/* TrendToker v3 — TikTok Native Design Language */
:root {
  --primary: #FE2C55;    /* TikTok Red */
  --primary-dark: #E01E4D;
  --bg: #FFFFFF;
  --bg-alt: #F8F8F8;
  --bg-card: #FFFFFF;
  --text: #161823;
  --text-secondary: #8A8B91;
  --text-muted: #C5C6CA;
  --border: #F0F0F0;
  --shadow: 0 2px 8px rgba(0,0,0,.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,.10);
  --radius: 12px;
  --radius-sm: 8px;
  --font: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --nav-height: 60px; --max-width: 1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);color:var(--text);background:#fff;line-height:1.5;font-size:14px;overflow-x:hidden}

/* Navbar — clean white */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-height);background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center}
.navbar.scrolled{box-shadow:0 1px 4px rgba(0,0,0,.04)}
.nav-inner{max-width:var(--max-width);width:100%;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:24px}
.nav-logo{font-size:22px;font-weight:800;color:var(--text);text-decoration:none;letter-spacing:-.5px}
.nav-logo span{color:var(--primary)}
.nav-links{display:flex;gap:2px;flex:1}
.nav-links a{text-decoration:none;color:var(--text-secondary);font-size:13px;font-weight:600;padding:8px 14px;border-radius:8px;transition:.15s}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--bg-alt)}
.nav-right{display:flex;align-items:center;gap:6px;flex-shrink:0}
.nav-util{display:flex;gap:4px}
.nav-util button{border:1px solid var(--border);background:#fff;color:var(--text-secondary);padding:7px 10px;border-radius:8px;font-size:16px;cursor:pointer;font-family:var(--font);transition:.15s;line-height:1}
.nav-util button:hover{background:var(--bg-alt);color:var(--text)}
.lang-btn{border:1px solid var(--border);background:#fff;color:var(--text-secondary);padding:7px 14px;border-radius:20px;font-size:12px;font-weight:600;cursor:pointer;font-family:var(--font);transition:.15s}
.lang-btn:hover{background:var(--text);color:#fff;border-color:var(--text)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.hamburger span{width:20px;height:2px;background:var(--text);border-radius:1px}
.main{margin-top:var(--nav-height)}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* Section */
.sec{padding:40px 0}
.sec-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.sec-hd h2{font-size:20px;font-weight:700;display:flex;align-items:center;gap:8px}
.sec-hd a{font-size:13px;color:var(--text-secondary);text-decoration:none;font-weight:500}
.sec-hd a:hover{color:var(--primary)}

/* Hero — bold gradient */
.hero{background:linear-gradient(135deg,#161823,#2D2D3F);color:#fff;padding:48px 20px;text-align:center}
.hero h1{font-size:clamp(24px,3vw,36px);font-weight:800;margin-bottom:8px;letter-spacing:-.5px}
.hero p{font-size:15px;opacity:.7;margin-bottom:24px}
.hero .badge{display:inline-block;background:var(--primary);padding:6px 16px;border-radius:20px;font-size:12px;font-weight:700;margin-bottom:16px}
.heat{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);padding:12px 24px;border-radius:30px;font-size:14px;font-weight:600}
.heat .bar{width:120px;height:6px;background:rgba(255,255,255,.15);border-radius:3px;overflow:hidden}
.heat .bar-fill{height:100%;background:linear-gradient(90deg,#FE2C55,#FF6B35);border-radius:3px;transition:width .8s ease}

/* Search */
.search-box{margin:0 auto;max-width:520px;position:relative}
.search-box input{width:100%;padding:12px 44px 12px 18px;border:2px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;border-radius:30px;font-size:14px;font-family:var(--font);outline:none;transition:.2s}
.search-box input::placeholder{color:rgba(255,255,255,.4)}
.search-box input:focus{border-color:var(--primary);background:rgba(255,255,255,.15)}
.search-box .s-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:18px;opacity:.6;pointer-events:none}
.search-results{max-width:640px;margin:12px auto 0;display:none}
.search-results.show{display:block}
.sr-item{display:block;text-decoration:none;color:#fff;background:rgba(255,255,255,.08);padding:12px 16px;border-radius:8px;margin-bottom:6px;transition:.15s;text-align:left}
.sr-item:hover{background:rgba(255,255,255,.15)}
.sr-item .sr-t{font-size:13px;font-weight:600;margin-bottom:2px}
.sr-item .sr-m{font-size:11px;opacity:.6}
.sr-empty{padding:16px;text-align:center;font-size:13px;opacity:.5}
.sr-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:700;margin-right:6px;vertical-align:2px}
.sr-badge.cn{background:rgba(254,44,85,.3);color:#fff}
.sr-badge.us{background:rgba(22,24,35,.4);color:#fff}
.sr-badge.eu{background:rgba(0,51,153,.4);color:#fff}

