/* ============================================
   EcomTool v2 — Title Lab + 电商文案工坊
   Styles
   ============================================ */

:root {
  /* 🌏 China-friendly font stack: system fonts first, no external deps */
  --font-sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'HarmonyOS Sans',
    'Microsoft YaHei', 'Hiragino Sans GB', 'WenQuanYi Micro Hei',
    'Noto Sans SC', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
  --radius-sm: 10px; --radius-md: 16px; --radius-lg: 24px; --radius-xl: 32px;
  --transition-fast: 180ms cubic-bezier(0.4,0,0.2,1);
  --transition-base: 280ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 450ms cubic-bezier(0.4,0,0.2,1);
}

[data-theme="dark"] {
  --bg-primary: #0a0a16; --bg-secondary: #13132a;
  --bg-card: rgba(255,255,255,0.04); --bg-card-hover: rgba(255,255,255,0.08);
  --bg-glass: rgba(16,16,40,0.75); --bg-input: rgba(255,255,255,0.06);
  --bg-modal: rgba(0,0,0,0.65);
  --border-color: rgba(255,255,255,0.06); --border-hover: rgba(249,115,22,0.35);
  --text-primary: #e8ecf1; --text-secondary: #8890a5; --text-muted: #4e5468;
  --accent: #f97316; --accent-light: #fb923c;
  --accent-glow: rgba(249,115,22,0.2);
  --purple: #a855f7; --blue: #6366f1; --pink: #ec4899;
  --gradient-hero: linear-gradient(170deg, #0a0a16 0%, #110a24 50%, #0a0a16 100%);
  --gradient-accent: linear-gradient(135deg, #f97316, #ec4899);
  --gradient-card: linear-gradient(145deg, rgba(249,115,22,0.06), rgba(236,72,153,0.04));
  --gradient-pro: linear-gradient(160deg, #11101f, #0c0c1c);
  --success: #10b981; --warning: #f59e0b; --error: #ef4444; --info: #06b6d4;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.15); --shadow-md: 0 8px 24px rgba(0,0,0,0.2);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.25); --shadow-glow: 0 0 40px rgba(249,115,22,0.15);
}

[data-theme="light"] {
  --bg-primary: #ffffff; --bg-secondary: #f8f9fa;
  --bg-card: rgba(255,255,255,0.85); --bg-card-hover: rgba(249,115,22,0.06);
  --bg-glass: rgba(255,255,255,0.82); --bg-input: rgba(248,249,250,0.8);
  --bg-modal: rgba(0,0,0,0.15);
  --border-color: rgba(0,0,0,0.06); --border-hover: rgba(249,115,22,0.3);
  --text-primary: #1a1a2e; --text-secondary: #495057; --text-muted: #868e96;
  --accent: #f97316; --accent-light: #fb923c;
  --accent-glow: rgba(249,115,22,0.12);
  --purple: #a855f7; --blue: #6366f1; --pink: #ec4899;
  --gradient-hero: linear-gradient(170deg, #fafbff 0%, #f5f7fa 30%, #fef5f0 60%, #f8f9fa 100%);
  --gradient-accent: linear-gradient(135deg, #f97316, #ec4899);
  --gradient-card: linear-gradient(145deg, rgba(249,115,22,0.04), rgba(236,72,153,0.02));
  --gradient-pro: linear-gradient(160deg, #f8f9fa, #fef5f0);
  --success: #10b981; --warning: #f59e0b; --error: #ef4444; --info: #06b6d4;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04); --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.08); --shadow-glow: 0 0 40px rgba(249,115,22,0.1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{
  font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);
  line-height:1.6;min-height:100vh;overflow-x:hidden;
  transition:background var(--transition-slow),color var(--transition-slow);
}
/* Light theme: subtle grain texture overlay */
[data-theme="light"] body::before {
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(249,115,22,0.04), transparent),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(236,72,153,0.03), transparent);
  opacity:1;
}
/* GPU acceleration baseline */
.nav,.hero,.tool-panel,.wizard-box,.compare-card,.decon-card,.tool-card,
.identity-card,.task-card,.pricing-card,.pro-card{will-change:transform;transform:translateZ(0)}
a{color:var(--accent-light);text-decoration:none}a:hover{color:var(--accent)}
img{max-width:100%}button{cursor:pointer;border:none;font-family:inherit;font-size:inherit;outline:none}
input,textarea{font-family:inherit;font-size:inherit;outline:none}ul{list-style:none}
::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:2px}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* ── Glass Effect Utility ── */
.glass{background:var(--bg-glass);backdrop-filter:blur(24px) saturate(1.2);-webkit-backdrop-filter:blur(24px) saturate(1.2);border:1px solid var(--border-color)}
.glass-strong{backdrop-filter:blur(32px) saturate(1.4);-webkit-backdrop-filter:blur(32px) saturate(1.4)}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--bg-glass);backdrop-filter:blur(28px) saturate(1.3);-webkit-backdrop-filter:blur(28px) saturate(1.3);border-bottom:1px solid var(--border-color);transition:all var(--transition-base)}
.nav.scrolled{box-shadow:var(--shadow-md)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:1100px;margin:0 auto;padding:0 20px}
.nav-brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:1.1rem;color:var(--text-primary)}
.nav-logo{width:34px;height:34px;border-radius:var(--radius-sm);background:var(--gradient-accent);display:flex;align-items:center;justify-content:center;font-size:.95rem;color:#fff}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{padding:6px 14px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.85rem;font-weight:500}
.nav-link:hover{color:var(--text-primary);background:var(--bg-card-hover)}
.nav-actions{display:flex;align-items:center;gap:8px}
.theme-toggle{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);font-size:1rem;display:flex;align-items:center;justify-content:center}
.theme-toggle:hover{background:var(--bg-card-hover)}
.nav-pro-badge{padding:7px 16px;border-radius:24px;font-size:.82rem;font-weight:700;color:#fff;background:var(--gradient-accent);box-shadow:0 4px 15px var(--accent-glow)}
.nav-pro-badge:hover{transform:translateY(-1px);box-shadow:0 6px 22px var(--accent-glow);color:#fff}

/* Hero v2 — seamless with page background */
.hero{position:relative;padding:110px 0 60px;background:transparent;text-align:center;overflow:hidden}
.hero::before,.hero::after{content:'';position:absolute;border-radius:50%;filter:blur(120px);opacity:.12;pointer-events:none;z-index:-1}
.hero::before{width:500px;height:500px;background:var(--accent);top:-200px;right:-150px}
.hero::after{width:400px;height:400px;background:var(--purple);bottom:-150px;left:-100px}
[data-theme="light"] .hero::before,[data-theme="peach"] .hero::before,[data-theme="mint"] .hero::before,[data-theme="lavender"] .hero::before{opacity:.08}
[data-theme="light"] .hero::after,[data-theme="peach"] .hero::after,[data-theme="mint"] .hero::after,[data-theme="lavender"] .hero::after{opacity:.06}
.hero-content{position:relative;z-index:1;padding:20px;border-radius:var(--radius-xl);background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color);max-width:600px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 16px;border-radius:24px;background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.82rem;margin-bottom:20px}
.hero-badge-dot{width:7px;height:7px;border-radius:50%;background:#10b981;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.2;margin-bottom:12px;letter-spacing:-.02em}
.hero-title-accent{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
/* Ensure gradient text has fallback for browsers that don't support clip */
.hero-title{-webkit-text-fill-color:var(--text-primary);color:var(--text-primary)}
.hero-title .hero-title-accent{-webkit-text-fill-color:transparent}
.hero-subtitle{font-size:1.1rem;color:var(--text-secondary);max-width:540px;margin:0 auto 24px;line-height:1.6}
.hero-input-row{display:flex;align-items:center;max-width:560px;margin:0 auto 16px;gap:10px}
.hero-input{flex:1;padding:14px 18px;border-radius:var(--radius-md);background:var(--bg-glass);border:1px solid var(--border-color);color:var(--text-primary);font-size:1rem;outline:none;transition:border-color var(--transition-fast);backdrop-filter:blur(10px)}
.hero-input:focus{border-color:var(--accent);box-shadow:var(--shadow-glow)}
.hero-input::placeholder{color:var(--text-muted)}
.hero-cta-btn{padding:14px 28px;border-radius:var(--radius-md);background:var(--gradient-accent);color:#fff!important;font-weight:700;font-size:.95rem;box-shadow:0 4px 20px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.15);transition:all var(--transition-base);white-space:nowrap;text-shadow:0 1px 3px rgba(0,0,0,.2)}
.hero-cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.2);color:#fff!important}
.hero-input-btn{flex-shrink:0}
.hero-counter{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:24px;background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.8rem}
.hero-counter-num{font-weight:800;color:var(--accent)}

/* Hero Path Cards */
.hero-paths{display:flex;justify-content:center;gap:12px;margin-top:24px;flex-wrap:wrap}
.hero-path{padding:14px 18px;border-radius:var(--radius-lg);background:var(--bg-glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);cursor:pointer;transition:all var(--transition-base);text-align:center;min-width:120px;flex:0 0 auto}
.hero-path:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 8px 30px var(--accent-glow)}
.hero-path-icon{display:block;font-size:1.6rem;margin-bottom:4px}
.hero-path-title{display:block;font-weight:700;font-size:.85rem;margin-bottom:2px}
.hero-path-desc{display:block;font-size:.7rem;color:var(--text-muted)}

/* Identity */
.identity-section{padding:48px 0 24px}
.identity-header{text-align:center;margin-bottom:28px}
.identity-title{font-size:1.3rem;font-weight:700;margin-bottom:6px}
.identity-subtitle{color:var(--text-secondary);font-size:.88rem}
.identity-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;max-width:700px;margin:0 auto}
.identity-card{padding:20px 12px;border-radius:var(--radius-lg);text-align:center;background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}
.identity-card::before{content:'';position:absolute;inset:0;background:var(--gradient-card);opacity:0;transition:opacity var(--transition-base)}
.identity-card:hover::before{opacity:1}
.identity-card:hover{transform:translateY(-3px);border-color:var(--border-hover);box-shadow:var(--shadow-md)}
.identity-card.active{border-color:var(--accent);background:rgba(249,115,22,.08)}
.identity-icon{font-size:1.8rem;margin-bottom:8px}
.identity-name{font-weight:700;font-size:.9rem;margin-bottom:2px}
.identity-desc{font-size:.72rem;color:var(--text-muted)}

