/* ========== Design Tokens ========== */
:root {
  --bg-primary: #0a0a12;
  --bg-secondary: #12121f;
  --bg-card: #1a1a2e;
  --bg-elevated: #22223a;
  --bg-hover: #2a2a45;
  --text-primary: #eaeaf0;
  --text-secondary: #9a9ab5;
  --text-muted: #6a6a85;
  --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --accent-start: #667eea;
  --accent-end: #764ba2;
  --accent-glow: rgba(102, 126, 234, 0.25);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px var(--accent-glow);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-smooth: 0.4s cubic-bezier(0.4,0,0.2,1);
}

/* ========== Reset ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{font-size:16px;-webkit-font-smoothing:antialiased;}
body{
  font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg-primary);color:var(--text-primary);
  height:100vh;max-height:100vh;overflow:hidden;
}
body::before{
  content:'';position:fixed;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(ellipse at 20% 50%,rgba(102,126,234,0.08) 0%,transparent 50%),
  radial-gradient(ellipse at 80% 20%,rgba(118,75,162,0.06) 0%,transparent 50%);
  pointer-events:none;z-index:0;
}

/* ========== Layout ========== */
.app-container{
  position:relative;z-index:1;max-width:1500px;margin:0 auto;padding:12px 24px;
  height:100vh;max-height:100vh;overflow:hidden;display:flex;flex-direction:column;
}
.app-header{text-align:center;margin-bottom:8px;animation:fadeInDown 0.6s ease;flex-shrink:0;}
.logo{display:inline-flex;align-items:center;gap:12px;margin-bottom:2px;}
.logo-icon{font-size:22px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.logo h1{font-size:24px;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:2px;}
.subtitle{color:var(--text-muted);font-size:12px;letter-spacing:4px;}

.main-content{
  display:grid;
  grid-template-columns:320px 1fr 260px;
  gap:28px;
  align-items:stretch;
  animation:fadeInUp 0.6s ease 0.15s both;
  flex:1;
  min-height:0;
  overflow:hidden;
  margin-bottom: 12px;
}

/* ========== Left Panel ========== */
.control-panel{
  display:flex;flex-direction:column;gap:14px;
  height:100%;max-height:100%;overflow-y:auto;
  scrollbar-width:thin;scrollbar-color:var(--bg-hover) transparent;
  padding-right:4px;
}
.control-panel::-webkit-scrollbar{width:4px;}
.control-panel::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:2px;}
.control-section{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:14px;transition:border-color var(--transition-normal);flex-shrink:0;}
.tab-content-panel{flex-shrink:0;}
.control-section:hover{border-color:var(--border-light);}
.section-title{font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.section-icon{font-size:14px;}

#text-input{width:100%;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:12px 14px;color:var(--text-primary);font-family:'Noto Sans SC',sans-serif;font-size:14px;line-height:1.8;resize:vertical;outline:none;transition:all var(--transition-normal);}
#text-input::placeholder{color:var(--text-muted);}
#text-input:focus{border-color:var(--accent-start);box-shadow:0 0 0 3px var(--accent-glow);}
.input-hint{margin-top:8px;font-size:11px;color:var(--text-muted);}
.input-hint code{background:var(--bg-card);padding:1px 6px;border-radius:4px;color:var(--accent-start);font-size:12px;}

.template-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
.template-thumb{aspect-ratio:9/16;border-radius:6px;cursor:pointer;border:2px solid transparent;transition:all var(--transition-normal);position:relative;overflow:hidden;}
.template-thumb:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.template-thumb.active{border-color:var(--accent-start);box-shadow:var(--shadow-glow);}
.template-thumb .template-name{position:absolute;bottom:0;left:0;right:0;padding:3px 2px;font-size:8px;text-align:center;color:rgba(255,255,255,0.9);background:rgba(0,0,0,0.45);backdrop-filter:blur(4px);}

.font-options{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;}
.font-btn{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:8px 4px;cursor:pointer;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;}
.font-btn:hover{background:var(--bg-hover);border-color:var(--border-light);}
.font-btn.active{border-color:var(--accent-start);background:rgba(102,126,234,0.1);}
.font-preview{font-size:16px;color:var(--text-primary);}

.slider-group{display:flex;align-items:center;gap:12px;}
.slider{flex:1;-webkit-appearance:none;appearance:none;height:6px;background:var(--bg-card);border-radius:3px;outline:none;}
.slider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent-gradient);cursor:pointer;box-shadow:0 2px 8px rgba(102,126,234,0.4);}
.slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent-gradient);cursor:pointer;border:none;}
.slider-value{font-size:12px;color:var(--text-secondary);min-width:36px;text-align:right;font-variant-numeric:tabular-nums;}

.align-options{display:flex;gap:6px;}
.align-btn{flex:1;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:8px;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:all var(--transition-normal);}
.align-btn:hover{background:var(--bg-hover);color:var(--text-primary);}
.align-btn.active{border-color:var(--accent-start);background:rgba(102,126,234,0.1);color:var(--accent-start);}

.color-options{display:flex;gap:6px;flex-wrap:wrap;}
.color-btn{width:28px;height:28px;border-radius:50%;border:2px solid var(--border-subtle);cursor:pointer;transition:all var(--transition-normal);}
.color-btn:hover{transform:scale(1.15);}
.color-btn.active{border-color:var(--accent-start);box-shadow:0 0 0 3px var(--accent-glow);}

/* ========== Center Panel ========== */
.preview-panel{
  display:flex;align-items:center;justify-content:center;
  height:100%;max-height:100%;overflow:hidden;
}
.preview-wrapper{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  height:100%;max-height:100%;justify-content:center;
}
.card-counter{font-size:12px;color:var(--text-muted);letter-spacing:1px;}
.phone-frame{width:320px;aspect-ratio:9/16;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg),0 0 0 1px rgba(255,255,255,0.08);}

.preview-nav{display:flex;align-items:center;gap:12px;width:320px;}
.nav-btn{width:40px;height:40px;border-radius:50%;background:var(--bg-secondary);border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:22px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-normal);}
.nav-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-light);}
.nav-btn:disabled{opacity:0.3;cursor:not-allowed;}

.generate-btn{
  flex:1;display:flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 20px;background:var(--accent-gradient);border:none;border-radius:var(--radius-md);
  color:#fff;font-size:15px;font-weight:600;font-family:'Noto Sans SC',sans-serif;
  cursor:pointer;transition:all var(--transition-normal);
  box-shadow:var(--shadow-md),0 0 20px var(--accent-glow);letter-spacing:1px;
}
.generate-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 40px var(--accent-glow);}
.generate-btn:active{transform:translateY(0);}
.generate-btn.generating{opacity:0.7;pointer-events:none;}

/* ========== Right Panel ========== */
.saved-panel{
  background:var(--bg-secondary);border:1px solid var(--border-subtle);
  border-radius:var(--radius-lg);padding:16px;
  height:100%;max-height:100%;display:flex;flex-direction:column;
  overflow:hidden;
}
.saved-title{font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:12px;display:flex;align-items:center;gap:8px;flex-shrink:0;}
.clear-all-btn{margin-left:auto;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;transition:all var(--transition-fast);display:flex;align-items:center;}
.clear-all-btn:hover{color:#e74c3c;background:rgba(231,76,60,0.1);}

.saved-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;overflow-y:auto;flex:1;scrollbar-width:thin;scrollbar-color:var(--bg-hover) transparent;padding-right:2px;}
.saved-grid::-webkit-scrollbar{width:4px;}
.saved-grid::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:2px;}
.saved-empty{grid-column:1/-1;text-align:center;padding:40px 10px;color:var(--text-muted);}
.saved-empty p{font-size:13px;margin-bottom:4px;}
.saved-empty-hint{font-size:11px;opacity:0.6;}

