/* ==============================
   AI Navigator v3.0 - Premium CSS
   ============================== */

/* --- Reset & Variables --- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-primary:#0b0b1a;
  --bg-secondary:#111128;
  --bg-tertiary:#1a1a3e;
  --bg-glass:rgba(17,17,40,0.6);
  --bg-glass-hover:rgba(17,17,40,0.8);
  --text-primary:#e8e8f4;
  --text-secondary:#a0a0c8;
  --text-tertiary:#6060a0;
  --accent:#6c5ce7;
  --accent2:#fd79a8;
  --accent3:#00b894;
  --accent-gradient:linear-gradient(135deg,#6c5ce7,#fd79a8);
  --border:rgba(255,255,255,0.06);
  --border-light:rgba(255,255,255,0.10);
  --shadow-sm:0 1px 4px rgba(0,0,0,0.3);
  --shadow-md:0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg:0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow:0 4px 24px rgba(108,92,231,0.25);
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-xl:28px;
  --font:'Noto Sans SC',-apple-system,system-ui,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --ease-out:cubic-bezier(0.16,1,0.3,1);
  --nav-height:64px
}

[data-theme=\'light\']{
  --bg-primary:#f0f2f8;
  --bg-secondary:#ffffff;
  --bg-tertiary:#e8ecf4;
  --bg-glass:rgba(255,255,255,0.65);
  --bg-glass-hover:rgba(255,255,255,0.88);
  --text-primary:#1a1a2e;
  --text-secondary:#4a4a6a;
  --text-tertiary:#8a8aa8;
  --border:rgba(0,0,0,0.06);
  --border-light:rgba(255,255,255,0.15);
  --shadow-sm:0 1px 4px rgba(0,0,0,0.04);
  --shadow-md:0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg:0 8px 40px rgba(0,0,0,0.08);
  --shadow-glow:0 4px 24px rgba(108,92,231,0.12)
}

html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font);
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.65;
  transition:background .35s var(--ease-out),color .35s var(--ease-out);
  -webkit-font-smoothing:antialiased
}

/* Particle Canvas */
#particleCanvas{
  position:fixed;top:0;left:0;width:100%;height:100%;
  z-index:0;pointer-events:none;
  background:var(--bg-primary)
}

/* Scrollbar */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:10px}

.container{max-width:1360px;margin:0 auto;padding:0 28px;position:relative;z-index:1}

/* Section Header */
.section-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:20px;padding-bottom:12px;
  border-bottom:2px solid var(--border);position:relative
}
.section-header::after{
  content:'';position:absolute;bottom:-2px;left:0;width:60px;height:2px;
  background:var(--accent-gradient);border-radius:2px
}
.section-title{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700}
.section-icon{
  width:30px;height:30px;display:flex;align-items:center;justify-content:center;
  border-radius:8px;background:var(--accent-gradient);color:#fff;font-size:.85rem;flex-shrink:0
}
.section-link{font-size:.78rem;color:var(--text-tertiary);text-decoration:none}
.section-link:hover{color:var(--accent)}

/* Glass Card */
.glass-card{
  background:var(--bg-glass);
  backdrop-filter:blur(24px) saturate(180%);
  -webkit-backdrop-filter:blur(24px) saturate(180%);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  transition:all .35s var(--ease-out)
}
.glass-card:hover{
  background:var(--bg-glass-hover);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px)
}

/* HEADER */
.site-header{
  position:fixed;top:0;left:0;width:100%;
  height:var(--nav-height);z-index:1000;
  background:var(--bg-glass);
  backdrop-filter:blur(32px) saturate(200%);
  -webkit-backdrop-filter:blur(32px) saturate(200%);
  border-bottom:1px solid var(--border-light);
  transition:box-shadow .3s var(--ease-out)
}
.site-header.scrolled{box-shadow:var(--shadow-md);background:rgba(11,11,26,0.85)}
.header-inner{
  max-width:1360px;margin:0 auto;padding:0 28px;
  height:100%;display:flex;align-items:center;gap:16px
}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-icon{
  width:36px;height:36px;border-radius:10px;
  background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;
  color:#fff;position:relative;overflow:hidden
}
.logo-text{font-size:1.1rem;font-weight:800;letter-spacing:-.02em}
.logo-sub{font-size:.6rem;color:var(--text-tertiary);letter-spacing:.15em;font-weight:600}