/* Task */
.task-section{padding:0 0 32px;display:none}
.task-section.show{display:block}
.task-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;max-width:700px;margin:0 auto}
.task-card{padding:16px 14px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:10px}
.task-card:hover{background:var(--bg-card-hover);border-color:var(--accent)}
.task-card-icon{font-size:1.2rem;flex-shrink:0}
.task-card-text{font-weight:600;font-size:.85rem}
.task-card-desc{font-size:.72rem;color:var(--text-muted);font-weight:400}

/* Social Proof Bar */
.social-bar{padding:32px 0;text-align:center}
.social-quotes{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}
.social-quote{max-width:300px;padding:16px 20px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color);font-size:.85rem;color:var(--text-secondary);line-height:1.5}
.social-quote-icon{font-size:1.2rem;margin-bottom:6px}
.social-quote strong{color:var(--text-primary)}

/* Tools */
.tools-section{padding:40px 0 48px}
.section-header{text-align:center;margin-bottom:28px}
.section-header h2{font-size:1.3rem;font-weight:700;margin-bottom:4px}
.section-header p{color:var(--text-secondary);font-size:.85rem}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;max-width:900px;margin:0 auto}
.tool-card{padding:20px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;transition:all var(--transition-base)}
.tool-card:hover{transform:translateY(-2px);border-color:var(--border-hover);box-shadow:var(--shadow-md)}
.tool-card-hero{border-color:var(--accent);background:var(--gradient-card);box-shadow:var(--shadow-glow)}
.tool-card-hero:hover{box-shadow:var(--shadow-glow),0 8px 30px var(--accent-glow)}
.tool-card-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.tool-card-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--bg-input);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.tool-card-name{font-size:.95rem;font-weight:700;flex:1}
.tool-card-free{font-size:.65rem;padding:2px 8px;border-radius:10px;background:rgba(16,185,129,.15);color:var(--success);font-weight:700}
.tool-card-pro{font-size:.65rem;padding:2px 8px;border-radius:10px;background:rgba(249,115,22,.15);color:var(--accent);font-weight:700}
.tool-card-desc{font-size:.82rem;color:var(--text-secondary);line-height:1.5;margin-bottom:8px}
.tool-card-tags{display:flex;gap:5px;flex-wrap:wrap}
.tool-card-tag{font-size:.68rem;padding:2px 8px;border-radius:10px;background:var(--bg-input);color:var(--text-muted)}

/* ══════════ COMPARE CARD ══════════ */
.compare-card{background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-color);padding:24px;overflow:hidden}
.compare-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.compare-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:20px;background:rgba(249,115,22,.12);color:var(--accent);font-size:.82rem;font-weight:700}
.compare-date{color:var(--text-muted);font-size:.78rem}
.compare-panels{display:flex;align-items:stretch;gap:14px;margin-bottom:16px}
.compare-panel{flex:1;padding:18px;border-radius:var(--radius-md)}
.compare-before{border:1px solid rgba(239,68,68,.15);background:rgba(239,68,68,.03)}
.compare-after{border:1px solid rgba(16,185,129,.25);background:rgba(16,185,129,.04)}
.compare-panel-label{font-size:.78rem;color:var(--text-muted);margin-bottom:8px;font-weight:600}
.compare-panel-title{font-size:1.1rem;font-weight:700;line-height:1.5;margin-bottom:10px;word-break:break-word}
.highlight{color:var(--accent)}
.compare-score{font-size:1.6rem;font-weight:800;line-height:1}
.compare-score-num{font-size:2rem}
.compare-score-grade{font-size:.9rem;font-weight:600;margin-left:4px}
.compare-improve{display:inline-block;margin-left:8px;padding:2px 10px;border-radius:10px;background:rgba(16,185,129,.15);color:var(--success);font-size:.85rem;font-weight:700}
.compare-details{font-size:.78rem;color:var(--text-secondary);line-height:1.8;margin-top:8px}
.compare-issues{margin-top:8px;display:flex;flex-wrap:wrap;gap:4px}
.issue-tag{font-size:.7rem;padding:2px 8px;border-radius:10px;background:rgba(239,68,68,.08);color:var(--error)}
.compare-arrow{display:flex;align-items:center;font-size:1.5rem;color:var(--accent);flex-shrink:0;padding:0 6px}
.compare-alternatives{margin-bottom:16px}
.compare-alt-label{font-size:.78rem;color:var(--text-muted);margin-bottom:8px;font-weight:600}
.compare-alt-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);background:var(--bg-card);margin-bottom:6px}
.compare-alt-num{color:var(--text-muted);font-weight:700;font-size:.75rem;min-width:20px}
.compare-alt-title{flex:1;font-size:.9rem;font-weight:500;word-break:break-word}
.compare-alt-score{font-weight:700;font-size:.85rem}
.compare-metrics{display:flex;gap:10px;margin-bottom:16px}
.compare-metric{flex:1;text-align:center;padding:14px 8px;border-radius:var(--radius-sm);background:rgba(249,115,22,.05)}
.compare-metric-val{font-size:1.3rem;font-weight:800;color:var(--accent)}
.compare-metric-label{font-size:.68rem;color:var(--text-muted);margin-top:2px}
.compare-watermark{text-align:center;font-size:.75rem;color:var(--text-muted);padding-top:14px;border-top:1px solid var(--border-color);margin-bottom:12px}
.compare-watermark strong{color:var(--accent)}
.compare-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.compare-tips{font-size:.78rem;color:var(--text-secondary);padding:10px 14px;border-radius:var(--radius-sm);background:rgba(249,115,22,.05);border:1px solid rgba(249,115,22,.1);margin-bottom:14px;line-height:1.6}
.compare-tips strong{color:var(--accent)}
.platform-tabs-row{display:flex;align-items:center;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.platform-tabs-scroll{display:flex;gap:5px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:4px}
.platform-tabs-scroll::-webkit-scrollbar{display:none}
.platform-tab{padding:5px 12px;border-radius:16px;font-size:.72rem;font-weight:600;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;flex-shrink:0}
.platform-tab:hover{background:var(--bg-card-hover);color:var(--text-primary)}
.platform-tab.active{background:var(--accent);border-color:var(--accent);color:#fff}
.issue-danger{background:rgba(239,68,68,.15)!important;color:var(--error)!important}
.compare-alt-best{border-color:var(--accent)!important;background:rgba(249,115,22,.04)!important}
.compare-alt-type{font-size:.65rem;color:var(--text-muted);padding:1px 6px;border-radius:8px;background:var(--bg-input)}

/* ── Lens Mode Toggle ── */
.lens-mode-btn{padding:4px 12px;border-radius:14px;font-size:.72rem;font-weight:600;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.lens-mode-btn:hover{background:var(--bg-card-hover)}
.lens-mode-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}

/* ── Deconstruction Card ── */
.decon-card{background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-color);padding:20px}
.decon-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.decon-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:20px;background:rgba(99,102,241,.12);color:var(--blue);font-size:.8rem;font-weight:700}
.decon-original{padding:14px 18px;border-radius:var(--radius-md);background:rgba(99,102,241,.06);border:1px dashed rgba(99,102,241,.2);margin-bottom:16px;font-size:.95rem;font-weight:600;word-break:break-word;color:var(--text-primary)}
.decon-formula{padding:12px 16px;border-radius:var(--radius-md);background:var(--bg-input);margin-bottom:16px;font-family:var(--font-mono);font-size:.82rem;line-height:1.8}
.decon-formula .tag{display:inline-block;padding:2px 10px;border-radius:10px;font-size:.72rem;margin:1px 2px;font-weight:600}
.decon-formula .tag-core{background:rgba(249,115,22,.15);color:var(--accent)}
.decon-formula .tag-attr{background:rgba(99,102,241,.12);color:var(--blue)}
.decon-formula .tag-sell{background:rgba(16,185,129,.12);color:var(--success)}
.decon-formula .tag-scene{background:rgba(168,85,247,.12);color:var(--purple)}
.decon-formula .tag-aud{background:rgba(236,72,153,.12);color:var(--pink)}
.decon-formula .tag-time{background:rgba(245,158,11,.12);color:var(--warning)}
.decon-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-bottom:16px}
.decon-block{padding:12px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border-color)}
.decon-block-label{font-size:.7rem;font-weight:700;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase}
.decon-block-item{font-size:.82rem;padding:3px 0;display:flex;align-items:center;gap:6px}
.decon-block-badge{display:inline-block;padding:1px 7px;border-radius:8px;font-size:.65rem;font-weight:700}
.decon-mapping{margin-bottom:16px}
.decon-mapping h4{font-size:.82rem;font-weight:700;margin-bottom:8px;color:var(--text-primary)}
.decon-mapping-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:8px}
.decon-mapping-item{padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border-color);font-size:.82rem;display:flex;align-items:center;gap:8px}
.decon-mapping-from{color:var(--text-muted);font-size:.75rem}
.decon-mapping-arrow{color:var(--accent)}
.decon-mapping-to{font-weight:700;color:var(--text-primary)}
.decon-variants{margin-bottom:16px}
.decon-variants h4{font-size:.82rem;font-weight:700;margin-bottom:8px;color:var(--text-primary)}
.decon-variant-item{padding:10px 14px;border-radius:var(--radius-sm);background:rgba(16,185,129,.03);border:1px solid rgba(16,185,129,.12);margin-bottom:6px;font-size:.85rem;display:flex;justify-content:space-between;align-items:center}
.decon-variant-label{font-size:.65rem;color:var(--text-muted);padding:2px 8px;border-radius:8px;background:var(--bg-input)}