.saved-card-item{position:relative;aspect-ratio:9/16;border-radius:8px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:all var(--transition-normal);box-shadow:var(--shadow-sm);}
.saved-card-item:hover{border-color:var(--border-light);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.saved-card-item.active-preview{border-color:var(--accent-start);box-shadow:var(--shadow-glow);}
.saved-card-item img{width:100%;height:100%;object-fit:cover;display:block;}
.saved-card-actions{position:absolute;bottom:0;left:0;right:0;display:flex;gap:2px;opacity:0;transition:opacity var(--transition-normal);}
.saved-card-item:hover .saved-card-actions{opacity:1;}
.saved-card-action{flex:1;padding:6px;background:rgba(0,0,0,0.7);backdrop-filter:blur(4px);border:none;color:#fff;font-size:10px;cursor:pointer;transition:background var(--transition-fast);display:flex;align-items:center;justify-content:center;gap:3px;}
.saved-card-action:hover{background:rgba(102,126,234,0.8);}
.saved-card-action.delete-action:hover{background:rgba(231,76,60,0.8);}

.batch-download-btn{
  margin-top:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:12px;
  background:linear-gradient(135deg,#2ecc71 0%,#27ae60 100%);
  border:none;border-radius:var(--radius-md);
  color:#fff;font-size:14px;font-weight:600;font-family:'Noto Sans SC',sans-serif;
  cursor:pointer;transition:all var(--transition-normal);
  box-shadow:0 4px 15px rgba(46,204,113,0.3);letter-spacing:1px;
}
.batch-download-btn:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(46,204,113,0.4);}
.batch-download-btn:disabled{opacity:0.4;cursor:not-allowed;transform:none;box-shadow:none;}
.batch-download-btn.downloading{opacity:0.7;pointer-events:none;}
.badge{background:rgba(255,255,255,0.25);padding:1px 8px;border-radius:10px;font-size:11px;font-weight:700;min-width:20px;text-align:center;}

/* ========== Card Canvas ========== */
.card-canvas{width:100%;height:100%;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;}
.card-canvas.export-size{width:1080px;height:1920px;}
.card-bg{position:absolute;inset:0;z-index:0;}
.card-overlay{position:absolute;inset:0;z-index:1;}
.card-decoration{position:absolute;inset:0;z-index:2;pointer-events:none;}
.card-content{position:relative;z-index:3;padding:40px 28px;width:100%;display:flex;align-items:center;justify-content:center;min-height:60%;}
.export-size .card-content{padding:120px 90px;}
.card-text{color:#fff;font-size:28px;line-height:1.9;text-align:center;word-break:break-word;white-space:pre-wrap;text-shadow:0 2px 12px rgba(0,0,0,0.15);transition:all var(--transition-normal);}
.export-size .card-text{font-size:84px;line-height:1.9;text-shadow:0 6px 36px rgba(0,0,0,0.15);}
.card-watermark{position:absolute;bottom:20px;left:0;right:0;text-align:center;font-size:10px;color:rgba(255,255,255,0.35);z-index:5;letter-spacing:3px;}
.export-size .card-watermark{bottom:60px;font-size:34px;letter-spacing:6px;}

/* ========== /* ========== Template Styles ========== */
.tpl-slate .card-bg{
  background-color: #0b0c10;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E"), linear-gradient(180deg, transparent 40%, #030405 100%), radial-gradient(ellipse at 30% 20%, #1c1e26 0%, #0b0c10 70%);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.tpl-slate .card-bg::after{
  content:"天地玄黄宇宙洪荒日月盈昃辰宿列张寒来暑往秋收冬藏闰余成岁律吕调阳云腾致雨露结为霜金生丽水玉出昆冈剑号巨阙珠称夜光果珍李柰菜重芥姜海咸河淡鳞潜羽翔";
  position:absolute;
  inset:-50px;
  font-family:'Ma Shan Zheng', cursive, 'Noto Serif SC', serif;
  font-size:100px;
  line-height:1.2;
  color: rgba(255,255,255,0.018);
  writing-mode: vertical-rl;
  padding: 20px;
  letter-spacing: 5px;
  pointer-events: none;
  filter: blur(0.5px);
}
.export-size.tpl-slate .card-bg::after{
  font-size:300px;
  letter-spacing:20px;
  padding:60px;
  filter: blur(1.5px);
}
.tpl-slate .card-overlay{background:transparent;border:none;box-shadow:none;}
.tpl-slate .card-text{
  color: #a4acb8;
  text-shadow: 0 3px 8px rgba(0,0,0,0.9), 0 0 3px rgba(0,0,0,0.6);
  letter-spacing: 4px;
}
.tpl-slate .card-watermark{color:rgba(164,172,184,0.15);}

.tpl-stone .card-bg, .tpl-white-stone .card-bg{
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.tpl-stone .card-bg{
  background-color:#110e0c;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E"), radial-gradient(circle at 50% 50%, #1d1815 0%, #070605 100%);
}
.tpl-white-stone .card-bg{
  background-color:#f5efe6;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E"), radial-gradient(circle at 50% 50%, #fdfbf7 0%, #e3dcd0 100%);
}

.tpl-stone .card-bg::after, .tpl-white-stone .card-bg::after{
  content:"天地玄黄宇宙洪荒日月盈昃辰宿列张寒来暑往秋收冬藏闰余成岁律吕调阳云腾致雨露结为霜金生丽水玉出昆冈剑号巨阙珠称夜光果珍李柰菜重芥姜海咸河淡鳞潜羽翔";
  position:absolute;
  inset:-50px;
  font-family:'Ma Shan Zheng', cursive, 'Noto Serif SC', serif;
  font-size:100px;
  line-height:1.2;
  writing-mode:vertical-rl;
  padding:20px;
  letter-spacing:5px;
  pointer-events:none;
}
.export-size.tpl-stone .card-bg::after, .export-size.tpl-white-stone .card-bg::after{
  font-size:300px;
  letter-spacing:20px;
  padding:60px;
}

.tpl-stone .card-bg::after{color:rgba(255,255,255,0.05);}
.tpl-white-stone .card-bg::after{color:rgba(0,0,0,0.05);}

.tpl-stone .card-overlay, .tpl-white-stone .card-overlay{background:transparent;border:none;box-shadow:none;}

.tpl-stone .card-text{
  color:#d4c4b7;
  text-shadow:0 1px 3px rgba(0,0,0,0.8), 0 0 10px rgba(0,0,0,0.5);
  letter-spacing:4px;
}
.tpl-white-stone .card-text{
  color:#1a1816;
  text-shadow:0 1px 1px rgba(255,255,255,0.3);
  letter-spacing:4px;
}

.tpl-stone .card-watermark{color:rgba(212,196,183,0.2);}
.tpl-white-stone .card-watermark{color:rgba(26,24,22,0.2);}