/* Navigation */
.main-nav{display:flex;gap:4px;overflow-x:auto;flex:1;justify-content:center}
.nav-item{
  padding:6px 14px;border-radius:20px;border:none;background:transparent;
  color:var(--text-secondary);font-size:.8rem;font-weight:500;
  cursor:pointer;transition:all .25s var(--ease-out);white-space:nowrap;font-family:var(--font)
}
.nav-item:hover{background:rgba(108,92,231,.1);color:var(--accent)}
.nav-item.active{background:var(--accent-gradient);color:#fff;font-weight:600}

/* Search */
.header-search{display:flex;align-items:center;gap:8px;flex-shrink:0}
.header-search svg{color:var(--text-tertiary);flex-shrink:0}
.search-input{
  background:var(--bg-tertiary);border:1px solid var(--border);border-radius:20px;
  padding:6px 14px;width:140px;font-size:.78rem;color:var(--text-primary);
  outline:none;transition:all .25s var(--ease-out);font-family:var(--font)
}
.search-input:focus{width:200px;border-color:var(--accent);box-shadow:0 0 0 3px rgba(108,92,231,.15)}
.theme-toggle{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--border);
  background:var(--bg-glass);color:var(--text-secondary);cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .25s var(--ease-out);flex-shrink:0
}
.theme-toggle:hover{background:rgba(108,92,231,.1);color:var(--accent);border-color:var(--accent)}

/* HERO */
.hero-section{padding-top:calc(var(--nav-height) + 24px);padding-bottom:10px}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 14px;border-radius:20px;font-size:.72rem;font-weight:600;
  background:rgba(0,184,148,.1);color:var(--accent3);margin-bottom:14px
}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--accent3);animation:pulse-dot 2s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.3}}
.hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:14px}
.hero-main{border-radius:var(--radius-xl);overflow:hidden;cursor:pointer;position:relative}
.hero-main-image-wrapper{position:relative;width:100%;height:380px;overflow:hidden}
.hero-main-image{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out)}
.hero-main:hover .hero-main-image{transform:scale(1.05)}
.hero-main-overlay{
  position:absolute;bottom:0;left:0;right:0;
  padding:24px;background:linear-gradient(transparent 0%,rgba(0,0,0,.7) 40%,rgba(0,0,0,.9) 100%)
}
.hero-main-tag{display:inline-block;padding:3px 12px;border-radius:6px;font-size:.7rem;font-weight:600;background:rgba(225,112,85,.2);color:#e17055;margin-bottom:8px}
.hero-main-title{font-size:1.3rem;font-weight:800;color:#fff;line-height:1.3;margin-bottom:6px}
.hero-main-desc{font-size:.82rem;color:rgba(255,255,255,.7);line-height:1.4}
.hero-side{display:flex;flex-direction:column;gap:14px}
.hero-side-item{border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;flex:1;position:relative;min-height:0}
.hero-side-img-wrapper{position:relative;width:100%;height:100%;min-height:180px;overflow:hidden}
.hero-side-image{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out)}
.hero-side-item:hover .hero-side-image{transform:scale(1.05)}
.hero-side-overlay{
  position:absolute;bottom:0;left:0;right:0;
  padding:16px;background:linear-gradient(transparent,rgba(0,0,0,.8))
}
.hero-side-tag{display:inline-block;padding:2px 10px;border-radius:4px;font-size:.65rem;font-weight:600;color:#fff;margin-bottom:4px}
.hero-side-title{font-size:.9rem;font-weight:700;color:#fff;line-height:1.3}

/* Ticker */
.ticker-bar{
  margin-top:14px;padding:10px 16px;display:flex;align-items:center;gap:12px;overflow:hidden
}
.ticker-label{font-size:.72rem;font-weight:700;color:var(--accent2);flex-shrink:0}
.ticker-track{overflow:hidden;flex:1;position:relative;height:20px}
.ticker-items{display:flex;gap:24px;white-space:nowrap;position:absolute;animation:ticker-scroll 30s linear infinite}
.ticker-item{font-size:.75rem;color:var(--text-secondary);text-decoration:none;transition:color .2s}
.ticker-item:hover{color:var(--accent)}
@keyframes ticker-scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* NEWS MASONRY */
.news-masonry{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.news-card{
  border-radius:var(--radius-md);overflow:hidden;cursor:pointer;
  background:var(--bg-glass);backdrop-filter:blur(20px);
  border:1px solid var(--border-light);transition:all .35s var(--ease-out)
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-card-image{width:100%;height:180px;object-fit:cover;background:var(--bg-tertiary)}
.news-card-body{padding:14px 16px}
.news-card-source{font-size:.65rem;font-weight:600;color:var(--accent);text-transform:uppercase}
.news-card-title{
  font-size:.82rem;font-weight:600;line-height:1.4;margin:4px 0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.news-card-title a{color:var(--text-primary);text-decoration:none}
.news-card-title a:hover{color:var(--accent)}
.news-card-desc{font-size:.72rem;color:var(--text-tertiary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:nth-child(1){grid-column:span 2}
.news-card:nth-child(1) .news-card-image{height:280px}

