/**
 * AI Daily News - MetaBlog Style
 */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');
:root {
  --bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: #1e293b;--bg-card-hover: #252f47;--bg-footer: #0b1120;
  --text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;
  --accent-purple: #8b5cf6;--accent-blue: #3b82f6;--accent-cyan: #06b6d4;--accent-pink: #ec4899;
  --tag-ai_industry: #a855f7;
  --tag-business_finance: #3b82f6;
  --tag-auto_ev: #10b981;
  --tag-semiconductor: #6366f1;
  --tag-biopharma: #ec4899;
  --tag-smartphone: #f43f5e;
  --tag-entertainment: #84cc16;
  --tag-clean_energy: #06b6d4;
  --space-xs: 0.5rem;--space-sm: 0.75rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;
  --radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);--shadow-md: 0 4px 16px rgba(0,0,0,0.3);--shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
  --transition-fast: 0.2s ease;--transition-normal: 0.3s ease;--transition-slow: 0.5s ease;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans','Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}
.header{position:sticky;top:0;z-index:100;background:rgba(15,23,42,0.95);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,0.05)}
.nav-container{max-width:1280px;margin:0 auto;padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:0.75rem;text-decoration:none;color:var(--text-primary);flex-shrink:0}
.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--accent-purple),var(--accent-blue));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem}
.logo-text{font-size:1.5rem;font-weight:800;letter-spacing:-0.02em}
.nav-links{display:flex;align-items:center;gap:1.25rem;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:0.25rem 0.5rem;flex:1;min-width:0;margin:0 1.5rem;mask-image:linear-gradient(to right,transparent,black 1.5rem,black calc(100% - 1.5rem),transparent)}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:0.9rem;transition:var(--transition-fast);position:relative;white-space:nowrap;padding:0.25rem 0}
.nav-link:hover{color:var(--text-primary)}
.nav-link.active{color:var(--accent-purple)}
.nav-link.active::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--accent-purple);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:1rem;flex-shrink:0}
.search-box{position:relative}
.search-input{background:var(--bg-secondary);border:1px solid rgba(255,255,255,0.1);border-radius:100px;padding:0.6rem 1rem 0.6rem 2.5rem;color:var(--text-primary);font-size:0.9rem;width:200px;transition:var(--transition-fast)}
.search-input:focus{outline:none;border-color:var(--accent-purple);width:240px}
.search-input::placeholder{color:var(--text-muted)}
.search-icon{position:absolute;left:0.875rem;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:0.9rem}
.hero{padding:var(--space-3xl) 2rem;max-width:1280px;margin:0 auto}
.hero-card{position:relative;background:var(--bg-secondary);border-radius:var(--radius-xl);overflow:hidden;min-height:400px;display:flex;align-items:flex-end}
.hero-image{position:absolute;inset:0;background:linear-gradient(135deg,#1e1b4b 0%,#312e81 50%,#1e1b4b 100%);overflow:hidden}
.hero-image::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 80%,rgba(139,92,246,0.3) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(59,130,246,0.3) 0%,transparent 50%)}
.hero-content{position:relative;z-index:2;padding:var(--space-2xl);max-width:600px}
.hero-tag{display:inline-flex;align-items:center;gap:0.5rem;background:var(--accent-purple);color:#fff;padding:0.4rem 0.875rem;border-radius:100px;font-size:0.8rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;margin-bottom:var(--space-md)}
.hero-title{font-size:2.5rem;font-weight:800;line-height:1.2;margin-bottom:var(--space-md);letter-spacing:-0.02em}
.hero-meta{display:flex;align-items:center;gap:var(--space-md);color:var(--text-secondary);font-size:0.9rem}
.hero-author{display:flex;align-items:center;gap:0.5rem}
.author-avatar{width:28px;height:28px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.75rem}
.main{max-width:1280px;margin:0 auto;padding:0 2rem var(--space-3xl);display:flex;flex-direction:column;align-items:center}
.stats-bar{display:flex;justify-content:center;gap:var(--space-3xl);padding:var(--space-xl) 0;margin-bottom:var(--space-2xl);border-bottom:1px solid rgba(255,255,255,0.05);width:100%}
.stat-item{text-align:center}
.stat-value{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--accent-purple),var(--accent-blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.stat-label{color:var(--text-secondary);font-size:0.9rem;margin-top:0.5rem}