/* Region Cards — 3 column entry */
.region-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px}
@media(max-width:768px){.region-row{grid-template-columns:1fr}}
.region-card{display:block;text-decoration:none;color:inherit;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:.2s;position:relative;overflow:hidden}
.region-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.region-card .flag{font-size:36px;margin-bottom:12px}
.region-card .name{font-size:18px;font-weight:700;margin-bottom:4px}
.region-card .sub{font-size:12px;color:var(--text-secondary);margin-bottom:12px}
.region-card .tags{display:flex;gap:4px;flex-wrap:wrap}
.region-card .tags span{padding:3px 10px;border-radius:12px;font-size:11px;font-weight:600;letter-spacing:.5px}
.tag-hot{background:#FFF0F3;color:#FE2C55}.tag-new{background:#F0FDF4;color:#16A34A}.tag-rising{background:#FFFBEB;color:#D97706}

/* Card grid */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(max-width:768px){.card-grid{grid-template-columns:1fr}}

/* News Card */
.ncard{display:block;text-decoration:none;color:inherit;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.2s}
.ncard:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px)}
.ncard-img{width:100%;height:160px;background:var(--bg-alt);overflow:hidden;position:relative}
.ncard-img img{width:100%;height:100%;object-fit:cover}
.ncard-badge{position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:12px;font-size:10px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}
.b-hot{background:#FE2C55;color:#fff}.b-new{background:#16A34A;color:#fff}.b-rising{background:#F59E0B;color:#fff}.b-trend{background:#161823;color:#fff}
.ncard-body{padding:14px 16px 16px}
.ncard-cat{font-size:11px;color:var(--primary);font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:6px}
.ncard-title{font-size:15px;font-weight:700;line-height:1.35;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard-desc{font-size:12px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard-meta{display:flex;gap:12px;margin-top:10px;font-size:11px;color:var(--text-muted)}

/* Dashboard Cards */
.dash-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0}
@media(max-width:768px){.dash-grid{grid-template-columns:1fr}}
.dcard{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.dcard h3{font-size:14px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.dcard h3 .dot{width:8px;height:8px;border-radius:50%}

/* Cross Region */
.cross-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.cross-box h3{font-size:15px;font-weight:700;margin-bottom:12px}
.cross-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}
.cross-row:last-child{border-bottom:none}

/* Opportunity */
.opp-box{background:var(--bg-card);border:2px solid #16A34A;border-radius:var(--radius);padding:20px;position:relative}
.opp-box h3{font-size:15px;font-weight:700;color:#065F46;margin-bottom:8px}
.opp-box p{font-size:13px;color:var(--text-secondary);line-height:1.6}
.opp-box a{color:#065F46;font-weight:700;font-size:12px;text-decoration:none}
.opp-box a:hover{text-decoration:underline}

/* Alerts */
.alert-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);margin-bottom:6px;font-size:12px}
.alert-item a{flex:1;color:var(--text);text-decoration:none}
.alert-warn{background:#FFF7ED;border:1px solid #FED7AA}
.alert-hot{background:#FFF0F0;border:1px solid #FECACA}
.at-warn{background:#F97316;color:#fff;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:700;white-space:nowrap}
.at-hot{background:#EF4444;color:#fff;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:700;white-space:nowrap}

/* Ranking list (region pages) */
.rank-list{display:flex;flex-direction:column;gap:12px;max-width:var(--max-width);margin:0 auto;padding:24px 20px}
.rank-item{display:flex;gap:16px;align-items:center;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;text-decoration:none;color:inherit;transition:.15s}
.rank-item:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.rank-num{font-size:32px;font-weight:900;line-height:1;min-width:40px;text-align:center}
.rank-num.r1{color:#FE2C55}.rank-num.r2{color:#FF6B35}.rank-num.r3{color:#F59E0B}.rank-num.rx{color:var(--text-muted)}
.rank-body{flex:1;min-width:0}
.rank-badges{display:flex;gap:6px;align-items:center;margin-bottom:6px;flex-wrap:wrap}
.rank-title{font-size:15px;font-weight:700;line-height:1.35;margin-bottom:4px}
.rank-desc{font-size:12px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rank-meta{display:flex;gap:12px;margin-top:8px;font-size:11px;color:var(--text-muted);flex-wrap:wrap}
.rank-chart{width:100px;height:50px;flex-shrink:0}
@media(max-width:600px){.rank-chart{display:none}.rank-item{padding:12px}}

/* Phase badge */
.ph-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:700;letter-spacing:.5px}
.ph-surging{background:#FEE2E2;color:#DC2626}.ph-mature{background:#FEF3C7;color:#D97706}.ph-emerging{background:#D1FAE5;color:#065F46}.ph-declining{background:#F3F4F6;color:#6B7280}

/* Article page */
.apage{padding:32px 0}
.alayout{display:grid;grid-template-columns:1fr 280px;gap:28px}
@media(max-width:900px){.alayout{grid-template-columns:1fr}}
.atitle{font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.25;margin:12px 0}
.ameta{font-size:12px;color:var(--text-secondary);display:flex;gap:12px;margin-bottom:20px}
.abody{font-size:14px;line-height:1.8;color:var(--text)}
.abody h2{font-size:18px;font-weight:700;margin:28px 0 10px}
.abody p{margin-bottom:12px}
.abody .hl{background:var(--bg-alt);border-left:3px solid var(--primary);padding:14px 16px;border-radius:0 8px 8px 0;margin:16px 0;font-size:13px}
.abody .hl.green{border-left-color:#16A34A}
.abody .disc{background:#FFF8E1;border:1px solid #FFE082;padding:12px 16px;border-radius:8px;font-size:12px;color:#92400E;margin:24px 0}