/* RANKING */
.ranking-container{padding:4px;overflow-x:auto}
.ranking-table{width:100%;border-collapse:collapse;font-size:.78rem}
.ranking-table th{
  padding:10px 12px;text-align:left;font-weight:600;color:var(--text-tertiary);
  border-bottom:1px solid var(--border);white-space:nowrap
}
.ranking-table td{padding:10px 12px;border-bottom:1px solid var(--border)}
.ranking-table tr:hover td{background:rgba(108,92,231,.04)}
.rank-number{
  display:inline-flex;width:24px;height:24px;border-radius:6px;
  align-items:center;justify-content:center;font-weight:700;font-size:.75rem;
  background:var(--bg-tertiary);color:var(--text-secondary)
}
.rank-1{background:linear-gradient(135deg,#f6d365,#fda085);color:#fff}
.rank-2{background:linear-gradient(135deg,#a8c0ff,#a29bfe);color:#fff}
.rank-3{background:linear-gradient(135deg,#ffecd2,#fcb69f);color:#fff}
.model-cell{display:flex;align-items:center;gap:8px}
.model-icon{width:22px;height:22px;border-radius:4px}
.score-bar{width:80px;height:6px;background:var(--bg-tertiary);border-radius:3px;overflow:hidden}
.score-bar-fill{height:100%;border-radius:3px;background:var(--accent-gradient);transition:width 1s var(--ease-out)}

/* LLM Grid */
.llm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.llm-card{
  padding:16px;border-radius:var(--radius-md);cursor:pointer;
  background:var(--bg-glass);backdrop-filter:blur(20px);
  border:1px solid var(--border-light);transition:all .3s var(--ease-out);text-align:center
}
.llm-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.llm-card-icon{width:48px;height:48px;border-radius:12px;margin:0 auto 8px;display:flex;align-items:center;justify-content:center;font-size:1.4rem}
.llm-card-name{font-size:.85rem;font-weight:600}
.llm-card-company{font-size:.7rem;color:var(--text-tertiary);margin-bottom:6px}
.llm-card-badge{display:inline-block;padding:1px 8px;border-radius:10px;font-size:.6rem;font-weight:600}
.badge-free{background:rgba(0,184,148,.1);color:var(--accent3)}
.badge-paid{background:rgba(225,112,85,.1);color:#e17055}

/* TOOLS GRID */
.tools-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.tool-card{
  padding:14px 12px;border-radius:var(--radius-md);cursor:pointer;text-decoration:none;
  background:var(--bg-glass);backdrop-filter:blur(20px);
  border:1px solid var(--border-light);transition:all .3s var(--ease-out);text-align:center
}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.tool-card-icon{width:36px;height:36px;border-radius:8px;margin:0 auto 6px;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:.9rem;overflow:hidden}
.tool-card-icon img{width:100%;height:100%;object-fit:contain}
.tool-card-name{font-size:.72rem;font-weight:600}
.tool-card-tag{font-size:.58rem;color:var(--text-tertiary);margin-top:2px}

/* GITHUB GRID */
.github-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.github-card{
  padding:16px;border-radius:var(--radius-md);
  background:var(--bg-glass);backdrop-filter:blur(20px);
  border:1px solid var(--border-light);transition:all .3s var(--ease-out);text-decoration:none;display:block
}
.github-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.github-card-top{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.github-card-avatar{width:24px;height:24px;border-radius:50%}
.github-card-repo{font-size:.75rem;font-weight:600;color:var(--text-primary)}
.github-card-desc{font-size:.7rem;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.github-card-stars{font-size:.65rem;color:var(--text-tertiary);margin-top:4px}

/* AGENTS GRID */
.agents-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.agent-card{
  padding:16px;border-radius:var(--radius-md);text-align:center;
  background:var(--bg-glass);backdrop-filter:blur(20px);
  border:1px solid var(--border-light);transition:all .3s var(--ease-out);text-decoration:none;display:block
}
.agent-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.agent-card-icon{width:40px;height:40px;border-radius:10px;margin:0 auto 8px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;background:var(--bg-tertiary)}
.agent-card-name{font-size:.78rem;font-weight:600;color:var(--text-primary)}
.agent-card-desc{font-size:.65rem;color:var(--text-secondary);margin-top:2px}