.tpl-sunset .card-bg{background:linear-gradient(160deg,#ff6b6b,#ee5a24 25%,#f0932b 50%,#ff6348 75%,#c44569);}
.tpl-sunset .card-overlay{background:radial-gradient(ellipse at 30% 20%,rgba(255,255,200,0.2) 0%,transparent 60%);}
.tpl-starry .card-bg{background:linear-gradient(180deg,#0c0c1d,#1a1a3e 40%,#16213e 70%,#0a3d62);}
.tpl-starry .card-overlay{background:radial-gradient(ellipse at 70% 30%,rgba(100,149,237,0.15) 0%,transparent 50%),radial-gradient(ellipse at 20% 70%,rgba(138,43,226,0.1) 0%,transparent 50%);}
.tpl-starry .card-decoration{background-image:radial-gradient(1px 1px at 10% 15%,rgba(255,255,255,0.8) 50%,transparent 50%),radial-gradient(1px 1px at 25% 35%,rgba(255,255,255,0.6) 50%,transparent 50%),radial-gradient(2px 2px at 40% 10%,rgba(255,255,255,0.9) 50%,transparent 50%),radial-gradient(1px 1px at 55% 55%,rgba(255,255,255,0.5) 50%,transparent 50%),radial-gradient(1px 1px at 70% 25%,rgba(255,255,255,0.7) 50%,transparent 50%),radial-gradient(2px 2px at 85% 45%,rgba(255,255,255,0.8) 50%,transparent 50%),radial-gradient(1px 1px at 15% 75%,rgba(255,255,255,0.6) 50%,transparent 50%),radial-gradient(1px 1px at 35% 85%,rgba(255,255,255,0.5) 50%,transparent 50%),radial-gradient(2px 2px at 60% 80%,rgba(255,255,255,0.7) 50%,transparent 50%),radial-gradient(1px 1px at 80% 70%,rgba(255,255,255,0.6) 50%,transparent 50%);}
.tpl-forest .card-bg{background:linear-gradient(170deg,#134e5e,#1a6b4a 35%,#2d8a5e 65%,#71b280);}
.tpl-forest .card-overlay{background:radial-gradient(ellipse at 60% 20%,rgba(255,255,200,0.15) 0%,transparent 50%);}
.tpl-minimal .card-bg{background:#f5f5f0;}
.tpl-minimal .card-text{color:#1a1a2e;text-shadow:none;}
.tpl-minimal .card-watermark{color:rgba(0,0,0,0.15);}
.tpl-neon .card-bg{background:linear-gradient(135deg,#0a0a0a,#1a1a1a 50%,#0d0d0d);}
.tpl-neon .card-overlay{background:radial-gradient(ellipse at 50% 50%,rgba(0,255,136,0.06) 0%,transparent 60%);}
.tpl-neon .card-text{text-shadow:0 0 20px rgba(0,255,136,0.4),0 0 60px rgba(0,255,136,0.15);}
.tpl-neon .card-decoration{border:1px solid rgba(0,255,136,0.1);margin:30px;border-radius:4px;}
.tpl-ink .card-bg{
  background-color:#f0ebe3;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E"), linear-gradient(180deg,#f5f2eb,#e3dbcf 50%,#d5c9b7);
}
.tpl-ink .card-text{color:#2c1810;text-shadow:none;}
.tpl-ink .card-watermark{color:rgba(44,24,16,0.2);}
.tpl-lavender .card-bg{background:linear-gradient(160deg,#667eea,#764ba2 40%,#a855f7 70%,#c084fc);}
.tpl-lavender .card-overlay{background:radial-gradient(ellipse at 30% 70%,rgba(255,255,255,0.1) 0%,transparent 50%);}
.tpl-coral .card-bg{background:linear-gradient(150deg,#f093fb,#f5576c 50%,#ff9a9e);}
.tpl-coral .card-overlay{background:radial-gradient(ellipse at 40% 30%,rgba(255,255,255,0.15) 0%,transparent 50%);}
.tpl-royal .card-bg{background:linear-gradient(170deg,#0f0c29,#1a1640 40%,#24243e);}
.tpl-royal .card-text{color:#d4af37;text-shadow:0 2px 16px rgba(212,175,55,0.25);}
.tpl-royal .card-watermark{color:rgba(212,175,55,0.2);}
.tpl-royal .card-decoration{border:1px solid rgba(212,175,55,0.12);margin:24px;}
.tpl-morandi .card-bg{
  background-color:#b5a89a;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E"), linear-gradient(160deg,#b5a89a,#c4b7a6 40%,#d5c8b8 70%,#c9b99a);
}
.tpl-morandi .card-text{color:#3d3225;text-shadow:0 1px 8px rgba(255,255,255,0.3);}
.tpl-morandi .card-watermark{color:rgba(61,50,37,0.2);}
.tpl-cyber .card-bg{background:linear-gradient(135deg,#0a0a1a,#1a0a2e 50%,#0a0a1a);}
.tpl-cyber .card-overlay{background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,255,255,0.02) 2px,rgba(0,255,255,0.02) 4px),radial-gradient(ellipse at 50% 50%,rgba(255,0,255,0.08) 0%,transparent 60%);}
.tpl-cyber .card-text{color:#00f0ff;text-shadow:0 0 10px rgba(0,240,255,0.6),0 0 40px rgba(0,240,255,0.2);}
.tpl-cyber .card-watermark{color:rgba(0,240,255,0.2);}
.tpl-autumn .card-bg{background:linear-gradient(170deg,#c97b2a,#d4913a 30%,#b86e2b 60%,#a0522d);}
.tpl-autumn .card-overlay{background:radial-gradient(ellipse at 40% 25%,rgba(255,220,150,0.2) 0%,transparent 50%);}

/* ========== Torn Paper Template (PNG mask + kraft paper) ========== */
/* Background: kraft paper texture; Decoration: JS-injected PNG torn edge overlay */

/* Kraft paper texture backgrounds */
.tpl-torn-paper .card-bg {
  background-color: #c4a67a;
  background-image:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E"),
    linear-gradient(170deg, #d4b896 0%, #c4a67a 30%, #b89460 60%, #a8845a 100%);
}
.tpl-torn-paper-warm .card-bg {
  background-color: #b88b5e;
  background-image:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E"),
    linear-gradient(170deg, #d4a87a 0%, #c29060 35%, #b07848 65%, #9a6840 100%);
}
.tpl-torn-paper-dark .card-bg {
  background-color: #8a7058;
  background-image:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.1'/%3E%3C/svg%3E"),
    linear-gradient(170deg, #9a8068 0%, #7a6048 35%, #604838 65%, #4a3828 100%);
}

/* Overlay unused for torn paper */
.tpl-torn-paper .card-overlay,
.tpl-torn-paper-warm .card-overlay,
.tpl-torn-paper-dark .card-overlay {
  background: transparent;
}

/* Decoration layer: holds the PNG torn paper overlay injected by JS */
.tpl-torn-paper .card-decoration,
.tpl-torn-paper-warm .card-decoration,
.tpl-torn-paper-dark .card-decoration {
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}

/* Text colors for each variant */
.tpl-torn-paper .card-text {
  color: #1a1a2e;
  text-shadow: none;
}
.tpl-torn-paper .card-watermark {
  color: rgba(26, 26, 46, 0.18);
}
.tpl-torn-paper-warm .card-text {
  color: #2c1810;
  text-shadow: none;
}
.tpl-torn-paper-warm .card-watermark {
  color: rgba(44, 24, 16, 0.18);
}
.tpl-torn-paper-dark .card-text {
  color: #f0e8d8;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}
.tpl-torn-paper-dark .card-watermark {
  color: rgba(240, 232, 216, 0.2);
}


/* ========== Custom Background Template ========== */
.tpl-custom .card-bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ========== Aspect Ratio Styles ========== */
.phone-frame.ratio-9-16 { aspect-ratio: 9/16; }
.phone-frame.ratio-3-4 { aspect-ratio: 3/4; }
.phone-frame.ratio-1-1 { aspect-ratio: 1/1; }