/* ── Install Button ── */
.install-btn{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:.9rem;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;box-shadow:0 2px 8px var(--accent-glow);transition:all var(--transition-fast);flex-shrink:0}
.install-btn:hover{background:var(--accent-light);transform:scale(1.05)}

/* ── Wizard ── */
.wizard-section{padding:0 0 32px}
.wizard-box{max-width:680px;margin:0 auto;padding:24px 20px;border-radius:var(--radius-xl);text-align:center}
.wizard-header{margin-bottom:16px}
.wizard-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:24px;background:rgba(16,185,129,.12);color:var(--success);font-size:.8rem;font-weight:700;margin-bottom:6px}
.wizard-subtitle{display:block;font-size:.82rem;color:var(--text-muted)}
.wizard-input-row{display:flex;gap:8px;max-width:440px;margin:0 auto 12px}
.wizard-input{flex:1;padding:10px 14px;border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);font-size:.9rem;outline:none;transition:border-color var(--transition-fast)}
.wizard-input:focus{border-color:var(--accent)}
.wizard-go-btn{padding:10px 20px;border-radius:var(--radius-md);background:var(--gradient-accent);color:#fff!important;font-weight:700;font-size:.88rem;box-shadow:0 4px 15px var(--accent-glow);white-space:nowrap;transition:all var(--transition-base);text-shadow:0 1px 2px rgba(0,0,0,.15)}
.wizard-go-btn:hover{transform:translateY(-1px);box-shadow:0 6px 25px var(--accent-glow)}
.wizard-chips{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap}
.wiz-chip{padding:5px 13px;border-radius:16px;font-size:.75rem;font-weight:600;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.wiz-chip:hover{background:var(--bg-card-hover);border-color:var(--accent);color:var(--text-primary)}
.wiz-chip.active{background:var(--accent);border-color:var(--accent);color:#fff}

/* Wizard Steps */
.wizard-steps{margin-top:20px;padding-top:20px;border-top:1px solid var(--border-color)}
.wizard-step{margin-bottom:14px;display:none}
.wizard-step.active{display:block}
.wizard-step-label{font-size:.78rem;font-weight:700;color:var(--text-muted);margin-bottom:8px;text-align:left}
.wizard-options{display:flex;gap:6px;flex-wrap:wrap}
.wiz-option{padding:6px 14px;border-radius:16px;font-size:.78rem;font-weight:500;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}
.wiz-option:hover{background:var(--bg-card-hover);border-color:var(--accent)}
.wiz-option.selected{background:var(--accent);border-color:var(--accent);color:#fff}
.wiz-skip{font-size:.72rem;color:var(--text-muted);padding:6px 10px;background:none;border:none;cursor:pointer}
.wiz-skip:hover{color:var(--text-primary)}

/* Wizard Preview */
.wizard-preview{padding:16px;border-radius:var(--radius-md);background:rgba(16,185,129,.05);border:1px solid rgba(16,185,129,.15);margin-top:14px;text-align:center}
.wizard-preview-label{font-size:.72rem;color:var(--text-muted);margin-bottom:6px}
.wizard-preview-title{font-size:1.05rem;font-weight:700;line-height:1.5;word-break:break-word;margin-bottom:8px}
.wizard-preview-score{font-size:1.8rem;font-weight:800;color:var(--success);margin-bottom:12px}
.wizard-preview-actions{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}

/* ── Mobile Dock ── */
.mobile-dock{display:none;position:fixed;bottom:0;left:0;right:0;z-index:999;background:var(--bg-glass);backdrop-filter:blur(28px) saturate(1.3);-webkit-backdrop-filter:blur(28px) saturate(1.3);border-top:1px solid var(--border-color);padding:6px 8px 8px;justify-content:space-around;align-items:flex-start}
.dock-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 0;background:none;border:none;color:var(--text-muted);font-size:.65rem;cursor:pointer;transition:color var(--transition-fast);min-width:44px}
.dock-item:hover,.dock-item.active{color:var(--accent)}
.dock-icon{font-size:1.2rem}
.dock-label{font-size:.6rem;font-weight:500}
.dock-cta .dock-icon{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.dock-cta .dock-label{color:var(--accent);font-weight:700}

@media(max-width:768px){
  .mobile-dock{display:flex}
  body{padding-bottom:70px}
  .toast-container{bottom:80px}
  .tool-panel-overlay{padding-bottom:80px}
}

/* ── Install Banner ── */
.install-banner{background:var(--gradient-accent);color:#fff;text-align:center;font-size:.85rem;display:none}
.install-banner .btn-primary{background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.3)}
.install-banner .btn-primary:hover{background:rgba(255,255,255,.3)}
.install-banner .btn-ghost{color:rgba(255,255,255,.6)}
.install-banner .btn-ghost:hover{color:#fff}

/* Hot chip */
.wiz-chip.hot{border-color:var(--accent);background:rgba(249,115,22,.08)}
/* ══════════════════════════════════ */

/* Output placeholder */
.output-placeholder{text-align:center;padding:40px 20px;color:var(--text-muted);font-size:1.05rem}

/* ── Loading & Feedback ── */
.loading-spinner{display:inline-flex;align-items:center;gap:8px;color:var(--text-muted);font-size:.88rem;padding:20px;justify-content:center}
.loading-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:loading-bounce 0.6s infinite alternate}
.loading-dot:nth-child(2){animation-delay:0.15s}
.loading-dot:nth-child(3){animation-delay:0.3s}
@keyframes loading-bounce{from{transform:translateY(0);opacity:0.3}to{transform:translateY(-8px);opacity:1}}
.copy-flash{animation:copy-flash 0.4s ease}
@keyframes copy-flash{0%{background:rgba(16,185,129,0.3)}100%{background:transparent}}
.input-shake{animation:input-shake 0.4s ease}
@keyframes input-shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
.btn-copied{background:var(--success)!important;color:#fff!important}
.score-pop{animation:score-pop 0.5s cubic-bezier(0.175,0.885,0.32,1.275)}
@keyframes score-pop{from{transform:scale(0.5);opacity:0}to{transform:scale(1);opacity:1}}

/* ── Tool toggle buttons show/hide ── */
.lens-mode-btn.hidden{display:none!important}

/* Tool Panel */
.tool-panel-overlay{position:fixed;inset:0;z-index:2000;background:var(--bg-modal);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.tool-panel-overlay.open{opacity:1;visibility:visible}
.tool-panel{width:100%;max-width:900px;max-height:90vh;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;transform:translateY(20px);transition:transform var(--transition-base)}
.tool-panel-overlay.open .tool-panel{transform:translateY(0)}
.tool-panel-header{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border-color);flex-shrink:0}
.tool-panel-icon{font-size:1.3rem}.tool-panel-name{flex:1;font-weight:700;font-size:1rem}
.tool-panel-close{width:32px;height:32px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.85rem;display:flex;align-items:center;justify-content:center}
.tool-panel-close:hover{color:var(--error)}
.tool-panel-body{flex:1;overflow-y:auto;padding:16px 20px}
.tool-panel-body label{display:block;font-size:.75rem;font-weight:700;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}
.tool-panel-body textarea{width:100%;min-height:80px;padding:12px;border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);font-family:var(--font-mono);font-size:.85rem;line-height:1.6;resize:vertical;transition:border-color var(--transition-fast)}
.tool-panel-body textarea:focus{outline:none;border-color:var(--accent)}
.tool-panel-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;transition:all var(--transition-fast)}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-light);box-shadow:0 4px 15px var(--accent-glow)}
.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover)}
.btn-ghost{background:none;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary)}
.btn-sm{padding:5px 12px;font-size:.78rem}
.tool-output{margin-top:16px;min-height:60px;font-family:var(--font-mono);font-size:.84rem;line-height:1.7;color:var(--text-primary);white-space:pre-wrap;word-break:break-all}

/* ── Tone Toggle ── */
.tone-toggle-row{display:flex;align-items:center;gap:8px;margin-bottom:10px;padding-top:8px;border-top:1px solid var(--border-color)}
.tone-toggle-label{font-size:.72rem;color:var(--text-muted);font-weight:600}
.tone-toggle{display:flex;background:var(--bg-input);border-radius:var(--radius-md);padding:3px;border:1px solid var(--border-color)}
.tone-btn{font-size:.72rem;padding:5px 12px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.tone-btn.active{background:var(--accent);color:#fff;font-weight:700;box-shadow:0 2px 8px var(--accent-glow);text-shadow:0 1px 2px rgba(0,0,0,.2)}
.tone-btn:hover:not(.active){color:var(--text-secondary)}

/* Pro v2 - ROI */
.pro-section{padding:60px 0 72px}
.pro-card{max-width:640px;margin:0 auto;padding:36px 32px;border-radius:var(--radius-xl);background:var(--gradient-pro);border:1px solid rgba(249,115,22,.15);text-align:center;box-shadow:var(--shadow-glow)}
.pro-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:24px;background:rgba(249,115,22,.12);color:var(--accent);font-size:.8rem;font-weight:700;margin-bottom:12px}
.pro-title{font-size:1.5rem;font-weight:800;margin-bottom:6px}
.pro-desc{color:var(--text-secondary);font-size:.88rem;margin-bottom:12px}
.pro-highlight{color:var(--accent);font-weight:700}
.pro-roi{font-size:.95rem;font-weight:700;color:var(--success);margin-bottom:20px}
.pro-roi-box{display:inline-flex;align-items:center;gap:12px;padding:14px 24px;border-radius:var(--radius-md);background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.15);margin-bottom:18px}
.pro-roi-box .pro-price{font-size:2rem;font-weight:800;color:var(--text-primary)}
.pro-roi-box .pro-period{color:var(--text-muted);font-size:.85rem}
.pro-roi-box .pro-divider{color:var(--text-muted)}
.pro-roi-box .pro-return{font-size:.95rem;font-weight:700;color:var(--success)}
.pro-features{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:20px}
.pro-feature{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--text-secondary)}
.pro-feature-icon{color:var(--success);font-weight:700}
.pro-features-head{text-align:center;font-size:.8rem;color:var(--text-muted);margin-bottom:12px;font-weight:600}
.pro-guarantee{font-size:.82rem;color:var(--text-muted);margin-bottom:52px}
.pro-guarantee strong{color:var(--accent)}
.pro-roi-btn .pro-roi-btn:hover{color:#fff!important}.pro-roi-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-md);background:var(--gradient-accent);color:#fff!important;font-weight:700;font-size:.92rem;box-shadow:0 4px 20px var(--accent-glow);transition:all var(--transition-base);border:none;cursor:pointer;font-family:inherit;text-shadow:0 1px 2px rgba(0,0,0,.15)}
.pro-roi-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow);color:#fff}

