/* Ark.AI — 온체인 리서치 터미널 · 디자인 시스템 (Perplexity Finance 톤) */
:root{
  --bg:#0a1626; --panel:#0f2036; --panel2:#152a44; --panel3:#1c3350;
  --line:#1d3a5c; --line2:#274a72;
  --tx:#f3f1ec; --tx2:#a2a49f; --tx3:#6f7370;
  /* Global (Western market) palette — institutional indigo/electric accent */
  --teal:#635bff; --teal-d:#533afd;
  --up:#22c55e; --down:#f04452; --warn:#f5b53d; --purple:#a78bfa;
  --r:14px; --r-lg:18px;
  --shadow:0 1px 0 rgba(255,255,255,.02) inset, 0 8px 30px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter','SF Pro Text',-apple-system,'Segoe UI',system-ui,sans-serif;
  background:var(--bg);color:var(--tx);-webkit-font-smoothing:antialiased;
  font-size:14px;line-height:1.5;letter-spacing:-.006em;
}
a{color:inherit;text-decoration:none}
::selection{background:rgba(32,184,205,.3)}
/* scrollbar */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--line2);border-radius:8px;border:2px solid var(--bg)}

/* ---------- Layout ---------- */
.layout{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
@media(max-width:960px){.layout{grid-template-columns:1fr}}
.side{border-right:1px solid var(--line);padding:14px 12px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;letter-spacing:-.02em;padding:6px 8px 16px}
.brand .m{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--teal),#12707e);display:grid;place-items:center;color:#00181c;font-weight:900}
.brand .ai{color:var(--teal)}
.navi{display:flex;flex-direction:column;gap:2px}
.navi a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;color:var(--tx2);font-size:13.5px;font-weight:500}
.navi a:hover{background:var(--panel);color:var(--tx)}
.navi a.on{background:var(--panel2);color:var(--tx);font-weight:700}
.navi .ic{width:18px;text-align:center;opacity:.9}
.side .sec{color:var(--tx3);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:16px 10px 6px}
.side .foot{position:sticky;bottom:0;margin-top:20px;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;gap:9px;color:var(--tx2);font-size:12.5px}
.avatar{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#9a7cf7,#20b8cd)}

/* ---------- Topbar ---------- */
.main{min-width:0}
.top{position:sticky;top:0;z-index:15;display:flex;align-items:center;gap:14px;height:60px;padding:0 22px;border-bottom:1px solid var(--line);background:rgba(14,16,16,.8);backdrop-filter:blur(12px)}
.search{flex:1;max-width:620px;margin:0 auto;position:relative}
.search input{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--tx);border-radius:12px;padding:10px 14px 10px 38px;font-size:13.5px;font-family:inherit;outline:none}
.search input:focus{border-color:var(--teal-d)}
.search .si{position:absolute;left:13px;top:9px;opacity:.6}
.top .tbtn{background:transparent;border:0;color:var(--tx2);font-size:13px;padding:8px 10px;border-radius:9px;cursor:pointer;font-family:inherit;display:flex;gap:6px;align-items:center}
.top .tbtn:hover{color:var(--tx);background:var(--panel)}

/* ---------- Content ---------- */
.content{padding:22px;max-width:1240px;margin:0 auto}
.tabs{display:flex;align-items:center;gap:4px;border-bottom:1px solid var(--line);margin-bottom:20px;overflow:auto}
.tabs a{padding:11px 14px;color:var(--tx2);font-size:14px;font-weight:600;border-bottom:2px solid transparent;white-space:nowrap}
.tabs a:hover{color:var(--tx)}
.tabs a.on{color:var(--tx);border-bottom-color:var(--teal)}
.tabs .sp{flex:1}
.senti{display:flex;flex-direction:column;align-items:flex-end;font-size:12px;color:var(--tx2)}
.senti b{color:var(--warn);font-size:13px}
.bars{display:inline-flex;gap:2px;margin-right:6px;vertical-align:middle}
.bars i{width:3px;height:12px;background:var(--line2);border-radius:2px;display:inline-block}
.bars i.a{background:var(--warn)}

.cols{display:grid;grid-template-columns:1fr 340px;gap:22px}
@media(max-width:1080px){.cols{grid-template-columns:1fr}}
.h{font-size:15px;font-weight:800;letter-spacing:-.01em;margin:0 0 12px;display:flex;align-items:center;gap:8px}
.h .r{margin-left:auto;font-size:12px;color:var(--tx3);font-weight:500}
.muted{color:var(--tx2)} .dim{color:var(--tx3)}
.up{color:var(--up)} .down{color:var(--down)}