/* PEOPLE */
.people-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.person-card{
  padding:16px 10px;border-radius:var(--radius-md);text-align:center;
  background:var(--bg-glass);backdrop-filter:blur(20px);
  border:1px solid var(--border-light);transition:all .3s var(--ease-out)
}
.person-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.person-card-avatar{width:48px;height:48px;border-radius:50%;margin:0 auto 6px;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:1.2rem;overflow:hidden}
.person-card-avatar img{width:100%;height:100%;object-fit:cover}
.person-card-name{font-size:.75rem;font-weight:600}
.person-card-role{font-size:.62rem;color:var(--text-tertiary)}

/* DATA VIZ */
.viz-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.viz-card{padding:20px}
.viz-title{font-size:.9rem;font-weight:600;margin-bottom:12px}
.chart-container{height:200px;display:flex;align-items:flex-end;gap:8px;padding:0 4px}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}
.bar-value{font-size:.65rem;font-weight:600;margin-bottom:2px}
.bar{width:100%;max-width:40px;border-radius:4px 4px 0 0;transition:height 1.2s var(--ease-out)}
.bar-label{font-size:.6rem;color:var(--text-tertiary);margin-top:3px;text-align:center}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat-item{text-align:center;padding:12px}
.stat-number{font-size:1.6rem;font-weight:800;color:var(--accent)}
.stat-label{font-size:.68rem;color:var(--text-tertiary);margin-top:2px}

/* CHAT */
.chat-toggle{
  position:fixed;bottom:28px;right:28px;z-index:999;
  width:52px;height:52px;border-radius:50%;border:none;
  background:var(--accent-gradient);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(108,92,231,.4);transition:all .3s var(--ease-out)
}
.chat-toggle:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(108,92,231,.6)}
.chat-toggle .badge{
  position:absolute;top:-4px;right:-4px;
  width:20px;height:20px;border-radius:50%;background:#e17055;
  font-size:.6rem;font-weight:700;display:flex;align-items:center;justify-content:center;color:#fff
}
.chat-panel{
  position:fixed;bottom:92px;right:28px;z-index:999;
  width:360px;height:500px;border-radius:var(--radius-lg);
  background:var(--bg-secondary);border:1px solid var(--border);
  box-shadow:var(--shadow-lg);display:none;flex-direction:column;overflow:hidden
}
.chat-panel.open{display:flex}
.chat-header{
  padding:14px 16px;font-size:.85rem;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--border);background:var(--bg-glass)
}
.chat-close{background:none;border:none;color:var(--text-tertiary);cursor:pointer;font-size:1rem}
.chat-messages{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:8px}
.msg{
  max-width:85%;padding:10px 14px;border-radius:12px;
  font-size:.78rem;line-height:1.5;animation:msg-in .3s var(--ease-out)
}
.msg-ai{background:var(--bg-tertiary);color:var(--text-primary);align-self:flex-start;border-bottom-left-radius:4px}
.msg-user{background:var(--accent-gradient);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.msg-typing{display:flex;gap:4px;padding:12px 16px}
.msg-typing span{width:6px;height:6px;border-radius:50%;background:var(--text-tertiary);animation:typing 1.4s infinite}
.msg-typing span:nth-child(2){animation-delay:.2s}
.msg-typing span:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{opacity:.3}30%{opacity:1}}
@keyframes msg-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.chat-input-area{display:flex;padding:10px 12px;gap:8px;border-top:1px solid var(--border);background:var(--bg-glass)}
.chat-input{flex:1;border:none;background:var(--bg-tertiary);border-radius:10px;padding:8px 12px;font-size:.78rem;color:var(--text-primary);resize:none;outline:none;font-family:var(--font);max-height:80px}
.chat-send{
  width:36px;height:36px;border-radius:50%;border:none;
  background:var(--accent-gradient);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .2s
}
.chat-send:hover{transform:scale(1.1)}

/* FOOTER */
.site-footer{
  margin-top:40px;padding:40px 0 20px;
  border-top:1px solid var(--border);background:var(--bg-secondary)
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;margin-bottom:24px}
.footer-brand p{font-size:.78rem;color:var(--text-secondary);line-height:1.6;margin-top:8px}
.footer-logo{display:flex;align-items:center;gap:8px}
.footer-brand-name{font-size:1.1rem;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-col-title{font-size:.82rem;font-weight:600;margin-bottom:10px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:6px}
.footer-links a{font-size:.75rem;color:var(--text-secondary);text-decoration:none;transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid var(--border);font-size:.72rem;color:var(--text-tertiary)}