/* ── Payment Plans ── */
.pro-plans{display:flex;justify-content:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.pro-plan{flex:1;min-width:140px;max-width:180px;padding:16px 10px;border-radius:var(--radius-lg);background:var(--bg-card);border:2px solid var(--border-color);cursor:pointer;transition:all var(--transition-fast);text-align:center;position:relative}
.pro-plan:hover{border-color:var(--accent)}
.pro-plan.selected{border-color:var(--accent);background:rgba(249,115,22,.06);box-shadow:0 0 20px var(--accent-glow)}
.pro-plan-popular{position:absolute;top:-10px;left:50%;transform:translateX(-50%);padding:2px 12px;border-radius:10px;background:var(--gradient-accent);color:#fff;font-size:.65rem;font-weight:700;white-space:nowrap}
.pro-plan-price{font-size:1.6rem;font-weight:800;color:var(--text-primary);line-height:1}
.pro-plan-period{font-size:.75rem;font-weight:400;color:var(--text-muted)}
.pro-plan-label{font-size:.78rem;color:var(--text-secondary);margin-top:4px;font-weight:600}
.pro-plan-save{font-size:.68rem;color:var(--success);font-weight:700;margin-top:2px}
.pro-plan-sub{font-size:.68rem;color:var(--text-muted);margin-top:2px}

/* ── Payment Modal ── */
.payment-modal-overlay{position:fixed;inset:0;z-index:3000;background:var(--bg-modal);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.payment-modal-overlay.open{opacity:1;visibility:visible}
.payment-modal{width:100%;max-width:420px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);overflow:hidden}
.payment-modal-header{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--border-color)}
.payment-modal-title{flex:1;font-weight:700;font-size:1rem}
.payment-modal-close{width:28px;height:28px;border-radius:50%;background:var(--bg-input);border:none;color:var(--text-secondary);font-size:.8rem;cursor:pointer}
.payment-modal-close:hover{color:var(--error)}
.payment-modal-body{padding:20px}
.payment-plan-summary{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-radius:var(--radius-md);background:rgba(249,115,22,.06);border:1px solid rgba(249,115,22,.15);margin-bottom:8px}
.payment-plan-name{font-weight:700;font-size:.9rem}
.payment-plan-price{font-size:1.4rem;font-weight:800;color:var(--accent)}
.payment-desc{text-align:center;font-size:.78rem;color:var(--text-muted);margin-bottom:16px}
.payment-steps{display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.payment-step{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color)}
.payment-step-num{width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0}
.payment-step-text{flex:1}
.payment-step-text strong{display:block;font-size:.82rem;margin-bottom:2px}
.payment-step-hint{font-size:.7rem;color:var(--text-muted)}
.payment-step-input-row{padding:0 14px 12px;display:flex;flex-direction:column}
.payment-pay-btn,.payment-verify-btn{padding:8px 16px;border-radius:var(--radius-sm);font-size:.82rem;font-weight:700;white-space:nowrap;text-decoration:none;display:inline-flex;align-items:center;gap:4px}
.payment-pay-btn{background:var(--gradient-accent);color:#fff;cursor:pointer}
.payment-pay-btn:hover{box-shadow:0 4px 15px var(--accent-glow);color:#fff}
.payment-verify-btn{background:var(--success);color:#fff;border:none;cursor:pointer}
.payment-verify-btn:hover{opacity:.9}
.payment-note{text-align:center;font-size:.7rem;color:var(--text-muted);line-height:1.5}
.activate-code-input{font-family:var(--font-mono);letter-spacing:1px}
.activate-code-input::placeholder{letter-spacing:0;font-family:var(--font-sans)}

/* Admin tabs */
.admin-tab{padding:4px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);cursor:pointer;font-size:.72rem;transition:all var(--transition-fast)}
.admin-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.admin-tab-content{padding:8px 0}
@media(max-width:480px){.payment-modal{margin:8px}}

/* ── Nav User Button ── */
.nav-user-btn{display:flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-lg);background:var(--bg-input);border:1px solid var(--border-color);cursor:pointer;font-size:.78rem;color:var(--text-secondary);transition:all var(--transition-fast)}
.nav-user-btn:hover{background:var(--bg-card-hover)}
.nav-user-avatar{width:24px;height:24px;border-radius:50%;background:var(--gradient-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700}
.nav-user-name{max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-login-btn{padding:5px 12px;border-radius:var(--radius-lg);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.78rem;cursor:pointer;transition:all var(--transition-fast)}
.nav-login-btn:hover{color:var(--accent);border-color:var(--accent)}

/* ── Auth Modal ── */
.auth-modal-overlay{position:fixed;inset:0;z-index:3100;background:var(--bg-modal);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.auth-modal-overlay.open{opacity:1;visibility:visible}
.auth-modal{width:100%;max-width:380px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);overflow:hidden}
.auth-modal-header{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--border-color)}
.auth-modal-title{flex:1;font-weight:700;font-size:1rem}
.auth-modal-close{width:28px;height:28px;border-radius:50%;background:var(--bg-input);border:none;color:var(--text-secondary);font-size:.8rem;cursor:pointer}
.auth-modal-close:hover{color:var(--error)}
.auth-modal-body{padding:20px}
.auth-label{display:block;font-size:.75rem;font-weight:700;color:var(--text-secondary);margin-bottom:6px;margin-top:12px}
.auth-label:first-child{margin-top:0}
.auth-input{width:100%;padding:10px 14px;border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);font-size:.88rem;outline:none;transition:border-color var(--transition-fast)}
.auth-input:focus{border-color:var(--accent)}
.auth-error{margin-top:10px;padding:8px 12px;border-radius:var(--radius-sm);background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.15);color:var(--error);font-size:.78rem}
.auth-submit-btn{width:100%;margin-top:14px;padding:12px;border-radius:var(--radius-md);background:var(--gradient-accent);color:#fff;font-weight:700;font-size:.9rem;border:none;cursor:pointer;transition:all var(--transition-fast)}
.auth-submit-btn:hover{box-shadow:0 4px 15px var(--accent-glow)}
.auth-submit-btn:disabled{opacity:.6;cursor:not-allowed}
.auth-toggle{margin-top:14px;text-align:center;font-size:.78rem;color:var(--text-muted)}
.auth-toggle-btn{background:none;border:none;color:var(--accent);font-weight:700;font-size:.78rem;cursor:pointer;margin-left:4px}
.auth-toggle-btn:hover{text-decoration:underline}

/* ════════════════════════════════════════════
   🔬 Inline Title Lab — homepage core
   ════════════════════════════════════════════ */
.title-lab-section{
  padding:48px 0 56px;
  /* Seamless with page background — no hard borders or separate bg */
  position:relative;
}
.title-lab-section::before{
  content:'';position:absolute;top:0;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,transparent,var(--border-color),transparent);opacity:.5;
}
.tl-header{
  display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:20px
}
.tl-title{font-size:1.35rem;font-weight:800;margin-bottom:4px}
.tl-subtitle{color:var(--text-secondary);font-size:.85rem}

/* Platform chips */
.tl-platforms{display:flex;flex-wrap:wrap;gap:6px}
.tl-platform{
  padding:5px 12px;border-radius:var(--radius-lg);background:var(--bg-input);
  border:1px solid var(--border-color);color:var(--text-secondary);font-size:.78rem;
  font-weight:500;cursor:pointer;transition:all var(--transition-fast)
}
.tl-platform:hover{border-color:var(--accent);color:var(--accent)}
.tl-platform.active{
  background:var(--accent);color:#fff;border-color:var(--accent);font-weight:700
}

/* ── Hero Lab Switch ── */
.hero-lab-switch{display:flex;gap:8px;margin:12px auto 8px;justify-content:center}
.hero-lab-tab{display:inline-flex;align-items:center;gap:5px;padding:8px 18px;border-radius:var(--radius-lg);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);font-size:.82rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}
.hero-lab-tab.active{background:var(--gradient-accent);color:#fff;border-color:transparent;text-shadow:0 1px 3px rgba(0,0,0,.3)}
.hero-lab-tab:hover:not(.active){border-color:var(--border-hover);background:var(--bg-card-hover)}