.export-size.ratio-9-16 { width: 1080px; height: 1920px; }
.export-size.ratio-3-4 { width: 1080px; height: 1440px; }
.export-size.ratio-1-1 { width: 1080px; height: 1080px; }

/* ========== Card Box & Card Style Containers ========== */
.card-box {
  width: 85%;
  max-height: 85%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: all var(--transition-normal);
}
.writing-vertical .card-box {
  height: 85%;
  width: auto;
  max-width: 85%;
  flex-direction: row-reverse;
}

.card-box.style-none {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}
.card-box.style-glass {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.card-box.style-white {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
  --text-color-override: #1c1c1e;
}
.card-box.style-black {
  background: #111115;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
  --text-color-override: #f5f5f7;
}
.card-box.style-paper {
  background: #fcf9f2;
  border: 1px solid #e5dec9;
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noisePaper'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noisePaper)' opacity='0.04'/%3E%3C/svg%3E");
  --text-color-override: #3a2d1f;
}

/* ========== Text Flow & Wrapping ========== */
.card-text-wrapper {
  width: 100%;
  max-height: 100%;
}
.card-text-wrapper.writing-vertical {
  height: 80%;
  width: auto;
  display: flex;
  flex-direction: row-reverse;
  align-items: stretch;
  justify-content: center;
  gap: 24px;
}
.writing-vertical .card-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  white-space: pre-wrap;
  height: 100%;
  text-align: center;
}

/* Color Overrides */
.card-text {
  color: var(--text-color-override, var(--card-text-color-base, #ffffff));
}

/* ========== Signature & Seal ========== */
.card-signature-wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
  width: 100%;
}
.writing-vertical .card-signature-wrapper {
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  margin-top: 0;
  width: auto;
  height: 100%;
}
.card-signature {
  font-size: calc(14px * var(--card-meta-scale, 1));
  opacity: 0.85;
  white-space: nowrap;
  color: var(--text-color-override, var(--card-text-color-base, rgba(255,255,255,0.85)));
  transition: all var(--transition-normal);
}

.card-seal {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 1.5px solid #e74c3c;
  color: #e74c3c;
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  background: rgba(231, 76, 60, 0.04);
  box-shadow: inset 0 0 1px rgba(231, 76, 60, 0.2);
  width: 24px;
  height: 24px;
  font-size: 10px;
  line-height: 1;
  padding: 1px;
  user-select: none;
  flex-shrink: 0;
}
.card-seal.seal-1 {
  font-size: 14px;
}
.card-seal.seal-2 {
  font-size: 9px;
  gap: 1px;
}
.card-seal.seal-4 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 1px;
  font-size: 8px;
}
.seal-cell {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========== Export scaling overrides ========== */
.export-size-box {
  width: 85%;
  max-height: 85%;
}
.export-size-box.style-glass {
  padding: 94.5px;
  border-width: 3.375px;
  border-radius: 54px;
  box-shadow: 0 34px 101px rgba(0, 0, 0, 0.25);
}
.export-size-box.style-white {
  padding: 94.5px;
  border-radius: 54px;
  box-shadow: 0 40px 121px rgba(0, 0, 0, 0.15);
}
.export-size-box.style-black {
  padding: 94.5px;
  border-width: 3.375px;
  border-radius: 54px;
  box-shadow: 0 40px 121px rgba(0, 0, 0, 0.35);
}
.export-size-box.style-paper {
  padding: 94.5px;
  border-width: 3.375px;
  border-radius: 40px;
  box-shadow: 0 27px 81px rgba(0, 0, 0, 0.08);
}
.export-size-box .card-signature-wrapper {
  gap: 27px;
  margin-top: 54px;
}
.export-size-box .writing-vertical .card-signature-wrapper {
  gap: 40px;
  margin-top: 0;
}
.export-size-box .card-signature {
  font-size: calc(47px * var(--card-meta-scale, 1));
}
.export-size-box .card-text-wrapper.writing-vertical {
  gap: 81px; /* scale 24 * 3.375 */
}

/* Scaled seal in export */
.export-size-box .card-seal {
  border-width: 5.06px !important; /* 1.5 * 3.375 */
  width: 81px !important; /* 24 * 3.375 */
  height: 81px !important;
  font-size: 33.75px !important;
  padding: 3.375px !important;
  box-shadow: inset 0 0 3.375px rgba(231, 76, 60, 0.2) !important;
}
.export-size-box .card-seal.seal-1 {
  font-size: 47.25px !important;
}
.export-size-box .card-seal.seal-2 {
  font-size: 30.37px !important;
  gap: 3.375px !important;
}
.export-size-box .card-seal.seal-4 {
  gap: 3.375px !important;
  font-size: 27px !important;
}

/* ========== Custom Controls UI Styling ========== */
.control-group-title {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.ratio-options, .dir-options, .card-style-options {
  display: flex;
  gap: 6px;
}
.ratio-options button, .dir-options button, .card-style-options button {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 4px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  text-align: center;
}
.ratio-options button:hover, .dir-options button:hover, .card-style-options button:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.ratio-options button.active, .dir-options button.active, .card-style-options button.active {
  border-color: var(--accent-start);
  background: rgba(102, 126, 234, 0.1);
  color: var(--accent-start);
  font-weight: 500;
}

.text-input-sm {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 13px;
  outline: none;
  transition: all var(--transition-normal);
}
.text-input-sm:focus {
  border-color: var(--accent-start);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.upload-group {
  display: flex;
  gap: 8px;
}
.upload-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
}
.upload-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-light);
}
.reset-bg-btn {
  background: rgba(231,76,60,0.1);
  border: 1px solid rgba(231,76,60,0.2);
  color: #e74c3c;
  padding: 8px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
}
.reset-bg-btn:hover {
  background: rgba(231,76,60,0.2);
}

.slider-label {
  font-size: 12px;
  color: var(--text-secondary);
  min-width: 60px;
}

.watermark-control-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Switch control */
.switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 20px;
  flex-shrink: 0;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: .3s;
  border-radius: 10px;
}
.switch-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-secondary);
  transition: .3s;
  border-radius: 50%;
}
.switch input:checked + .switch-slider {
  background-color: var(--accent-start);
  border-color: var(--accent-start);
}
.switch input:checked + .switch-slider:before {
  transform: translateX(18px);
  background-color: white;
}

/* ========== Animations & Misc ========== */
@keyframes fadeInDown{from{opacity:0;transform:translateY(-20px);}to{opacity:1;transform:translateY(0);}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}
.toast{position:fixed;bottom:40px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--bg-elevated);color:var(--text-primary);padding:14px 28px;border-radius:var(--radius-md);font-size:14px;box-shadow:var(--shadow-lg);border:1px solid var(--border-light);z-index:9999;opacity:0;transition:all var(--transition-smooth);pointer-events:none;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ========== Progress ========== */
.progress-bar{position:absolute;bottom:0;left:0;height:3px;background:var(--accent-gradient);border-radius:2px;transition:width 0.3s ease;}

/* ========== Responsive ========== */
@media(max-width:1100px){.main-content{grid-template-columns:280px 1fr 220px;gap:20px;}.phone-frame{width:280px;}.preview-nav{width:280px;}}
@media(max-width:900px){.main-content{grid-template-columns:1fr;gap:20px;}.control-panel{position:static;order:2;max-height:none;}.preview-panel{order:1;}.preview-wrapper{position:static;}.saved-panel{order:3;position:static;max-height:none;}.phone-frame{width:280px;margin:0 auto;}.preview-nav{width:280px;margin:0 auto;}.app-container{padding:16px;}}