/* Back to Top */
.back-to-top{
  position:fixed;bottom:28px;left:28px;z-index:99;
  width:40px;height:40px;border-radius:50%;border:1px solid var(--border);
  background:var(--bg-glass);backdrop-filter:blur(20px);color:var(--text-secondary);
  cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(20px);
  transition:all .3s var(--ease-out);pointer-events:none
}
.back-to-top.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{background:var(--accent-gradient);color:#fff;border-color:transparent}

/* Shimmer Loading */
.news-loading{display:contents}
.shimmer-card{
  height:200px;border-radius:var(--radius-md);
  background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-glass) 50%,var(--bg-tertiary) 75%);
  background-size:200% 100%;animation:shimmer 1.5s infinite
}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* Section Divider */
.content-section{padding-top:24px;padding-bottom:16px}

/* RESPONSIVE */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .news-masonry{grid-template-columns:1fr 1fr}
  .llm-grid{grid-template-columns:repeat(3,1fr)}
  .tools-grid{grid-template-columns:repeat(4,1fr)}
  .github-grid,.agents-grid{grid-template-columns:repeat(3,1fr)}
  .people-grid{grid-template-columns:repeat(4,1fr)}
  .viz-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .main-nav{display:none}
  .news-masonry{grid-template-columns:1fr}
  .news-card:nth-child(1){grid-column:span 1}
  .llm-grid,.tools-grid,.github-grid,.agents-grid{grid-template-columns:repeat(2,1fr)}
  .people-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .chat-panel{width:calc(100vw - 48px);right:24px}
  .search-input{width:80px}
  .search-input:focus{width:120px}
}
@media(max-width:480px){
  .container{padding:0 16px}
}

/* ===== MONEY / AI赚钱应用 ===== */
.money-intro{font-size:.82rem;color:var(--text-secondary);margin-bottom:14px;line-height:1.5}
.money-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.money-card{
  border-radius:var(--radius-md);padding:0;overflow:hidden;
  background:var(--bg-glass);backdrop-filter:blur(20px);
  border:1px solid var(--border-light);transition:all .35s var(--ease-out);cursor:pointer
}
.money-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.money-card-header{
  padding:14px 16px 8px;display:flex;align-items:center;gap:10px;
  border-bottom:1px solid var(--border)
}
.money-card-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.money-card-title{font-size:.85rem;font-weight:700}
.money-card-diff{font-size:.6rem;padding:1px 6px;border-radius:4px;font-weight:600;margin-left:auto}
.diff-easy{background:rgba(0,184,148,.1);color:var(--accent3)}
.diff-medium{background:rgba(225,200,85,.1);color:#e1c855}
.diff-hard{background:rgba(225,112,85,.1);color:#e17055}
.money-card-body{padding:10px 16px 14px}
.money-card-desc{font-size:.74rem;color:var(--text-secondary);line-height:1.5;margin-bottom:6px}
.money-card-ways{font-size:.68rem;color:var(--text-tertiary);line-height:1.4}
.money-card-ways strong{color:var(--accent);font-weight:600}
.money-card-potential{
  display:inline-block;margin-top:6px;padding:2px 8px;border-radius:4px;
  font-size:.62rem;font-weight:600
}
.potential-high{background:rgba(0,184,148,.1);color:var(--accent3)}
.potential-medium{background:rgba(225,200,85,.1);color:#e1c855}

/* ===== TOOL MODAL ===== */
.modal-overlay{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background:rgba(0,0,0,.5);z-index:2000;
  display:flex;align-items:center;justify-content:center;
  padding:24px;animation:fade-in .2s var(--ease-out)
}
.modal-card{
  background:var(--bg-secondary);border-radius:var(--radius-lg);
  border:1px solid var(--border);box-shadow:var(--shadow-lg);
  max-width:500px;width:100%;max-height:80vh;overflow-y:auto;
  padding:24px;animation:modal-in .25s var(--ease-out)
}
.modal-card h3{font-size:1.1rem;margin-bottom:8px}
.modal-card p{font-size:.82rem;color:var(--text-secondary);line-height:1.6;margin-bottom:6px}
.modal-card .modal-close{
  float:right;background:var(--bg-tertiary);border:none;color:var(--text-secondary);
  width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:.9rem
}
.modal-card .modal-close:hover{background:var(--accent);color:#fff}
.modal-link{
  display:inline-block;padding:8px 16px;border-radius:8px;
  background:var(--accent-gradient);color:#fff;text-decoration:none;
  font-size:.8rem;font-weight:600;margin-top:10px
}
.modal-link:hover{opacity:.9}
@keyframes fade-in{from{opacity:0}to{opacity:1}}
@keyframes modal-in{from{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}

/* Responsive additions */
@media(max-width:1024px){
  .money-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .money-card-header{flex-wrap:wrap}
}