/* Data Panel */
.dpanel{background:var(--bg-alt);border-radius:var(--radius);padding:20px;margin:20px 0}
.dpanel h3{font-size:13px;font-weight:700;margin-bottom:14px}
.dgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
@media(max-width:768px){.dgrid{grid-template-columns:repeat(3,1fr)}}
.dstat{text-align:center;background:#fff;border-radius:8px;padding:12px 8px;border:1px solid var(--border)}
.dstat .val{font-size:16px;font-weight:800;color:var(--text)}
.dstat .lbl{font-size:10px;color:var(--text-secondary);text-transform:uppercase;margin-top:3px;letter-spacing:.5px}

/* Action grid */
.act-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
@media(max-width:600px){.act-grid{grid-template-columns:1fr}}
.act-col{background:var(--bg-alt);border-radius:8px;padding:14px}
.act-col h4{font-size:12px;font-weight:700;margin-bottom:8px}
.act-col ul{list-style:none;font-size:12px;line-height:1.7}
.act-col li::before{content:'✓ ';color:#16A34A;font-weight:700}
.act-col.av li::before{content:'✕ ';color:#EF4444}
.act-col.av{background:#FFF5F5;border:1px solid #FECACA}

/* Chart */
.chart-box{background:var(--bg-alt);border-radius:var(--radius);padding:20px;margin:20px 0}
.chart-box h3{font-size:15px;margin-bottom:12px;font-weight:700}
.chart-box canvas{min-height:320px}

/* Sidebar */
.sidebar{position:sticky;top:calc(var(--nav-height)+20px)}
.sw{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:14px}
.sw h4{font-size:13px;font-weight:700;margin-bottom:10px}
.sw ul{list-style:none}
.sw li{padding:8px 0;border-bottom:1px solid var(--border);font-size:12px}
.sw li:last-child{border-bottom:none}
.sw a{color:var(--text);text-decoration:none;line-height:1.4}
.sw a:hover{color:var(--primary)}

/* Mini rank number */
.mr{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;font-size:10px;font-weight:700;margin-right:6px;flex-shrink:0}
.mr1{background:#FE2C55;color:#fff}.mr2{background:#FF6B35;color:#fff}.mr3{background:#F59E0B;color:#fff}.mro{background:var(--bg-alt);color:var(--text-secondary)}

/* Ad */
.ad{background:var(--bg-alt);border:1px dashed var(--border);border-radius:8px;padding:16px;text-align:center;font-size:11px;color:var(--text-muted);margin:20px 0}
/* Responsive Ad Slots */
.ad-slot{display:flex;justify-content:center;align-items:center;background:#f9fafb;border:1px solid var(--border);border-radius:8px;margin:24px 0;overflow:hidden;min-height:90px}
.ad-slot.top{margin-top:0;border-radius:0 0 8px 8px}
.ad-slot.bottom{margin-bottom:8px}
.ad-slot .ad-label{font-size:10px;color:#c5c6ca;text-transform:uppercase;letter-spacing:1px}
.ad-slot .ad-inner{text-align:center;padding:8px}
.ad-desktop{display:block}.ad-mobile{display:none}
@media(max-width:768px){.ad-desktop{display:none}.ad-mobile{display:block}.ad-slot{min-height:50px;margin:16px 0}}

/* Footer */
.footer{background:var(--bg-alt);padding:24px 0;margin-top:40px;text-align:center}
.footer p{font-size:11px;color:var(--text-muted)}

/* Pagination */
.pager{display:flex;align-items:center;justify-content:center;gap:6px;padding:32px 0 12px}
.pg-btn,.pg-num{padding:8px 14px;border:1px solid var(--border);background:#fff;color:var(--text);border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;font-family:var(--font);transition:.15s}
.pg-btn:hover,.pg-num:hover{background:var(--bg-alt)}
.pg-btn:disabled{opacity:.3;cursor:default;pointer-events:none}
.pg-num.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pg-num.active:hover{background:var(--primary-dark)}
.page{animation:fIn .3s ease-out}

/* Animations */
.fade-in{animation:fIn .4s ease-out}@keyframes fIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* Mobile */
@media(max-width:768px){
  .nav-links{display:none}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-height);left:0;right:0;background:#fff;padding:12px;gap:2px;border-bottom:1px solid var(--border);box-shadow:0 8px 24px rgba(0,0,0,.1)}.hamburger{display:flex}
  .nav-inner{gap:10px;padding:0 12px}
  .nav-util button{padding:7px 8px;font-size:14px}
  .region-row{grid-template-columns:1fr}
  .rank-item{grid-template-columns:24px 1fr}
  .rank-chart{display:none}
  .card-grid{grid-template-columns:1fr}
  .dash-grid{grid-template-columns:1fr}
}