/* Category Filter Removed - Moved to Header */
.news-grid{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:var(--space-xl);max-width:1088px;width:100%;margin:0 auto}
.news-card-link{display:block;text-decoration:none;color:inherit;width:340px;flex-shrink:0}
.news-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition-normal);border:1px solid rgba(255,255,255,0.05);height:100%;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);background:var(--bg-card-hover);box-shadow:var(--shadow-lg);border-color:rgba(139,92,246,0.2)}
.news-image{position:relative;height:180px;background:linear-gradient(135deg,var(--bg-secondary),#2d3748);overflow:hidden;flex-shrink:0}
.news-image img{width:100%;height:100%;object-fit:cover;transition:var(--transition-slow)}
.news-card:hover .news-image img{transform:scale(1.05)}
.news-image::before{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,transparent 60%,rgba(15,23,42,0.8) 100%);z-index:1;pointer-events:none}
.news-category-tag{position:absolute;top:var(--space-md);left:var(--space-md);background:var(--accent-purple);color:#fff;padding:0.35rem 0.75rem;border-radius:100px;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.02em}
.news-category-tag.ai_industry{background:var(--tag-ai_industry)}
.news-category-tag.business_finance{background:var(--tag-business_finance)}
.news-category-tag.auto_ev{background:var(--tag-auto_ev)}
.news-category-tag.semiconductor{background:var(--tag-semiconductor)}
.news-category-tag.biopharma{background:var(--tag-biopharma)}
.news-category-tag.smartphone{background:var(--tag-smartphone)}
.news-category-tag.entertainment{background:var(--tag-entertainment)}
.news-category-tag.clean_energy{background:var(--tag-clean_energy)}
.news-content{padding:var(--space-lg);flex:1;display:flex;flex-direction:column}
.news-title{font-size:1.1rem;font-weight:700;line-height:1.4;margin-bottom:var(--space-sm);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--text-primary);text-decoration:none;transition:var(--transition-fast)}
.news-title a:hover{color:var(--accent-purple)}
.news-summary{color:var(--text-secondary);font-size:0.9rem;line-height:1.6;margin-bottom:var(--space-md);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-md);border-top:1px solid rgba(255,255,255,0.05)}
.news-author{display:flex;align-items:center;gap:0.5rem;font-size:0.85rem;color:var(--text-secondary)}
.news-date{font-size:0.8rem;color:var(--text-muted)}
.category-section{max-width:1088px;width:100%;margin:0 auto var(--space-3xl) auto}
.category-header{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-xl);padding-bottom:var(--space-md);border-bottom:2px solid;border-image:linear-gradient(90deg,var(--accent-purple),transparent) 1}
.category-title{font-size:1.75rem;font-weight:800;display:flex;align-items:center;gap:0.75rem}
.category-icon{font-size:1.5rem}
.category-count{background:var(--bg-secondary);color:var(--text-secondary);padding:0.35rem 0.875rem;border-radius:100px;font-size:0.85rem;font-weight:600;margin-left:auto}
.footer{background:var(--bg-footer);border-top:1px solid rgba(255,255,255,0.05);padding:var(--space-3xl) 2rem var(--space-xl)}
.footer-container{max-width:1280px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--space-2xl);margin-bottom:var(--space-2xl)}
.footer-brand{max-width:300px}
.footer-logo{display:flex;align-items:center;gap:0.75rem;margin-bottom:var(--space-md)}
.footer-desc{color:var(--text-secondary);font-size:0.9rem;line-height:1.7;margin-bottom:var(--space-md)}
.footer-contact{color:var(--text-muted);font-size:0.85rem}
.footer-title{font-size:1rem;font-weight:700;margin-bottom:var(--space-md);color:var(--text-primary)}
.footer-links{list-style:none}
.footer-links li{margin-bottom:0.6rem}
.footer-links a{color:var(--text-secondary);text-decoration:none;font-size:0.9rem;transition:var(--transition-fast)}
.footer-links a:hover{color:var(--accent-purple)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:var(--space-xl);border-top:1px solid rgba(255,255,255,0.05)}
.footer-copyright{color:var(--text-muted);font-size:0.85rem}
.archive-list{display:flex;flex-direction:column;gap:var(--space-md)}
.archive-item{background:var(--bg-card);border-radius:var(--radius-md);padding:var(--space-lg);display:flex;align-items:center;justify-content:space-between;transition:var(--transition-fast);border:1px solid rgba(255,255,255,0.05);text-decoration:none;color:inherit}
.archive-item:hover{background:var(--bg-card-hover);border-color:rgba(139,92,246,0.2)}