/* ── Video Lab ── */
.vl-platforms{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.vl-platform{font-size:.75rem;padding:6px 12px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.vl-platform.active{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.25)}
.vl-platform:hover:not(.active){border-color:var(--border-hover)}
.vl-new-badge{display:inline-block;font-size:.55rem;padding:1px 6px;border-radius:6px;background:linear-gradient(135deg,#f97316,#ec4899);color:#fff;font-weight:700;vertical-align:middle;margin-left:4px}
.vl-config{margin-bottom:12px}
.vl-category-row,.vl-subtag-row,.vl-style-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.vl-config-label{font-size:.75rem;color:var(--text-muted);font-weight:600;min-width:36px}
.vl-categories{display:flex;flex-wrap:wrap;gap:5px;flex:1}
.vl-cat{font-size:.7rem;padding:5px 10px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.vl-cat.active{background:rgba(168,85,247,.15);border-color:var(--purple);color:var(--purple);font-weight:700}
.vl-cat:hover:not(.active){border-color:var(--border-hover)}
.vl-subtags{display:flex;flex-wrap:wrap;gap:4px;flex:1}
.vl-subtag{font-size:.68rem;padding:3px 8px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast)}
.vl-subtag.active{background:rgba(249,115,22,.12);border-color:var(--accent);color:var(--accent);font-weight:600}
.vl-subtag:hover:not(.active){border-color:var(--border-hover)}
.vl-styles{display:flex;flex-wrap:wrap;gap:5px;flex:1}
.vl-style{font-size:.7rem;padding:5px 10px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.vl-style.active{background:rgba(236,72,153,.12);border-color:var(--pink);color:var(--pink);font-weight:700}
.vl-style:hover:not(.active){border-color:var(--border-hover)}
.vl-result-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:16px;margin-bottom:12px;transition:all var(--transition-fast)}
.vl-result-card:hover{border-color:var(--border-hover)}
.vl-result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.vl-result-style{font-size:.7rem;padding:3px 8px;border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-secondary)}
.vl-result-score{font-size:.85rem;font-weight:700;color:var(--accent)}
.vl-result-title{font-size:1.05rem;font-weight:700;line-height:1.5;margin-bottom:8px;color:var(--text-primary)}
.vl-result-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:.7rem;color:var(--text-muted)}
.vl-result-meta span{display:flex;align-items:center;gap:3px}
.vl-cover-box{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:16px;margin-top:12px}
.vl-cover-title{font-size:.82rem;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.vl-cover-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:.75rem;color:var(--text-secondary);line-height:1.7}
.vl-cover-item{background:var(--bg-input);border-radius:var(--radius-md);padding:10px}
.vl-cover-item strong{display:block;font-size:.72rem;color:var(--accent);margin-bottom:3px}

/* Mobile */
@media(max-width:600px){
  .vl-cover-grid{grid-template-columns:1fr}
  .vl-styles{gap:4px}
  .vl-style{font-size:.65rem;padding:4px 8px}
  .vl-cat{font-size:.65rem;padding:4px 8px}
}

/* ── Video Lab Panels (collapsible) ── */
.vl-panel{border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-card)}
.vl-panel-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;cursor:pointer;font-size:.82rem;font-weight:700;transition:background var(--transition-fast);user-select:none}
.vl-panel-header:hover{background:var(--bg-card-hover)}
.vl-panel-arrow{font-size:.85rem;transition:transform var(--transition-fast);color:var(--text-muted)}
.vl-panel.open .vl-panel-arrow{transform:rotate(-180deg)}
.vl-panel-body{padding:0 16px 16px;font-size:.78rem;color:var(--text-secondary);line-height:1.7}
.vl-formula-card{border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px;margin-bottom:8px;background:var(--bg-input)}
.vl-formula-card:last-child{margin-bottom:0}
.vl-formula-tpl{font-size:.85rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}
.vl-formula-example{font-size:.75rem;color:var(--accent);margin-bottom:4px}
.vl-formula-why{font-size:.7rem;color:var(--text-muted)}
.vl-formula-meta{display:flex;gap:8px;align-items:center;margin-bottom:4px;font-size:.68rem}
.vl-formula-tag{font-size:.65rem;padding:2px 7px;border-radius:6px;background:var(--bg-card);border:1px solid var(--border-color)}
.vl-style-bar{display:flex;gap:4px;height:6px;border-radius:3px;overflow:hidden;margin-bottom:8px}
.vl-style-bar-seg{border-radius:3px;transition:width var(--transition-slow)}
.vl-style-list{display:flex;flex-direction:column;gap:6px;font-size:.75rem}
.vl-style-item{display:flex;justify-content:space-between;align-items:center;padding:6px 10px;border-radius:var(--radius-sm);background:var(--bg-input)}
.vl-style-item-name{font-weight:600}
.vl-style-item-pct{font-size:.72rem;color:var(--accent);font-weight:700}
.vl-recommend-badge{display:inline-block;font-size:.65rem;padding:2px 8px;border-radius:6px;background:linear-gradient(135deg,#f97316,#ec4899);color:#fff;font-weight:700;margin-left:6px}

.tl-modes{display:flex;gap:6px;margin-bottom:14px}
.tl-mode{
  padding:7px 16px;border-radius:var(--radius-lg);background:var(--bg-input);
  border:1px solid var(--border-color);color:var(--text-secondary);font-size:.82rem;
  font-weight:600;cursor:pointer;transition:all var(--transition-fast)
}
.tl-mode:hover{border-color:var(--accent);color:var(--accent)}
.tl-mode.active{background:var(--accent);color:#fff;border-color:var(--accent)}

/* Category + style selectors (电商标题实验室) */
.tl-category-row,.tl-style-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.tl-cat-label,.tl-style-label{font-size:.72rem;color:var(--text-muted);font-weight:600;white-space:nowrap;min-width:36px}
.tl-cats,.tl-styles{display:flex;flex-wrap:wrap;gap:5px;flex:1}
.tl-cat,.tl-style{font-size:.72rem;padding:5px 10px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.tl-cat.active{background:rgba(168,85,247,.15);border-color:var(--purple);color:var(--purple);font-weight:700}
.tl-cat:hover:not(.active){border-color:var(--accent)}
.tl-style.active{background:rgba(236,72,153,.12);border-color:var(--pink);color:var(--pink);font-weight:700}
.tl-style:hover:not(.active){border-color:var(--accent)}

/* Input area */
.tl-input-area{margin-bottom:16px}
.tl-input{
  width:100%;padding:14px 16px;border-radius:var(--radius-lg);background:var(--bg-glass);
  border:2px solid var(--border-color);color:var(--text-primary);
  font-family:var(--font-sans);font-size:.92rem;line-height:1.6;
  resize:vertical;transition:border-color var(--transition-fast);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.tl-input:focus{outline:none;border-color:var(--accent);box-shadow:var(--shadow-glow)}
.tl-input::placeholder{color:var(--text-muted)}
.tl-actions{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
.tl-go-btn{
  padding:12px 28px;border-radius:var(--radius-lg);background:var(--gradient-accent);
  color:#fff!important;font-weight:700;font-size:.9rem;box-shadow:0 4px 18px var(--accent-glow);
  transition:all var(--transition-base);text-shadow:0 1px 2px rgba(0,0,0,.15)
}
.tl-go-btn:hover{transform:translateY(-2px);box-shadow:0 6px 24px var(--accent-glow)}
.tl-voice-btn{
  width:40px;height:40px;border:none;border-radius:50%;background:var(--bg-input);
  border:2px solid var(--border-color);color:var(--text-secondary);font-size:1.1rem;
  cursor:pointer;transition:all var(--transition-fast);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0
}
.tl-voice-btn:hover{border-color:var(--accent);color:var(--accent)}
.tl-voice-btn.recording{background:var(--error);border-color:var(--error);color:#fff;animation:voice-pulse 1.2s infinite}
@keyframes voice-pulse{0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,.4)}50%{box-shadow:0 0 0 12px rgba(239,68,68,0)}}
.tl-mode-hint{color:var(--text-muted);font-size:.75rem}

/* Loading */
.tl-loading{padding:14px 0}

/* Results */
.tl-output{margin-top:8px;min-height:100px}

/* ── AI Chat Results ── */
.chat-analysis{background:var(--bg-input);border-radius:var(--radius-md);padding:12px 16px;margin-bottom:12px;font-size:.82rem;color:var(--text-secondary);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.chat-analysis-tag{display:inline-block;padding:2px 8px;border-radius:12px;background:rgba(168,85,247,.12);color:var(--purple);font-weight:600;font-size:.72rem}
.chat-analysis-tip{color:var(--text-secondary);font-size:.78rem}
.chat-title-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px 16px;margin-bottom:10px;transition:all var(--transition-fast)}
.chat-title-card:hover{border-color:var(--accent);box-shadow:0 4px 16px var(--accent-glow)}
.chat-title-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.chat-title-platform{font-size:.7rem;font-weight:700;color:var(--accent);text-transform:uppercase}
.chat-title-score{font-size:.75rem;font-weight:700}
.chat-title-text{font-size:.88rem;line-height:1.6;color:var(--text-primary);margin-bottom:10px}
.chat-title-actions{display:flex;gap:8px}
.chat-title-copy{font-size:.7rem;padding:4px 10px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}
.chat-title-copy:hover{border-color:var(--accent);color:var(--accent)}
.chat-bottom-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.chat-action-btn{font-size:.75rem;padding:6px 14px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}
.chat-action-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(249,115,22,.06)}
.tl-output .output-placeholder{text-align:center;padding:40px 20px;color:var(--text-muted)}
.tl-output .compare-card{margin-top:0}
.tl-output .decon-card{margin-top:0}

/* ── Install Banner: proper rounded corners ── */
.install-banner{
  border-radius:var(--radius-lg);background:var(--bg-glass);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--border-color);
  color:var(--text-primary);text-align:center;font-size:.85rem;display:none;
  margin:0 20px;overflow:hidden
}
.install-banner .btn-primary{background:var(--gradient-accent);color:#fff;border:none}
.install-banner .btn-primary:hover{box-shadow:0 4px 15px var(--accent-glow)}
.install-banner .btn-ghost{color:var(--text-secondary)}
.install-banner .btn-ghost:hover{color:var(--text-primary)}

/* ── Footer data buttons ── */
.footer-links{
  display:flex;justify-content:center;gap:12px;margin-top:10px;flex-wrap:wrap
}
.footer-link-btn{
  padding:4px 10px;border-radius:var(--radius-sm);background:var(--bg-input);
  border:1px solid var(--border-color);color:var(--text-secondary);font-size:.72rem;
  cursor:pointer;transition:all var(--transition-fast)
}
.footer-link-btn:hover{color:var(--accent);border-color:var(--accent)}