/* ========== Tab Navigation ========== */
.tab-navigation {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
  animation: fadeInDown 0.6s ease;
  flex-shrink: 0;
}
.tab-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  outline: none;
}
.tab-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-light);
}
.tab-btn.active {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px var(--accent-glow);
}

/* ========== Dynamic Form Editor ========== */
.select-input-sm {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 13px;
  outline: none;
  cursor: pointer;
  transition: all var(--transition-normal);
}
.select-input-sm:focus {
  border-color: var(--accent-start);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.dynamic-items-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}
.list-item-edit {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px;
}
.list-item-edit-fields {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.add-btn-sm {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 11px;
  color: var(--accent-start);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.add-btn-sm:hover {
  background: var(--accent-start);
  color: #fff;
  border-color: transparent;
}
.del-btn-sm {
  background: rgba(231,76,60,0.1);
  border: 1px solid rgba(231,76,60,0.2);
  border-radius: 4px;
  color: #e74c3c;
  width: 26px;
  height: 26px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.del-btn-sm:hover {
  background: #e74c3c;
  color: #fff;
}

/* ========== Card Inner Component Layouts ========== */
/* Knowledge Card Layout */
.knowledge-layout {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.knowledge-title {
  font-size: calc(22px * var(--card-title-scale, 1));
  font-weight: 700;
  text-align: center;
  margin-bottom: 5px;
  border-bottom: 2px solid var(--card-text-color-base, #e74c3c);
  padding-bottom: 8px;
  width: auto;
  max-width: 100%;
}
.export-size .knowledge-title {
  font-size: calc(74px * var(--card-title-scale, 1));
  border-bottom-width: 6px;
  padding-bottom: 24px;
}
.knowledge-desc-box {
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--card-text-color-base, #e74c3c);
  padding: 10px 14px;
  border-radius: 4px;
  width: 100%;
}
.export-size .knowledge-desc-box {
  border-left-width: 9px;
  padding: 30px 42px;
  border-radius: 12px;
}
.knowledge-desc {
  font-size: calc(13px * var(--card-meta-scale, 1));
  line-height: 1.6;
  font-weight: 500;
  text-align: left;
}
.export-size .knowledge-desc {
  font-size: calc(40px * var(--card-meta-scale, 1));
}
.knowledge-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}
.export-size .knowledge-list {
  gap: 36px;
}
.knowledge-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.export-size .knowledge-item {
  gap: 30px;
}
.knowledge-item-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--card-text-color-base, #e74c3c);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(10px * var(--card-meta-scale, 1));
  font-weight: bold;
  flex-shrink: 0;
}
.export-size .knowledge-item-num {
  width: 66px;
  height: 66px;
  font-size: calc(33px * var(--card-meta-scale, 1));
}
.knowledge-item-text {
  font-size: calc(13px * var(--card-body-scale, 1));
  line-height: 1.5;
  text-align: left;
  flex: 1;
}
.export-size .knowledge-item-text {
  font-size: calc(40px * var(--card-body-scale, 1));
}
.knowledge-summary-box {
  background: rgba(255,255,255,0.06);
  border: 1px dashed rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 12px 16px;
  width: 100%;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.export-size .knowledge-summary-box {
  border-width: 3px;
  border-radius: 24px;
  padding: 36px 48px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}
.knowledge-summary-text {
  font-size: calc(13px * var(--card-meta-scale, 1));
  font-weight: 600;
  line-height: 1.6;
  text-align: center;
  font-style: italic;
}
.export-size .knowledge-summary-text {
  font-size: calc(40px * var(--card-meta-scale, 1));
}

/* Knowledge Item Slide (single item per card, centered number) */
.knowledge-item-slide {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}
.knowledge-item-num-lg {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--card-text-color-base, #e74c3c);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(20px * var(--card-title-scale, 1));
  font-weight: bold;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.knowledge-item-text-lg {
  font-size: calc(13px * var(--card-body-scale, 1));
  line-height: 1.7;
  text-align: center;
  width: 100%;
}
.export-size .knowledge-item-slide {
  gap: 48px;
}
.export-size .knowledge-item-num-lg {
  width: 120px;
  height: 120px;
  font-size: calc(60px * var(--card-title-scale, 1));
  box-shadow: 0 12px 36px rgba(0,0,0,0.25);
}
.export-size .knowledge-item-text-lg {
  font-size: calc(40px * var(--card-body-scale, 1));
}

/* Process Card Layout */
.process-layout {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.process-title {
  font-size: calc(22px * var(--card-title-scale, 1));
  font-weight: 700;
  text-align: center;
  margin-bottom: 10px;
}
.export-size .process-title {
  font-size: calc(72px * var(--card-title-scale, 1));
  margin-bottom: 30px;
}

/* Modern Vertical Timeline */
.modern-timeline {
  position: relative;
  width: 100%;
  padding-left: 24px;
  margin-top: 15px;
}
.export-size .modern-timeline {
  padding-left: 81px;
  margin-top: 50px;
}
.timeline-line {
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  opacity: 0.35;
}
.export-size .timeline-line {
  left: 20px;
  top: 34px;
  bottom: 34px;
  width: 6px;
}
.timeline-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}
.export-size .timeline-steps {
  gap: 54px;
}
.track-step-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  position: relative;
}
.export-size .track-step-item {
  gap: 54px;
}
.track-step-node {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  margin-top: 2px;
}
.export-size .track-step-node {
  margin-top: 6px;
}
.track-step-number {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(8.5px * var(--card-meta-scale, 1));
  font-weight: 800;
  box-shadow: 0 0 0 3px var(--bg-card, #1a1a2e);
}
.export-size .track-step-number {
  width: 47px;
  height: 47px;
  font-size: calc(28px * var(--card-meta-scale, 1));
  box-shadow: 0 0 0 10px var(--bg-card, #1a1a2e);
}
/* Ensure card backgrounds don't bleed if no background card container style is chosen */
.style-none .track-step-number {
  box-shadow: 0 0 0 3px rgba(0,0,0,0.8);
}
.export-size-box.style-none .track-step-number {
  box-shadow: 0 0 0 10px rgba(0,0,0,0.8);
}
/* If using white or paper card styles, the shadow around the number node should match its card background color */
.style-white .track-step-number { box-shadow: 0 0 0 3px #ffffff; }
.style-black .track-step-number { box-shadow: 0 0 0 3px #111115; }
.style-paper .track-step-number { box-shadow: 0 0 0 3px #fcf9f2; }
.export-size-box.style-white .track-step-number { box-shadow: 0 0 0 10px #ffffff; }
.export-size-box.style-black .track-step-number { box-shadow: 0 0 0 10px #111115; }
.export-size-box.style-paper .track-step-number { box-shadow: 0 0 0 10px #fcf9f2; }

.track-step-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}
.export-size .track-step-content {
  gap: 8px;
}
.track-step-title {
  font-size: calc(13px * var(--card-body-scale, 1));
  font-weight: 700;
  text-align: left;
}
.export-size .track-step-title {
  font-size: calc(42px * var(--card-body-scale, 1));
}
.track-step-desc {
  font-size: calc(11px * var(--card-meta-scale, 1));
  opacity: 0.75;
  line-height: 1.5;
  text-align: left;
}
.export-size .track-step-desc {
  font-size: calc(36px * var(--card-meta-scale, 1));
}