.archive-date{font-size:1.1rem;font-weight:600;color:var(--text-primary)}
.archive-link{color:var(--accent-purple);text-decoration:none;font-weight:500;display:flex;align-items:center;gap:0.5rem}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.card-hidden{opacity:0;transform:translateY(20px)}
.card-visible{opacity:1;transform:translateY(0);transition:opacity 0.5s ease,transform 0.5s ease}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}
::selection{background:var(--accent-purple);color:#fff}
.summary-btn{display:flex;align-items:center;gap:var(--space-xs);background:linear-gradient(135deg,var(--accent-purple),var(--accent-blue));color:#fff;border:none;border-radius:var(--radius-md);padding:12px 20px;font-size:0.9rem;font-weight:600;cursor:pointer;box-shadow:0 4px 15px rgba(139,92,246,0.3);transition:all 0.3s ease;white-space:nowrap;text-decoration:none}
.summary-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(139,92,246,0.4)}
@media(max-width:1024px){.news-grid{max-width:720px;gap:var(--space-lg)}.news-card-link{width:340px}.category-section,.main{max-width:720px;width:100%}.hero-title{font-size:2rem}}
@media(max-width:768px){.news-grid{width:100%;justify-content:center;gap:var(--space-md)}.news-card-link{width:100%;max-width:380px}.category-section{width:100%;max-width:100%;padding:0 1rem;box-sizing:border-box;margin:0 auto var(--space-2xl) auto}.main{padding:0 1rem var(--space-xl)}.hero{padding:var(--space-xl) 1rem}.hero-card{min-height:300px}.hero-content{padding:var(--space-lg)}.hero-title{font-size:1.5rem}.hero-meta{flex-wrap:wrap;gap:var(--space-sm)}.nav-container{padding:0.75rem 1rem;flex-direction:column;align-items:stretch;gap:var(--space-md)}.nav-links{width:100%;justify-content:flex-start;order:2;padding-bottom:0.5rem}.search-box{display:none}.category-title{font-size:1.25rem}.stats-bar{gap:var(--space-xl)}.stat-value{font-size:1.75rem}.footer-grid{grid-template-columns:1fr;gap:var(--space-xl)}.footer-bottom{flex-direction:column;gap:var(--space-md);text-align:center}}
@media(max-width:480px){.hero-title{font-size:1.25rem}.category-header{flex-wrap:wrap;gap:var(--space-sm)}.category-count{margin-left:0}.news-content{padding:var(--space-md)}.news-title{font-size:1rem}}

/* Summary Modal & Toast Styles */
.modal-overlay { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.8); backdrop-filter: blur(10px); }
.modal-content { background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%); border: 1px solid rgba(139, 92, 246, 0.3); border-radius: 24px; max-width: 800px; max-height: 85vh; width: 90%; overflow: hidden; display: flex; flex-direction: column; position: relative; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5); }
.modal-close { position: absolute; top: 1rem; right: 1rem; z-index: 20; background: rgba(255,255,255,0.1); border: none; color: #94a3b8; font-size: 1.5rem; cursor: pointer; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.modal-close:hover { background: rgba(255,255,255,0.2); color: #fff; }
.modal-body { flex: 1; overflow-y: auto; padding: 2.5rem; scrollbar-width: thin; }
.modal-title { font-size: 2rem; font-weight: 800; margin-bottom: 2rem; text-align: center; background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.modal-summary { color: #f8fafc; font-size: 1.1rem; line-height: 1.8; margin-bottom: 2.5rem; padding: 1.5rem; background: rgba(139, 92, 246, 0.1); border-radius: var(--radius-md); border-left: 4px solid var(--accent-purple); }
.modal-category { margin-bottom: 1.5rem; padding: 1.5rem; background: rgba(255,255,255,0.03); border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.05); }
.modal-category-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.75rem; }
.modal-category-text { color: var(--text-secondary); font-size: 1rem; margin-bottom: 1rem; line-height: 1.6; }
.keypoint-tag { background: rgba(139, 92, 246, 0.2); color: #a78bfa; padding: 0.35rem 0.875rem; border-radius: 100px; font-size: 0.85rem; font-weight: 500; }
.modal-actions { padding: 1.5rem 2.5rem; background: rgba(15, 23, 42, 0.8); backdrop-filter: blur(10px); border-top: 1px solid rgba(255,255,255,0.05); display: flex; gap: 1rem; justify-content: center; z-index: 10; }
.toast { position: fixed; bottom: 100px; left: 50%; transform: translateX(-50%); background: rgba(139,92,246,0.95); color: #fff; padding: 12px 28px; border-radius: 100px; font-size: 0.95rem; font-weight: 500; z-index: 1000; animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1); backdrop-filter: blur(10px); box-shadow: var(--shadow-lg); }