/* ── AI Config Drawer ── */
.ai-config{max-height:0;overflow:hidden;transition:max-height .35s ease;text-align:center}
.ai-config.open{max-height:600px;overflow-y:auto}
.ai-config-inner{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 12px 8px}
.ai-key-input{padding:8px 12px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);font-family:var(--font-mono);font-size:.8rem}
.ai-key-input:focus{outline:none;border-color:var(--accent)}

/* Toast */
.toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:10px 18px;border-radius:var(--radius-md);background:var(--bg-secondary);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);font-size:.83rem;animation:toast-in .3s ease}
@keyframes toast-in{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.toast.success{border-left:3px solid var(--success)}

/* ── Ad Containers ── */
.ad-container{position:relative;min-height:90px;background:var(--bg-card);border:1px dashed var(--border-color);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;overflow:hidden}
.ad-slot{display:block}
.ad-label{position:absolute;top:4px;right:6px;font-size:.6rem;padding:1px 6px;border-radius:6px;background:rgba(0,0,0,.15);color:var(--text-muted);pointer-events:none;z-index:1}
.ad-sidebar{position:fixed;right:16px;top:50%;transform:translateY(-50%);width:160px;max-height:600px;background:var(--bg-card);border:1px dashed var(--border-color);border-radius:var(--radius-md);display:none;z-index:100}
@media(min-width:1400px){.ad-sidebar{display:block}}

/* Footer */
.footer{padding:28px 0 20px;border-top:1px solid var(--border-color);text-align:center;font-size:.78rem;color:var(--text-muted)}

/* ── Performance: Reduce motion for accessibility ── */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms!important;transition-duration:0.01ms!important}
}
/* ── Glass card hover glow ── */
.tool-card:hover,.identity-card:hover,.task-card:hover{box-shadow:0 0 24px var(--accent-glow),var(--shadow-md)}
.compare-panel:hover,.decon-block:hover{box-shadow:0 0 16px rgba(255,255,255,0.03)}

/* Responsive */
@media(max-width:768px){
  .nav-links{display:none}
  .hero{padding:80px 0 36px}
  .hero-title{font-size:1.65rem}
  .hero-subtitle{font-size:.95rem;margin-bottom:18px}
  .hero-input-row{flex-direction:column}
  .hero-cta-btn{width:100%}
  /* Hero paths → 2×2 grid */
  .hero-paths{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .hero-path{padding:12px 10px;min-width:0}
  .hero-path-icon{font-size:1.3rem}
  .hero-path-title{font-size:.78rem}
  .hero-path-desc{font-size:.65rem}
  /* Identity */
  .identity-grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .identity-card{padding:14px 8px}.identity-icon{font-size:1.4rem}.identity-name{font-size:.78rem}
  /* Task */
  .task-grid{grid-template-columns:1fr}
  /* Social proof */
  .social-quotes{flex-direction:column;align-items:center;gap:10px}
  .social-quote{max-width:100%}
  /* Tools */
  .tools-grid{grid-template-columns:1fr}
  .compare-panels{flex-direction:column}.compare-arrow{justify-content:center;transform:rotate(90deg)}
  .tool-panel{max-width:100%;border-radius:var(--radius-lg);margin:8px}
  /* Pro */
  .pro-card{padding:20px 16px;margin:0 8px}
  .pro-plans{gap:6px}
  .pro-plan{min-width:100px;padding:12px 8px}
  .pro-plan-price{font-size:1.3rem}
  .pro-roi-box{flex-direction:column;gap:4px}
  /* Title lab */
  .title-lab-section{padding:28px 0 36px}
  .tl-header{flex-direction:column;gap:12px}
  .tl-platforms{justify-content:flex-start}
  .tl-platform{padding:4px 10px;font-size:.7rem}
  .tl-input{padding:12px 14px;font-size:.85rem}
  .tl-go-btn{padding:10px 22px;font-size:.85rem}
  .tl-actions{gap:8px}

/* ── Usage counter bar ── */
.tl-usage-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:10px 14px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color);margin-bottom:4px;font-size:.78rem}
.tl-usage-text{font-weight:600;color:var(--text-secondary)}
.tl-usage-text.low{color:var(--warning)}
.tl-usage-text.none{color:var(--error)}
.tl-usage-actions{display:flex;gap:6px}
.tl-usage-btn{padding:4px 12px;border-radius:var(--radius-sm);font-size:.72rem;font-weight:600;cursor:pointer;border:none;transition:all var(--transition-fast)}
.tl-usage-btn.ad{background:var(--accent);color:#fff}
.tl-usage-btn.ad:hover{box-shadow:0 2px 12px var(--accent-glow)}
.tl-usage-btn.ad-secondary{background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border-color)}
.tl-usage-btn.ad-secondary:hover{color:var(--accent);border-color:var(--accent)}
.tl-usage-btn.pro{background:var(--bg-input);color:var(--accent);border:1px solid var(--accent)}
.tl-usage-btn.pro:hover{background:var(--accent);color:#fff}

/* ── Ad-unlock overlay (must complete — no skip) ── */
.ad-unlock-overlay{position:fixed;inset:0;z-index:3500;background:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.ad-unlock-box{width:100%;max-width:320px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:32px 24px 24px;text-align:center;box-shadow:var(--shadow-lg)}
.ad-unlock-icon{font-size:3rem;margin-bottom:8px}
.ad-unlock-title{font-weight:700;font-size:1.05rem;margin-bottom:6px}
.ad-unlock-desc{font-size:.75rem;color:var(--text-muted);margin-bottom:20px;line-height:1.5}
.ad-unlock-countdown-ring{position:relative;width:100px;height:100px;margin:0 auto 8px;color:var(--accent)}
.ad-unlock-countdown-ring svg{width:100px;height:100px}
.ad-unlock-timer{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:2.4rem;font-weight:800;color:var(--accent)}
.ad-unlock-hint{font-size:.7rem;color:var(--text-muted);margin-bottom:16px}
.ad-unlock-actions{display:flex;flex-direction:column;gap:8px}
.ad-unlock-upgrade{background:none;border:1px solid rgba(249,115,22,.3);color:var(--accent);font-size:.78rem;cursor:pointer;padding:8px 16px;border-radius:var(--radius-md);transition:all var(--transition-fast)}
.ad-unlock-upgrade:hover{background:rgba(249,115,22,.1);border-color:var(--accent)}
/* ── Old skip button — removed (no more free unlock) ── */

/* ── Theme Picker ── */
.theme-picker-overlay{position:fixed;inset:0;z-index:3200;background:var(--bg-modal);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.theme-picker-overlay.open{opacity:1;visibility:visible}
.theme-picker{width:100%;max-width:380px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);overflow:hidden}
.theme-picker-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border-color);font-weight:700;font-size:.9rem}
.theme-picker-close{width:28px;height:28px;border-radius:50%;background:var(--bg-input);border:none;color:var(--text-secondary);cursor:pointer}
.theme-picker-close:hover{color:var(--error)}
.theme-picker-body{padding:16px}
.theme-options{display:grid;grid-template-columns:repeat(auto-fill,minmax(95px,1fr));gap:10px}
@media(min-width:381px){.theme-options{grid-template-columns:repeat(3,1fr)}}
.theme-option{text-align:center;cursor:pointer;padding:8px;border-radius:var(--radius-md);border:2px solid transparent;transition:all var(--transition-fast)}
.theme-option:hover{background:var(--bg-card-hover)}
.theme-option.active{border-color:var(--accent);background:rgba(249,115,22,.06)}
.theme-swatch{width:100%;height:48px;border-radius:var(--radius-sm);margin-bottom:6px}
.theme-option span{font-size:.7rem;color:var(--text-secondary);font-weight:600}

/* ── Nav theme button ── */
.nav-theme-btn{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.85rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast)}
.nav-theme-btn:hover{color:var(--accent);border-color:var(--accent)}

/* ── BG pro lock ── */
.bg-pro-lock{font-size:.65rem;padding:1px 6px;border-radius:6px;background:rgba(249,115,22,.12);color:var(--accent);margin-left:6px}
.bg-pro-lock.unlocked{background:rgba(16,185,129,.12);color:var(--success)}

/* ── Custom themes ── */
[data-theme="peach"]{
  --bg-primary:#fff5ed;--bg-secondary:#fffcf8;--bg-card:rgba(255,255,255,.65);--bg-card-hover:rgba(249,150,100,.1);
  --bg-glass:rgba(255,245,237,.8);--bg-input:rgba(255,255,255,.7);
  --border-color:rgba(249,150,100,.1);--border-hover:rgba(249,150,100,.3);
  --text-primary:#2d1a10;--text-secondary:#6b4d38;--text-muted:#9e8070;
  --accent:#f97316;--accent-light:#fb923c;--accent-glow:rgba(249,115,34,.15);
  --gradient-hero:linear-gradient(170deg,#ffead2 0%,#fbd5b5 40%,#fff5ed 100%);
  --gradient-pro:linear-gradient(160deg,#fff0e5,#fff8f2);
}
[data-theme="mint"]{
  --bg-primary:#f0faf0;--bg-secondary:#f8fdf8;--bg-card:rgba(255,255,255,.65);--bg-card-hover:rgba(76,175,80,.08);
  --bg-glass:rgba(240,250,240,.8);--bg-input:rgba(255,255,255,.7);
  --border-color:rgba(76,175,80,.08);--border-hover:rgba(76,175,80,.3);
  --text-primary:#1a2e1a;--text-secondary:#3d5a3d;--text-muted:#6e8a6e;
  --accent:#4caf50;--accent-light:#66bb6a;--accent-glow:rgba(76,175,80,.15);
  --gradient-hero:linear-gradient(170deg,#e8f5e9 0%,#c8e6c9 40%,#f0faf0 100%);
  --gradient-pro:linear-gradient(160deg,#e8f5e9,#f0faf0);
}
[data-theme="lavender"]{
  --bg-primary:#faf8ff;--bg-secondary:#fefcff;--bg-card:rgba(255,255,255,.65);--bg-card-hover:rgba(168,85,247,.08);
  --bg-glass:rgba(250,248,255,.8);--bg-input:rgba(255,255,255,.7);
  --border-color:rgba(168,85,247,.08);--border-hover:rgba(168,85,247,.3);
  --text-primary:#1a122e;--text-secondary:#4a3570;--text-muted:#7a609e;
  --accent:#a855f7;--accent-light:#c084fc;--accent-glow:rgba(168,85,247,.15);
  --gradient-hero:linear-gradient(170deg,#f3e8ff 0%,#e9d5ff 40%,#faf8ff 100%);
  --gradient-pro:linear-gradient(160deg,#f0e8ff,#f8f4ff);
}
[data-theme="cyberpunk"]{
  --bg-primary:#0a0015;--bg-secondary:#100020;--bg-card:rgba(120,50,255,.08);--bg-card-hover:rgba(120,50,255,.18);
  --bg-glass:rgba(10,0,21,.88);--bg-input:rgba(120,50,255,.1);
  --border-color:rgba(120,50,255,.15);--border-hover:rgba(0,230,255,.4);
  --text-primary:#e0d0ff;--text-secondary:#9e80cc;--text-muted:#5e40aa;
  --accent:#00e6ff;--accent-light:#5ef0ff;--accent-glow:rgba(0,230,255,.25);
  --gradient-hero:linear-gradient(170deg,#0a0015 0%,#150030 40%,#0a0015 100%);
  --gradient-pro:linear-gradient(160deg,#0c001a,#120028);
}

