:root{
  --purple:#6366f1; --purple-d:#4f46e5; --teal:#0ea5a4;
  --up:#16a34a; --down:#ef4444;
  --bg:#f6f7f9; --card:#ffffff; --text:#0f172a; --muted:#64748b; --line:#eaecef;
  --soft:#f1f3f6;
  --grad:linear-gradient(135deg,#6366f1,#0ea5a4);
  --shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.06);
  --r:16px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--purple);text-decoration:none}
button{font-family:inherit}
.container{max-width:1080px;margin:0 auto;padding:0 18px}

/* ===== Navbar ===== */
.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line)}
.nav-in{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:16px;padding:12px 18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.logo{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--grad);
  color:#fff;font-weight:800;font-size:20px;box-shadow:0 4px 12px rgba(99,102,241,.35)}
.brand small{display:block;font-weight:500;font-size:11px;color:var(--muted)}
.nav-spacer{flex:1}
.rate-pill{display:flex;align-items:center;gap:7px;background:var(--soft);border:1px solid var(--line);
  border-radius:999px;padding:7px 13px;font-size:13px;color:var(--text);cursor:pointer;white-space:nowrap}
.rate-pill b{color:var(--teal)}
.dot{width:8px;height:8px;border-radius:50%;background:#cbd5e1}
.dot.on{background:var(--up);box-shadow:0 0 0 3px rgba(22,163,74,.15)}

/* ===== Subnav (tabs) ===== */
.subnav{position:sticky;top:61px;z-index:25;background:var(--bg);border-bottom:1px solid var(--line);overflow-x:auto}
.subnav-in{max-width:1080px;margin:0 auto;display:flex;gap:6px;padding:8px 14px}
.subnav button{border:none;background:transparent;color:var(--muted);font-weight:600;font-size:14px;
  padding:8px 14px;border-radius:10px;cursor:pointer;white-space:nowrap}
.subnav button.active{background:var(--card);color:var(--text);box-shadow:var(--shadow)}

main{padding:22px 0 60px}
.view{display:none;animation:fade .25s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1}}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  background:var(--grad);color:#fff;font-weight:700;font-size:14px;padding:10px 16px;border-radius:12px;
  box-shadow:0 6px 16px rgba(99,102,241,.25);transition:transform .1s,opacity .15s}
.btn:active{transform:scale(.98)}
.btn.block{width:100%;padding:13px}
.btn.ghost{background:var(--soft);color:var(--text);box-shadow:none;border:1px solid var(--line)}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:10px;box-shadow:none}
.btn.danger{background:#fee2e2;color:#b91c1c;box-shadow:none}

/* ===== Cards ===== */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.muted{color:var(--muted)} .small{font-size:13px} .center{text-align:center}
.row{display:flex;align-items:center;gap:10px}
.between{display:flex;justify-content:space-between;align-items:center;gap:10px}
.h2{font-size:20px;font-weight:800;margin:0 0 2px}
.section-h{display:flex;justify-content:space-between;align-items:center;margin:6px 4px 12px}
.section-h h2{font-size:18px;margin:0}

/* ===== Segmented ===== */
.seg{display:inline-flex;gap:4px;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:4px}
.seg.full{display:flex;width:100%}
.seg button{flex:1;border:none;background:transparent;color:var(--text);font-weight:600;font-size:13px;
  padding:8px 14px;border-radius:9px;cursor:pointer;white-space:nowrap}
.seg button.active{background:var(--grad);color:#fff;box-shadow:0 4px 12px rgba(99,102,241,.25)}

/* ===== Inputs ===== */
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600}
.input,.select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;
  background:#fff;color:var(--text);font-size:15px;outline:none;transition:border .15s,box-shadow .15s}
.input:focus,textarea:focus,.select:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(99,102,241,.12)}
textarea{resize:vertical;min-height:120px;line-height:1.6}
.search{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;font-size:15px;outline:none;box-shadow:var(--shadow)}
.search:focus{border-color:var(--purple)}

/* ===== Coin list ===== */
.list{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.coin-row{display:flex;align-items:center;gap:13px;padding:13px 16px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .12s}
.coin-row:last-child{border-bottom:none}
.coin-row:hover{background:var(--soft)}
.coin-ic{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--grad);
  color:#fff;font-weight:700;font-size:13px;flex-shrink:0;position:relative;overflow:hidden}
.coin-name{font-weight:700}
.coin-sym{font-size:12px;color:var(--muted)}
.coin-px{margin-left:auto;text-align:right;font-variant-numeric:tabular-nums}
.coin-px .p{font-weight:700}
.chg{font-size:12.5px;font-weight:600}
.chg.up{color:var(--up)} .chg.down{color:var(--down)}
.star{margin-left:6px;font-size:18px;color:#d7dbe2;cursor:pointer;line-height:1}
.star.on{color:#f59e0b}
.label{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:18px 4px 8px}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow);transition:transform .12s,box-shadow .12s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(16,24,40,.1)}
.news-cover{aspect-ratio:16/9;width:100%;object-fit:cover;background:var(--grad)}
.news-cover.placeholder{display:grid;place-items:center;color:#fff;font-size:34px}
.news-body{padding:14px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.news-title{font-weight:700;font-size:16px;line-height:1.35}
.news-sum{color:var(--muted);font-size:13.5px;flex:1}
.news-meta{color:var(--muted);font-size:12px;margin-top:4px}