/* Horizontal Flow */
.flow-steps {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-around;
  width: 100%;
  gap: 8px;
}
.export-size .flow-steps {
  gap: 24px;
}
.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
}
.flow-step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--card-text-color-base, #e74c3c);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(10px * var(--card-meta-scale, 1));
  font-weight: bold;
  margin-bottom: 6px;
}
.export-size .flow-step-num {
  width: 72px;
  height: 72px;
  font-size: calc(33px * var(--card-meta-scale, 1));
  margin-bottom: 18px;
}
.flow-step-title {
  font-size: calc(12px * var(--card-body-scale, 1));
  font-weight: 700;
  margin-bottom: 2px;
}
.export-size .flow-step-title {
  font-size: calc(39px * var(--card-body-scale, 1));
  margin-bottom: 6px;
}
.flow-step-desc {
  font-size: calc(10px * var(--card-meta-scale, 1));
  opacity: 0.75;
  line-height: 1.4;
}
.export-size .flow-step-desc {
  font-size: calc(30px * var(--card-meta-scale, 1));
}
.flow-arrow {
  font-size: calc(14px * var(--card-meta-scale, 1));
  color: var(--card-text-color-base, #e74c3c);
  opacity: 0.6;
}
.export-size .flow-arrow {
  font-size: calc(42px * var(--card-meta-scale, 1));
}

/* Grid Steps */
.grid-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  width: 100%;
}
.export-size .grid-steps {
  gap: 36px;
}
.grid-step {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.export-size .grid-step {
  border-radius: 24px;
  border-width: 3px;
  padding: 30px;
  gap: 12px;
}
.grid-step-num {
  font-size: calc(10px * var(--card-meta-scale, 1));
  font-weight: 800;
  color: var(--card-text-color-base, #e74c3c);
  letter-spacing: 1px;
}
.export-size .grid-step-num {
  font-size: calc(33px * var(--card-meta-scale, 1));
}
.grid-step-title {
  font-size: calc(12px * var(--card-body-scale, 1));
  font-weight: 700;
}
.export-size .grid-step-title {
  font-size: calc(39px * var(--card-body-scale, 1));
}
.grid-step-desc {
  font-size: calc(10px * var(--card-meta-scale, 1));
  opacity: 0.75;
  line-height: 1.4;
}
.export-size .grid-step-desc {
  font-size: calc(33px * var(--card-meta-scale, 1));
}

/* SVG Chart Container */
.svg-chart-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.export-size .svg-chart-container {
  gap: 48px;
}
.svg-chart-title {
  font-size: calc(20px * var(--card-title-scale, 1));
  font-weight: 700;
  text-align: center;
}
.export-size .svg-chart-title {
  font-size: calc(66px * var(--card-title-scale, 1));
}
.svg-chart-body {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.export-size .svg-chart-body {
  max-width: 945px; /* 280 * 3.375 = 945 */
}
.svg-chart-body svg {
  width: 100%;
  height: 100%;
}

/* ========== AI Assistant Container (Bottom Docked) ========== */
.ai-assistant-container {
  display: flex;
  flex-direction: row;
  gap: 12px;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 12px 20px;
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0,0,0,0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  animation: fadeInUp 0.6s ease;
  z-index: 10;
  flex-shrink: 0;
}
.ai-assistant-container::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(90deg, transparent, var(--accent-start), var(--accent-end), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.3;
  transition: opacity var(--transition-normal);
}
.ai-assistant-container:focus-within::before {
  opacity: 0.8;
}

/* ========== Right-Top Settings Button ========== */
.settings-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  z-index: 100;
}
.settings-btn:hover {
  border-color: var(--accent-start);
  color: var(--text-primary);
  transform: rotate(45deg);
  box-shadow: 0 0 12px var(--accent-glow);
  background: var(--bg-hover);
}
#skills-btn {
  right: 72px;
}
#skills-btn:hover {
  transform: scale(1.08) translateY(-1px);
}

/* ========== Settings Modal ========== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 10, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: modalFadeIn 0.3s ease;
}
.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 460px;
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0,0,0,0.5);
  overflow: hidden;
  animation: modalZoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast);
  line-height: 1;
}
.modal-close-btn:hover {
  color: var(--text-primary);
}
.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.settings-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}
.settings-group label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}
.settings-hint {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  background: var(--bg-card);
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  text-align: left;
}
.settings-hint code {
  color: var(--accent-start);
  background: rgba(102, 126, 234, 0.1);
  padding: 1px 4px;
  border-radius: 3px;
}
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(0,0,0,0.15);
}
.modal-btn {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: 'Noto Sans SC', sans-serif;
}
.modal-btn.cancel {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
}
.modal-btn.cancel:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.modal-btn.save {
  background: var(--accent-gradient);
  border: none;
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}
.modal-btn.save:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes modalZoomIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.ai-input {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 12px;
  outline: none;
  transition: all var(--transition-normal);
  min-width: 0;
}
.ai-input::placeholder {
  color: var(--text-muted);
}
.ai-input:focus {
  border-color: var(--accent-start);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.ai-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ai-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Noto Sans SC', sans-serif;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm), 0 0 10px var(--accent-glow);
}
.ai-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md), 0 0 20px var(--accent-glow);
}
.ai-btn:active {
  transform: translateY(0);
}
.ai-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.ai-btn-icon {
  display: inline-block;
  font-size: 13px;
  animation: magicWave 1.5s infinite alternate;
}

@keyframes magicWave {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.15) rotate(15deg); }
}

/* ========== 3 New Card Layouts (Dictionary, Equation, Radar) ========== */
.custom-card-layout-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 1. Dictionary Card Layout */
.dictionary-layout {
  display: flex;
  flex-direction: column;
  text-align: left;
  width: 100%;
}
.dict-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.dict-word {
  font-size: calc(32px * var(--card-title-scale, 1));
  font-weight: 900;
  margin: 0;
  letter-spacing: 1px;
}
.dict-pronunciation {
  font-size: calc(12px * var(--card-meta-scale, 1));
  opacity: 0.6;
  font-family: 'Noto Sans SC', sans-serif;
  letter-spacing: 0.5px;
  display: inline-block;
  text-align: right;
  line-height: 1.3;
}
.dict-divider {
  height: 1px;
  width: 100%;
  margin: 14px 0;
}
.dict-section {
  margin-bottom: 12px;
}
.dict-section-tag {
  display: block;
  font-size: calc(10px * var(--card-meta-scale, 1));
  opacity: 0.5;
  margin-bottom: 4px;
  letter-spacing: 1px;
}
.dict-text {
  font-size: calc(14px * var(--card-body-scale, 1));
  line-height: 1.6;
  margin: 0;
}
.dict-standard-text {
  text-decoration: line-through;
  opacity: 0.45;
}
.dict-essence-text {
  font-weight: 700;
  padding-left: 10px;
}
.dict-ingredients-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}
.dict-ingredient-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: relative;
}
.dict-ingredient-row::after {
  content: "";
  flex: 1;
  border-bottom: 1.5px dotted var(--text-color-override, var(--card-text-color-base, rgba(255, 255, 255, 0.15)));
  margin: 0 10px;
  align-self: center;
  opacity: 0.35;
}
.dict-ingredient-label {
  font-size: calc(12px * var(--card-body-scale, 1));
  white-space: nowrap;
  opacity: 0.85;
}
.dict-ingredient-value {
  font-size: calc(11px * var(--card-meta-scale, 1));
  white-space: nowrap;
  opacity: 0.85;
}