/* ── Emoji Daily Theme (Light Mode) ── */
[data-theme="emoji-daily"]{
  --bg-primary:#ffffff;--bg-secondary:#f8f9fa;--bg-card:rgba(255,255,255,.85);--bg-card-hover:rgba(249,115,22,.06);
  --bg-glass:rgba(255,255,255,.82);--bg-input:rgba(248,249,250,.8);
  --border-color:rgba(0,0,0,.06);--border-hover:rgba(249,115,22,.3);
  --text-primary:#1a1a2e;--text-secondary:#495057;--text-muted:#868e96;
  --accent:#f97316;--accent-light:#fb923c;--accent-glow:rgba(249,115,22,.12);
  --purple:#a855f7;--blue:#6366f1;--pink:#ec4899;
  --gradient-hero:linear-gradient(170deg,#fafbff 0%,#f5f7fa 50%,#fef5f0 100%);
  --gradient-accent:linear-gradient(135deg,#f97316,#ec4899);
  --gradient-pro:linear-gradient(160deg,#f8f9fa,#fef5f0);
}
[data-theme="emoji-daily"] body{background:var(--bg-primary)}

/* ── Emoji swatch in theme picker ── */
.emoji-swatch{
  background:linear-gradient(135deg,#1a1040,#2d1a5e)!important;
  display:flex;align-items:center;justify-content:center;overflow:hidden
}
.emoji-swatch-chars{font-size:1.1rem;letter-spacing:-2px;filter:grayscale(0);animation:emoji-swatch-float 3s ease-in-out infinite}
@keyframes emoji-swatch-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}
.emoji-daily-badge{
  display:inline-block;font-size:.55rem;padding:1px 5px;border-radius:6px;
  background:linear-gradient(135deg,#b794f4,#f472b6);color:#fff;font-weight:700;
  vertical-align:middle;margin-left:3px;animation:emoji-badge-pulse 2s ease-in-out infinite
}
@keyframes emoji-badge-pulse{0%,100%{opacity:1}50%{opacity:.7}}
.emoji-daily-option{border-color:rgba(183,148,244,.2)!important}
.emoji-daily-option.active{border-color:var(--accent)!important;background:rgba(183,148,244,.08)!important}

/* Emoji toggle switch in theme picker */
.emoji-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;margin-top:6px;border-radius:var(--radius-md);background:var(--bg-input);font-size:.78rem}
.emoji-toggle-label{color:var(--text-secondary);font-weight:600}
.emoji-switch{position:relative;display:inline-block;width:40px;height:22px}
.emoji-switch input{opacity:0;width:0;height:0}
.emoji-slider{position:absolute;cursor:pointer;inset:0;background:var(--border-color);border-radius:22px;transition:all var(--transition-fast)}
.emoji-slider::before{content:'';position:absolute;height:16px;width:16px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:all var(--transition-fast);box-shadow:0 1px 3px rgba(0,0,0,.15)}
.emoji-switch input:checked+.emoji-slider{background:linear-gradient(135deg,#b794f4,#ec4899)}
.emoji-switch input:checked+.emoji-slider::before{transform:translateX(18px)}

/* ── Usage hint ── */
.tl-usage-hint{font-size:.67rem;color:var(--text-muted);flex:1;text-align:center}

/* ── Pro badge (title lab) ── */
.tl-pro-badge{display:inline-block;font-size:.65rem;padding:2px 8px;border-radius:10px;background:linear-gradient(135deg,#f97316,#ec4899);color:#fff;vertical-align:middle;margin-left:6px;animation:pro-badge-glow 2s ease-in-out infinite}
@keyframes pro-badge-glow{0%,100%{box-shadow:0 0 8px rgba(249,115,22,.4)}50%{box-shadow:0 0 18px rgba(249,115,22,.7)}}

/* ── Pro welcome animation ── */
.pro-welcome{position:fixed;inset:0;z-index:4000;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;animation:pro-welcome-fade 2.5s ease forwards}
.pro-welcome-inner{text-align:center;color:#fff;padding:40px}
.pro-welcome-sparkle{font-size:4rem;animation:pro-welcome-pop .6s cubic-bezier(.175,.885,.32,1.275)}
.pro-welcome-title{font-size:1.5rem;font-weight:800;margin:16px 0 8px;opacity:0;animation:pro-welcome-slide .5s .3s ease forwards}
.pro-welcome-sub{font-size:.9rem;color:rgba(255,255,255,.7);opacity:0;animation:pro-welcome-slide .5s .6s ease forwards}
@keyframes pro-welcome-fade{0%,70%{opacity:1}100%{opacity:0;visibility:hidden}}
@keyframes pro-welcome-pop{0%{transform:scale(0);opacity:0}100%{transform:scale(1);opacity:1}}
@keyframes pro-welcome-slide{0%{transform:translateY(20px);opacity:0}100%{transform:translateY(0);opacity:1}}

/* ── Nav Pro badge glow for real Pro members ── */
.nav-pro-badge.pro-active{animation:pro-badge-glow 2s ease-in-out infinite}

/* ── Nav bg button ── */
.nav-bg-btn{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.85rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast)}
.nav-bg-btn:hover{color:var(--accent);border-color:var(--accent)}

/* ── Background Picker ── */
.bg-picker-overlay{position:fixed;inset:0;z-index:3200;background:var(--bg-modal);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.bg-picker-overlay.open{opacity:1;visibility:visible}
.bg-picker{width:100%;max-width:400px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);overflow:hidden}
.bg-picker-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border-color);font-weight:700;font-size:.9rem}
.bg-picker-close{width:28px;height:28px;border-radius:50%;background:var(--bg-input);border:none;color:var(--text-secondary);cursor:pointer;font-size:.8rem}
.bg-picker-close:hover{color:var(--error)}
.bg-picker-body{padding:16px}
.bg-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.bg-preset{border-radius:var(--radius-md);cursor:pointer;position:relative;overflow:hidden;border:2px solid transparent;transition:all var(--transition-fast);text-align:center}
.bg-preset:hover{transform:scale(1.03)}
.bg-preset.active{border-color:var(--accent);box-shadow:0 0 12px var(--accent-glow)}
.bg-preset-preview{width:100%;height:56px;border-radius:var(--radius-sm)}
.bg-preset span{display:block;font-size:.65rem;color:var(--text-secondary);padding:4px 0}
.bg-upload{text-align:center;margin-bottom:12px}
.bg-upload-label{cursor:pointer;font-size:.78rem;color:var(--accent);font-weight:600;padding:8px 16px;border-radius:var(--radius-sm);border:1px dashed var(--accent);display:inline-block}
.bg-upload-label:hover{background:rgba(249,115,22,.06)}
.bg-color-picker-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:12px;padding:10px 14px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color)}
.bg-color-label{font-size:.78rem;color:var(--text-primary);font-weight:600}
#bg-color-picker{-webkit-appearance:none;appearance:none;width:44px;height:36px;border-radius:var(--radius-md);border:2px solid var(--border-color);cursor:pointer;background:var(--bg-input);padding:3px}
#bg-color-picker::-webkit-color-swatch-wrapper{padding:0}
#bg-color-picker::-webkit-color-swatch{border-radius:var(--radius-sm);border:none}
#bg-color-picker:hover{border-color:var(--accent)}

/* ── Emoji background ── */
.bg-emoji-row{display:flex;align-items:center;gap:8px;margin-bottom:12px;padding:10px 14px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color);flex-wrap:wrap;justify-content:center}
.bg-emoji-input{flex:1;min-width:120px;padding:6px 10px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);font-size:.82rem;outline:none}
.bg-emoji-input:focus{border-color:var(--accent)}
.bg-emoji-input::placeholder{color:var(--text-muted);font-size:.72rem}
.bg-emoji-apply-btn{padding:6px 14px;border-radius:var(--radius-sm);background:var(--gradient-accent);color:#fff!important;font-weight:700;font-size:.75rem;border:none;cursor:pointer;text-shadow:0 1px 2px rgba(0,0,0,.15)}
.bg-emoji-apply-btn:hover{box-shadow:0 2px 10px var(--accent-glow);color:#fff!important}

/* Emoji background body override */
body[data-custom-bg="emoji"]{background-size:auto}