.article{max-width:760px;margin:0 auto}
.article .cover{width:100%;border-radius:var(--r);aspect-ratio:16/8;object-fit:cover;margin-bottom:16px;box-shadow:var(--shadow)}
.article h1{font-size:28px;line-height:1.25;margin:6px 0}
.article .meta{color:var(--muted);font-size:13px;margin-bottom:18px}
.content{font-size:16.5px;line-height:1.75}
.content h2{font-size:21px;margin:22px 0 8px} .content h3{font-size:18px;margin:18px 0 6px}
.content p{margin:0 0 14px} .content img{max-width:100%;border-radius:12px;margin:10px 0}
.content a{text-decoration:underline}

/* Comments */
.comment{display:flex;gap:10px;padding:12px 0;border-top:1px solid var(--line)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;flex-shrink:0}
.comment .c-name{font-weight:700;font-size:14px}
.comment .c-time{color:var(--muted);font-size:12px}
.comment .c-body{margin-top:3px;white-space:pre-wrap;word-break:break-word}

/* ===== Converter / Wallet ===== */
.conv-row{display:flex;align-items:center;gap:8px;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:6px 14px}
.conv-row .input{border:none;background:transparent;padding:10px 0;font-size:19px;font-weight:700;box-shadow:none}
.conv-row .input:focus{box-shadow:none}
.unit{font-weight:700;color:var(--muted)}
.unit-sel{border:none;background:transparent;font-weight:700;color:var(--text);font-size:15px;cursor:pointer;outline:none;padding:6px 2px;text-align:right}
.swap{width:42px;height:42px;margin:10px auto;display:grid;place-items:center;border-radius:50%;background:#fff;
  border:1px solid var(--line);color:var(--purple);font-size:20px;cursor:pointer;box-shadow:var(--shadow)}
.coin-pick{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;width:100%}

.total-card{background:var(--grad);border:none;color:#fff;text-align:center;box-shadow:0 12px 30px rgba(99,102,241,.3)}
.total-card .muted{color:rgba(255,255,255,.85)}
.total{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;margin:6px 0}
.h-row{display:flex;align-items:center;gap:11px;padding:11px 0;border-bottom:1px solid var(--line)}
.h-row:last-child{border-bottom:none}
.del{margin-left:auto;color:var(--down);background:none;border:none;cursor:pointer;font-size:13px}
.empty{color:var(--muted);text-align:center;padding:26px 16px;font-size:14px}
.banner{background:#eef2ff;border:1px solid #e0e7ff;color:#3730a3;border-radius:12px;padding:11px 14px;font-size:13.5px;margin-bottom:14px}

/* ===== Modal ===== */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:60;display:none;align-items:center;justify-content:center;padding:16px}
.modal.open{display:flex}
.sheet{background:var(--card);width:100%;max-width:560px;max-height:92vh;overflow:auto;border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.3);padding:20px}
.sheet.wide{max-width:760px}
.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.sheet-head h3{margin:0;font-size:19px}
.x{border:none;background:var(--soft);width:34px;height:34px;border-radius:50%;font-size:15px;cursor:pointer;color:var(--text)}
.big-price{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;text-align:center}
.sub-price{text-align:center;color:var(--muted);margin:2px 0 12px}
.tv-frame{width:100%;height:360px;border:none;border-radius:12px;background:var(--soft)}

/* Analysis */
.gauge{height:9px;border-radius:999px;background:linear-gradient(90deg,#ef4444,#f59e0b,#facc15,#16a34a);position:relative;margin:10px 0 22px}
.gauge .mk{position:absolute;top:-4px;width:17px;height:17px;border-radius:50%;background:#fff;border:3px solid #333;transform:translateX(-8px);box-shadow:0 1px 4px rgba(0,0,0,.2)}
.gauge .l,.gauge .r{position:absolute;top:14px;font-size:10px;color:var(--muted)} .gauge .l{left:0}.gauge .r{right:0}
.ind-row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-top:1px solid var(--line)}
.badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.skeleton{display:inline-block;width:74px;height:14px;border-radius:5px;background:var(--soft);animation:pulse 1.2s infinite}
@keyframes pulse{50%{opacity:.45}}

.auth-tabs{display:flex;gap:8px;margin-bottom:16px}
.auth-tabs button{flex:1;padding:9px;border:1px solid var(--line);background:var(--soft);border-radius:10px;font-weight:600;cursor:pointer;color:var(--muted)}
.auth-tabs button.active{background:#fff;color:var(--text);border-color:var(--purple)}
.err{color:var(--down);font-size:13px;margin:4px 0}

.acct{display:flex;align-items:center;gap:8px;cursor:pointer;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:5px 6px 5px 12px;font-weight:600;font-size:13px}
.acct .avatar{width:28px;height:28px;font-size:12px}
.menu{position:absolute;right:0;top:46px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;min-width:170px;display:none;z-index:40}
.menu.open{display:block}
.menu button{display:block;width:100%;text-align:left;border:none;background:none;padding:9px 12px;border-radius:8px;cursor:pointer;font-size:14px}
.menu button:hover{background:var(--soft)}
.acct-wrap{position:relative}

.foot{text-align:center;color:var(--muted);font-size:12.5px;padding:24px}
.foot a{margin:0 8px}
@media(max-width:640px){.article h1{font-size:23px}.total{font-size:26px}}