframes toastIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ── Mobile overlay ─────────────────────────────────────────── */
.mobile-sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99}
.mobile-sidebar-overlay.active{display:block}

/* ── Responsive ─────────────────────────────────────────────── */
@media(max-width:900px){
  .tool-layout-3{grid-template-columns:1fr 1fr}
  .yt-seo-layout{grid-template-columns:1fr}
  .yt-seo-score-card{position:static;text-align:left;display:flex;gap:16px;align-items:center}
  .yt-seo-score-ring{width:80px;height:80px;margin:0;flex-shrink:0}
}
@media(max-width:768px){
  #sidebar-mount{transform:translateX(-100%)}
  #sidebar-mount.mobile-open{transform:translateX(0);box-shadow:0 0 0 9999px rgba(0,0,0,.5)}
  .main-content{margin-left:0}
  #topbar-mount{padding:0 16px}
  .page-content{padding:16px}
  .tool-layout,.tool-layout-3{grid-template-columns:1fr}
  .result-header{flex-direction:column;align-items:flex-start}
  .score-ring{align-self:center}
  .metrics-grid{grid-template-columns:1fr}
  .hero-title{font-size:22px}
  .btn-hamburger{display:flex!important}
  .topbar-status-text{display:none}
  .yt-video-card{grid-template-columns:1fr}
  .image-result-layout{grid-template-columns:1fr}
  .tool-tabs{width:100%}
}
@media(max-width:500px){
  .yt-thumb-dl-grid{grid-template-columns:1fr 1fr}
  .tools-grid{grid-template-columns:1fr 1fr}
}

/* ============================================================
   AdSense Ad Units – Policy Compliant Styling
   ============================================================ */

/* ── Ad wrapper ─────────────────────────────────────────────── */
.ad-wrap {
  width: 100%;
  overflow: hidden;
}

/* ── "Advertisement" label (required by policy) ─────────────── */
.ad-label {
  display: block;
  text-align: center;
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 4px;
  user-select: none;
}

/* ── Header banner slot (below topbar, above content) ──────── */
.ad-unit-header {
  width: 100%;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 90px;
}

/* ── In-content slot (between sections) ────────────────────── */
.ad-unit-in-content {
  width: 100%;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 8px 0;
}

/* ── Sidebar slot (right column, desktop only) ──────────────── */
.ad-unit-sidebar {
  width: 300px;
  min-height: 250px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: sticky;
  top: 74px; /* below topbar */
}

/* ── Below-results slot ─────────────────────────────────────── */
.ad-unit-below-results {
  width: 100%;
  padding: 16px 0 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Footer slot ────────────────────────────────────────────── */
.ad-unit-footer {
  width: 100%;
  padding: 16px 28px 12px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Dev/preview placeholder (shown when not configured) ────── */
.ad-placeholder {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.ad-placeholder-inner {
  width: 100%;
  max-width: 728px;
  min-height: 70px;
  border: 1.5px dashed var(--border);
  border-radius: 8px;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255,255,255,.012) 10px,
    rgba(255,255,255,.012) 20px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12px;
}

/* ── Layout: tool page with sidebar ad ─────────────────────── */
.tool-layout-with-ad {
  display: grid;
  grid-template-columns: 1fr 1fr 300px;
  gap: 20px;
  align-items: start;
}

/* ── Ensure ads never overlap interactive elements ──────────── */
.ad-unit-header,
.ad-unit-in-content,
.ad-unit-sidebar,
.ad-unit-below-results,
.ad-unit-footer {
  pointer-events: auto;
  position: relative;
  z-index: 1;
}

/* ── Hide sidebar ad on small screens (policy: don't cover content) */
@media (max-width: 1100px) {
  .ad-unit-sidebar { display: none !important; }
  .tool-layout-with-ad { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .ad-unit-header { padding: 8px 16px; min-height: 60px; }
  .ad-unit-footer { padding: 10px 16px 8px; }
  .tool-layout-with-ad { grid-template-columns: 1fr; }
  /* Reduce in-content ads on very small screens */
  .ad-unit-in-content { padding: 10px 0; }
}