/* 2. Equation Card Layout */
.equation-layout {
  display: flex;
  flex-direction: column;
  width: 100%;
  text-align: center;
}
.eq-title {
  font-size: calc(14px * var(--card-title-scale, 1));
  font-weight: 500;
  opacity: 0.6;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.eq-formula-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: calc(20px * var(--card-title-scale, 1));
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.eq-formula-operator {
  opacity: 0.5;
}
.eq-variables-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.eq-variable-card {
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.eq-variable-header {
  display: flex;
  align-items: center;
  gap: 6px;
}
.eq-variable-symbol {
  font-size: calc(14px * var(--card-body-scale, 1));
  font-weight: 900;
}
.eq-variable-label {
  font-size: calc(11px * var(--card-body-scale, 1));
  font-weight: 500;
  opacity: 0.9;
}
.eq-variable-desc {
  font-size: calc(9.5px * var(--card-meta-scale, 1));
  opacity: 0.55;
  line-height: 1.4;
  margin: 0;
}
.eq-insight-box {
  padding-top: 14px;
  text-align: left;
}
.eq-insight-title {
  font-size: calc(10px * var(--card-meta-scale, 1));
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.eq-insight-text {
  font-size: calc(13px * var(--card-body-scale, 1));
  line-height: 1.6;
  opacity: 0.85;
  margin: 0;
}

/* 3. Radar Card Layout */
.radar-layout {
  display: flex;
  flex-direction: column;
  width: 100%;
  text-align: center;
}
.radar-title {
  font-size: calc(16px * var(--card-title-scale, 1));
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 6px;
}
.radar-chart-body {
  width: 100%;
  aspect-ratio: 1/1;
  max-width: 250px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.radar-desc-box {
  padding-top: 14px;
  text-align: left;
}
.radar-desc-title {
  font-size: calc(10px * var(--card-meta-scale, 1));
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.radar-desc-text {
  font-size: calc(12.5px * var(--card-body-scale, 1));
  line-height: 1.6;
  opacity: 0.8;
  margin: 0;
}

/* Export scaling adjustments for layouts */
.export-size .dict-word { font-size: calc(108px * var(--card-title-scale, 1)); }
.export-size .dict-pronunciation { font-size: calc(40px * var(--card-meta-scale, 1)); }
.export-size .dict-divider { margin: 48px 0; }
.export-size .dict-section { margin-bottom: 40px; }
.export-size .dict-section-tag { font-size: calc(33px * var(--card-meta-scale, 1)); margin-bottom: 12px; }
.export-size .dict-text { font-size: calc(47px * var(--card-body-scale, 1)); }
.export-size .dict-essence-text { padding-left: 33px; border-left-width: 10px !important; }
.export-size .dict-ingredients-list { gap: 27px; margin-top: 20px; }
.export-size .dict-ingredient-row { gap: 0; }
.export-size .dict-ingredient-row::after {
  border-bottom-width: 5px;
  margin: 0 34px;
}
.export-size .dict-ingredient-label {
  font-size: calc(40px * var(--card-body-scale, 1));
  width: auto;
}
.export-size .dict-ingredient-value {
  font-size: calc(37px * var(--card-meta-scale, 1));
}

.export-size .eq-title { font-size: calc(47px * var(--card-title-scale, 1)); margin-bottom: 40px; }
.export-size .eq-formula-container { gap: 27px; padding: 54px; border-radius: 40px; margin-bottom: 54px; font-size: calc(67px * var(--card-title-scale, 1)); }
.export-size .eq-variables-grid { gap: 27px; margin-bottom: 54px; }
.export-size .eq-variable-card { padding: 33px; border-radius: 20px; gap: 12px; }
.export-size .eq-variable-header { gap: 20px; }
.export-size .eq-variable-symbol { font-size: calc(47px * var(--card-body-scale, 1)); }
.export-size .eq-variable-label { font-size: calc(37px * var(--card-body-scale, 1)); }
.export-size .eq-variable-desc { font-size: calc(32px * var(--card-meta-scale, 1)); line-height: 1.4; }
.export-size .eq-insight-box { padding-top: 47px; }
.export-size .eq-insight-title { font-size: calc(33px * var(--card-meta-scale, 1)); margin-bottom: 20px; }
.export-size .eq-insight-text { font-size: calc(44px * var(--card-body-scale, 1)); }

.export-size .radar-title { font-size: calc(54px * var(--card-title-scale, 1)); margin-bottom: 20px; }
.export-size .radar-chart-body { max-width: 840px; }
.export-size .radar-desc-box { padding-top: 47px; }
.export-size .radar-desc-title { font-size: calc(33px * var(--card-meta-scale, 1)); margin-bottom: 20px; }
.export-size .radar-desc-text { font-size: calc(42px * var(--card-body-scale, 1)); }

/* Custom default bar colors for dark cards in dictionary */
:root {
  --dict-bar-gradient: linear-gradient(90deg, var(--accent-start) 0%, var(--accent-end) 100%);
}

/* ========== 4. OPC Incubator Layout ========== */
.opc-layout {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  width: 100%;
  text-align: left;
  gap: 10px;
  padding: 12px 4px;
}
.opc-kicker {
  font-size: calc(9px * var(--card-meta-scale, 1));
  font-weight: 800;
  letter-spacing: 1.8px;
  opacity: 0.75;
  text-align: center;
}
.opc-title {
  font-size: calc(22px * var(--card-title-scale, 1));
  line-height: 1.25;
  font-weight: 800;
  text-align: center;
  word-break: break-word;
}
.opc-divider {
  width: 44px;
  height: 2px;
  border-radius: 99px;
  align-self: center;
  opacity: 0.9;
  margin: 2px 0 4px;
}
.opc-sections {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.opc-section {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  padding: 7px 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(4px);
}
.opc-section-label {
  font-size: calc(10px * var(--card-meta-scale, 1));
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1.5;
}
.opc-section-text {
  font-size: calc(12px * var(--card-body-scale, 1));
  line-height: 1.55;
  font-weight: 500;
  opacity: 0.92;
  word-break: break-word;
}

.export-size .opc-layout {
  gap: 34px;
  padding: 40px 14px;
}
.export-size .opc-kicker {
  font-size: calc(30px * var(--card-meta-scale, 1));
  letter-spacing: 6px;
}
.export-size .opc-title {
  font-size: calc(74px * var(--card-title-scale, 1));
}
.export-size .opc-divider {
  width: 148px;
  height: 7px;
  margin: 7px 0 14px;
}
.export-size .opc-sections {
  gap: 24px;
}
.export-size .opc-section {
  grid-template-columns: 115px minmax(0, 1fr);
  gap: 27px;
  padding: 24px 27px;
  border-radius: 27px;
}
.export-size .opc-section-label {
  font-size: calc(34px * var(--card-meta-scale, 1));
}
.export-size .opc-section-text {
  font-size: calc(40px * var(--card-body-scale, 1));
}

/* ========== 5. Source Quote Layout (Movie & Book) ========== */
.source-quote-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px 10px;
  height: 100%;
  gap: 12px;
}
.source-quote-icon {
  opacity: 0.6;
  margin-bottom: 4px;
}
.source-quote-text {
  font-size: calc(16px * var(--card-body-scale, 1));
  line-height: 1.8;
  font-weight: 500;
  letter-spacing: 0.02em;
  max-width: 90%;
  margin: 0;
  padding: 0;
}
.source-quote-divider {
  width: 40px;
  height: 1px;
  margin: 8px 0;
  flex-shrink: 0;
}
.source-quote-source {
  font-size: calc(11px * var(--card-meta-scale, 1));
  opacity: 0.6;
  letter-spacing: 0.08em;
  font-weight: 400;
}