/* ── Feedback Float Button ── */
.feedback-float{position:fixed;right:16px;bottom:140px;z-index:900;display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:var(--radius-lg);background:var(--gradient-accent);color:#fff;border:none;cursor:pointer;font-size:.85rem;font-weight:700;box-shadow:0 4px 20px var(--accent-glow);transition:all var(--transition-base)}
.feedback-float:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow)}
.feedback-float-label{display:none}
@media(min-width:500px){.feedback-float-label{display:inline}}

/* ── Feedback Modal ── */
.feedback-overlay{position:fixed;inset:0;z-index:3300;background:var(--bg-modal);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.feedback-overlay.open{opacity:1;visibility:visible}
.feedback-modal{width:100%;max-width:420px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);overflow:hidden}
.feedback-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border-color);font-weight:700;font-size:.9rem}
.feedback-close{width:28px;height:28px;border-radius:50%;background:var(--bg-input);border:none;color:var(--text-secondary);cursor:pointer;font-size:.8rem}
.feedback-close:hover{color:var(--error)}
.feedback-body{padding:16px}
.feedback-input{width:100%;padding:12px 14px;border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);font-family:var(--font-sans);font-size:.85rem;line-height:1.6;resize:vertical;outline:none;transition:border-color var(--transition-fast)}
.feedback-input:focus{border-color:var(--accent)}
.feedback-actions{display:flex;gap:8px;margin-top:10px}
.feedback-record-btn{padding:8px 16px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.78rem;cursor:pointer;transition:all var(--transition-fast)}
.feedback-record-btn:hover{color:var(--accent);border-color:var(--accent)}
.feedback-record-btn.recording{background:var(--error);color:#fff;border-color:var(--error);animation:pulse 1s infinite}
.feedback-send-btn{flex:1;padding:8px 16px;border-radius:var(--radius-sm);background:var(--gradient-accent);color:#fff;font-weight:700;font-size:.82rem;border:none;cursor:pointer;transition:all var(--transition-fast)}
.feedback-send-btn:hover{box-shadow:0 4px 15px var(--accent-glow)}
.feedback-recording{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:.8rem;color:var(--error)}
.feedback-recording-dot{width:8px;height:8px;border-radius:50%;background:var(--error);animation:pulse 1s infinite}
.feedback-stop-btn{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:4px 10px;border-radius:var(--radius-sm);font-size:.72rem;cursor:pointer}
.feedback-note{text-align:center;font-size:.68rem;color:var(--text-muted);margin-top:10px}
.bg-reset-btn{width:100%;padding:8px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.78rem;cursor:pointer}
.bg-reset-btn:hover{color:var(--accent)}

/* ── Custom background body override ── */
body[data-custom-bg="gradient-sunset"]{background-image:linear-gradient(135deg,#ff6b6b,#feca57,#ff9ff3);background-size:cover;background-attachment:fixed}
body[data-custom-bg="gradient-ocean"]{background-image:linear-gradient(135deg,#0c3483,#a2b6df,#6dd5ed);background-size:cover;background-attachment:fixed}
body[data-custom-bg="gradient-aurora"]{background-image:linear-gradient(135deg,#00223e,#4b0082,#ff6b9d,#c44569);background-size:cover;background-attachment:fixed}
body[data-custom-bg="gradient-mojito"]{background-image:linear-gradient(135deg,#1d976c,#93f9b9);background-size:cover;background-attachment:fixed}
body[data-custom-bg="gradient-velvet"]{background-image:linear-gradient(135deg,#0f0c29,#302b63,#24243e);background-size:cover;background-attachment:fixed}
body[data-custom-bg="custom-color"]{background-image:none}
body[data-custom-bg="image"]{background-size:cover;background-position:center;background-attachment:fixed}
  /* Wizard */
  .wizard-box{padding:16px 12px}
  .wizard-input-row{flex-direction:column}
  .wizard-go-btn{width:100%}
  /* Footer */
  .footer-links{flex-direction:column;align-items:center}
}
@media(max-width:480px){
  .container{padding:0 12px}
  .hero{padding:70px 0 28px}
  .hero-title{font-size:1.45rem}
  .hero-subtitle{font-size:.85rem}
  .hero-badge{font-size:.7rem}
  .hero-input{font-size:.88rem;padding:12px 14px}
  .hero-counter{font-size:.7rem}
  .hero-paths{gap:6px}
  .hero-path{padding:10px 8px}
  .hero-path-icon{font-size:1.1rem;margin-bottom:2px}
  .hero-path-title{font-size:.7rem}
  .hero-path-desc{font-size:.6rem}
  .identity-grid{grid-template-columns:repeat(2,1fr)}
  .identity-card{padding:12px 6px}
  .identity-icon{font-size:1.2rem}
  .identity-name{font-size:.72rem}
  .identity-title{font-size:1.15rem}
  .pro-plans{flex-direction:column;align-items:center}
  .pro-plan{max-width:100%;width:100%}
  .tl-modes{gap:4px}
  .tl-mode{padding:5px 10px;font-size:.75rem}
  .tl-cat,.tl-style{font-size:.65rem;padding:4px 8px}
  .tl-cat-label,.tl-style-label{font-size:.65rem}
  .tl-input{font-size:.8rem}
  .tl-go-btn{padding:10px 20px;font-size:.8rem}
  .compare-metrics{flex-wrap:wrap}
  .compare-metric{padding:10px 6px}
  .compare-metric-val{font-size:1.1rem}
  .wizard-chips{gap:4px}
  .wiz-chip{padding:4px 10px;font-size:.7rem}
}

/* ════════════════════════════════════════════
   🌏 Chinese Browser Compatibility
   ════════════════════════════════════════════ */

/* ── backdrop-filter fallback for browsers that don't support it ──
   Affected: Baidu Browser, QQ Browser (old), Huawei Browser (old WebView),
   OPPO/vivo Browser (old), UC Browser (old), Android System WebView < 90 */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  /* Nav bar: use opaque dark bg instead of glass */
  .nav {
    background: var(--bg-primary);
  }
  [data-theme="dark"] .nav {
    background: #0a0a16;
  }
  [data-theme="light"] .nav {
    background: #fef9f4;
  }

  /* Glass utility */
  .glass, .glass-strong {
    background: var(--bg-secondary);
  }

  /* Hero path cards */
  .hero-path {
    background: var(--bg-card);
  }

  /* Mobile dock */
  .mobile-dock {
    background: var(--bg-primary);
  }
  [data-theme="dark"] .mobile-dock {
    background: #0a0a16;
  }
  [data-theme="light"] .mobile-dock {
    background: #fef9f4;
  }

  /* Hero input */
  .hero-input {
    background: var(--bg-input);
  }
}

/* ── 刘海屏 / 水滴屏 Safe Area ── */
@supports(padding-bottom: env(safe-area-inset-bottom)) {
  body {
    padding-bottom: calc(70px + env(safe-area-inset-bottom));
  }
  .mobile-dock {
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
  }
  .toast-container {
    bottom: calc(20px + env(safe-area-inset-bottom));
  }
  .tool-panel-overlay {
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  }
}

/* ════════════════════════════════════════════
   📐 横竖屏 + iPad / 平板适配
   ════════════════════════════════════════════ */

/* ── iPad / 平板横屏 (768px - 1024px) ── */
@media(min-width:769px) and (max-width:1024px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-paths {
    flex-wrap: wrap;
  }
  .hero-path {
    min-width: 100px;
  }
  .compare-panels {
    gap: 10px;
  }
  .compare-panel {
    padding: 14px;
  }
  .compare-panel-title {
    font-size: .95rem;
  }
}

/* ── 手机横屏 (高度小) ── */
@media(max-height:500px) and (orientation:landscape) {
  .hero {
    padding: 60px 0 20px;
  }
  .hero-title {
    font-size: 1.4rem;
  }
  .hero-subtitle {
    font-size: .85rem;
    margin-bottom: 12px;
  }
  .hero-paths {
    margin-top: 12px;
    gap: 6px;
  }
  .hero-path {
    padding: 8px 10px;
    min-width: 80px;
  }
  .hero-path-icon {
    font-size: 1.2rem;
    margin-bottom: 1px;
  }
  .hero-path-title {
    font-size: .7rem;
  }
  .hero-path-desc {
    display: none;
  }

  /* Tool panel in landscape: reduce padding */
  .tool-panel {
    max-height: 95vh;
  }
  .tool-panel-body {
    padding: 8px 12px;
  }
  .tool-panel-body textarea {
    min-height: 50px;
  }

  /* Identity cards: smaller */
  .identity-card {
    padding: 10px 6px;
  }
  .identity-icon {
    font-size: 1.2rem;
  }
  .identity-name {
    font-size: .72rem;
  }

  /* Nav smaller */
  .nav-inner {
    height: 44px;
  }
  .nav-brand {
    font-size: .9rem;
  }

  /* Wizard: reduce padding */
  .wizard-box {
    padding: 14px 16px;
  }
  .wizard-steps {
    gap: 8px;
  }
}

/* ── 平板竖屏 → 两栏工具卡片 ── */
@media(min-width:481px) and (max-width:768px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .identity-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── 超大屏 (桌面 2K/4K) ── */
@media(min-width:1400px) {
  .container {
    max-width: 1200px;
  }
  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1100px;
  }
}

/* ── 打印 ── */
@media print {
  .nav, .mobile-dock, .tool-panel-overlay, .toast-container,
  .ad-placeholder, .hero-paths, .install-banner, .wizard-section,
  .social-bar, .pro-section, .footer {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
    padding: 0;
  }
  .hero {
    padding: 20px 0;
    background: none;
  }
  .hero-title {
    font-size: 1.5rem;
    color: #000;
  }
  .hero-title-accent {
    -webkit-text-fill-color: #f97316;
    color: #f97316;
  }
}

/* ── iOS smooth scrolling fix ── */
@supports(-webkit-overflow-scrolling:touch) {
  .tool-panel-body {
    -webkit-overflow-scrolling: touch;
  }
}