/* Export scaling for source quote */
.export-size .source-quote-layout {
  padding: 67px 34px;
  gap: 40px;
}
.export-size .source-quote-icon {
  margin-bottom: 14px;
}
.export-size .source-quote-text {
  font-size: calc(54px * var(--card-body-scale, 1));
  line-height: 1.8;
}
.export-size .source-quote-divider {
  width: 135px;
  height: 3px;
  margin: 27px 0;
}
.export-size .source-quote-source {
  font-size: calc(37px * var(--card-meta-scale, 1));
}

/* ========== 5. Work Diary Layout ========== */
.work-diary-layout {
  display: flex;
  flex-direction: column;
  width: 100%;
  text-align: left;
  gap: 4px;
}
.wd-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.wd-date-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.wd-icon {
  font-size: calc(18px * var(--card-title-scale, 1));
}
.wd-date {
  font-size: calc(16px * var(--card-title-scale, 1));
  font-weight: 700;
  letter-spacing: 0.5px;
}
.wd-mood {
  font-size: calc(14px * var(--card-title-scale, 1));
  font-weight: 500;
  padding-left: 2px;
}
.wd-divider {
  height: 1px;
  width: 100%;
  margin: 10px 0;
}
.wd-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.wd-section-label {
  font-size: calc(10px * var(--card-meta-scale, 1));
  opacity: 0.45;
  letter-spacing: 2px;
  text-align: center;
  font-weight: 500;
}
.wd-tasks-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.wd-task-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.wd-task-check {
  font-size: calc(13px * var(--card-body-scale, 1));
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.wd-task-text {
  font-size: calc(13px * var(--card-body-scale, 1));
  line-height: 1.5;
  opacity: 0.9;
}
.wd-empty {
  font-size: calc(12px * var(--card-body-scale, 1));
  opacity: 0.4;
  text-align: center;
}
.wd-reflection {
  font-size: calc(12px * var(--card-meta-scale, 1));
  line-height: 1.7;
  margin: 0;
  padding: 8px 0 8px 12px;
  border-left: 2px solid;
  opacity: 0.85;
  font-style: italic;
}

/* Export scaling for work diary */
.export-size .wd-icon { font-size: calc(60px * var(--card-title-scale, 1)); }
.export-size .wd-date { font-size: calc(54px * var(--card-title-scale, 1)); }
.export-size .wd-date-row { gap: 20px; }
.export-size .wd-mood { font-size: calc(47px * var(--card-title-scale, 1)); padding-left: 6px; }
.export-size .wd-header { gap: 20px; }
.export-size .wd-divider { margin: 34px 0; }
.export-size .wd-section { gap: 27px; }
.export-size .wd-section-label { font-size: calc(33px * var(--card-meta-scale, 1)); letter-spacing: 6px; }
.export-size .wd-tasks-list { gap: 20px; }
.export-size .wd-task-item { gap: 27px; }
.export-size .wd-task-check { font-size: calc(44px * var(--card-body-scale, 1)); margin-top: 4px; }
.export-size .wd-task-text { font-size: calc(44px * var(--card-body-scale, 1)); }
.export-size .wd-empty { font-size: calc(40px * var(--card-body-scale, 1)); }
.export-size .wd-reflection {
  font-size: calc(40px * var(--card-meta-scale, 1));
  padding: 27px 0 27px 40px;
  border-left-width: 6px;
}

/* ========== Mode Switcher Option Toggles ========== */
.mode-toggles {
  display: flex;
  gap: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 4px;
  margin-bottom: 4px;
  flex-shrink: 0;
}
.mode-toggle-btn {
  flex: 1;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  padding: 10px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.mode-toggle-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}
.mode-toggle-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
}

/* ========== Xiaohei Card Layout ========== */
.xiaohei-layout {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.xiaohei-image-container {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 4px 0;
}
.xiaohei-img {
  max-width: 130px;
  max-height: 130px;
  object-fit: contain;
  display: block;
}
.xiaohei-question-box,
.xiaohei-answer-box {
  border: none;
  padding: 8px 16px;
  font-size: calc(14px * var(--card-body-scale, 1));
  line-height: 1.5;
  text-align: center;
  font-weight: 700;
  max-width: 85%;
  word-break: break-all;
  box-sizing: border-box;
}

/* Export Scale Styles for Xiaohei */
.export-size .xiaohei-layout {
  gap: 24px;
}
.export-size .xiaohei-image-container {
  margin: 10px 0;
}
.export-size .xiaohei-img {
  max-width: 438px; /* 130 * 3.375 = 438.75 */
  max-height: 438px;
}
.export-size .xiaohei-question-box,
.export-size .xiaohei-answer-box {
  border: none;
  padding: 15px 40px;
  font-size: calc(47px * var(--card-body-scale, 1));
}

/* Xiaohei Action Selector Grid (Control Panel) */
.xiaohei-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 10px;
  max-height: 250px;
  overflow-y: auto;
  padding: 8px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}
.xiaohei-action-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  cursor: pointer;
  padding: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-normal);
}
.xiaohei-action-item:hover {
  border-color: var(--accent-start);
  background: var(--bg-hover);
}
.xiaohei-action-item.active {
  border-color: var(--accent-start);
  background: rgba(102, 126, 234, 0.15);
  box-shadow: 0 0 8px var(--accent-glow);
}
.xiaohei-action-img {
  width: 100%;
  height: 45px;
  object-fit: contain;
}
.xiaohei-action-label {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

/* ========== Auth and Account Management ========== */
.auth-screen {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 5, 10, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
body.authenticated .auth-screen {
  display: none;
}
body:not(.authenticated) .app-container {
  pointer-events: none;
  filter: blur(3px);
  opacity: 0.5;
}
.auth-card {
  width: min(380px, calc(100vw - 32px));
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg), 0 0 32px rgba(0,0,0,0.45);
}
.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 6px;
}
.auth-brand h2 {
  font-size: 22px;
  letter-spacing: 1px;
}
.auth-subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  text-align: center;
  margin-bottom: 20px;
}
.auth-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  font-size: 12px;
}
.auth-field input,
.account-create-grid input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  color: var(--text-primary);
  outline: none;
}
.auth-field input:focus,
.account-create-grid input:focus {
  border-color: var(--accent-start);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.auth-submit-btn {
  width: 100%;
  border: 0;
  border-radius: var(--radius-md);
  padding: 11px 14px;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-sm), 0 0 12px var(--accent-glow);
}
.auth-submit-btn:disabled {
  opacity: 0.65;
  cursor: wait;
}
.auth-error {
  background: rgba(231, 76, 60, 0.15);
  color: #ff9b9b;
  border: 1px solid rgba(231, 76, 60, 0.3);
  border-radius: var(--radius-sm);
  padding: 9px 10px;
  font-size: 12px;
  margin-bottom: 14px;
}
#admin-users-btn {
  right: 124px;
}
#account-btn {
  right: 176px;
}
.auth-icon-btn:hover {
  transform: scale(1.08) translateY(-1px);
}
.auth-icon-btn span {
  font-size: 12px;
  font-weight: 700;
}
.account-modal-card {
  max-width: 760px;
}
.account-create-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 10px;
}
.account-user-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 360px;
  overflow-y: auto;
}
.account-user-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 80px 70px auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 12px;
}
.account-user-name {
  color: var(--text-primary);
  font-weight: 600;
}
.account-user-meta {
  color: var(--text-muted);
}
.account-status {
  color: #65d68a;
}
.account-status.disabled {
  color: #ff9b9b;
}
.account-row-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.account-row-actions button {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  padding: 6px 8px;
  cursor: pointer;
}
.account-row-actions button:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

@media(max-width:760px) {
  .account-create-grid,
  .account-user-row {
    grid-template-columns: 1fr;
  }
}