/* asset cards */
.assets{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:26px}
@media(max-width:780px){.assets{grid-template-columns:repeat(2,1fr)}}
.acard{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px;position:relative;overflow:hidden;cursor:pointer;transition:.14s}
.acard:hover{border-color:var(--line2);transform:translateY(-1px)}
.acard .nm{font-weight:700;font-size:14px}
.acard .ch{font-size:12.5px;font-weight:700}
.acard .pr{font-size:13px;color:var(--tx2);margin-top:2px}
.acard .spark{position:absolute;left:0;right:0;bottom:0;height:42px;opacity:.9}
.acard .top-row{display:flex;justify-content:space-between;align-items:flex-start}

/* report list (news/AI articles) */
.rlist{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.ritem{padding:16px 18px;border-bottom:1px solid var(--line);cursor:pointer;transition:.12s}
.ritem:last-child{border-bottom:0}
.ritem:hover{background:var(--panel2)}
.ritem .rt{font-weight:700;font-size:15px;letter-spacing:-.01em;display:flex;gap:8px;align-items:flex-start}
.ritem .rt .flag{flex-shrink:0;margin-top:2px}
.ritem .rd{color:var(--tx2);font-size:13px;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rflex{display:flex;gap:14px;align-items:flex-start}
.rmain{flex:1;min-width:0}
.rthumb{width:132px;height:88px;flex-shrink:0;border-radius:10px;background-size:cover;background-position:center;border:1px solid var(--line)}
@media(max-width:560px){.rthumb{display:none}}
.srcline{display:flex;align-items:center;gap:12px;margin-top:10px;flex-wrap:wrap}
.srcchip{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;color:var(--tx2);background:var(--panel3);border:1px solid var(--line);padding:3px 8px;border-radius:999px}
.srcchip .dot{width:6px;height:6px;border-radius:50%}
.tag{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.04em;padding:2px 7px;border-radius:5px;text-transform:uppercase}
.tag.ai{color:var(--teal);border:1px solid rgba(32,184,205,.3);background:rgba(32,184,205,.08)}
.tag.hot{color:var(--down);border:1px solid rgba(229,89,95,.3);background:rgba(229,89,95,.08)}

/* right rail */
.rail .box{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:6px;margin-bottom:18px}
.wl{display:flex;align-items:center;gap:11px;padding:10px 11px;border-radius:10px;cursor:pointer}
.wl:hover{background:var(--panel2)}
.wl .ico{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:12px;color:#06181b}
.wl .nm{font-weight:700;font-size:13.5px;line-height:1.2}
.wl .sub{font-size:11.5px;color:var(--tx3)}
.wl .pr{margin-left:auto;text-align:right;font-size:13px}
.signal{padding:11px 12px;border-bottom:1px solid var(--line);font-size:12.5px}
.signal:last-child{border-bottom:0}
.signal .st{font-weight:700;display:flex;align-items:center;gap:7px}
.signal .sd{color:var(--tx2);margin-top:3px;font-size:12px}
.led{width:7px;height:7px;border-radius:50%;flex-shrink:0}

/* leaderboard table */
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{text-align:right;color:var(--tx3);font-weight:600;font-size:11.5px;padding:8px 10px;border-bottom:1px solid var(--line)}
.tbl th:first-child,.tbl td:first-child{text-align:left}
.tbl td{padding:11px 10px;border-bottom:1px solid var(--line);text-align:right}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:var(--panel2)}
.coin{display:flex;align-items:center;gap:9px}
.coin .ico{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:11px;color:#06181b}

/* ask bar */
.ask{position:sticky;bottom:18px;margin-top:24px;background:var(--panel2);border:1px solid var(--line2);border-radius:16px;padding:12px 14px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow)}
.ask input{flex:1;background:transparent;border:0;color:var(--tx);font-size:14px;outline:none;font-family:inherit}
.ask .go{background:var(--teal);border:0;color:#04181c;font-weight:800;border-radius:10px;padding:8px 14px;cursor:pointer;font-family:inherit}
.chip{font-size:12px;color:var(--tx2);background:var(--panel3);border:1px solid var(--line);padding:6px 10px;border-radius:9px}

/* ---------- Article ---------- */
.art{max-width:820px;margin:0 auto;padding:26px 22px 80px}
.art .back{color:var(--tx2);font-size:13px;display:inline-flex;gap:6px;margin-bottom:18px}
.art h1{font-size:34px;line-height:1.15;letter-spacing:-.025em;margin:.2em 0 .3em}
.art .meta{display:flex;align-items:center;gap:12px;color:var(--tx2);font-size:13px;flex-wrap:wrap;margin-bottom:20px}
.art .hero{width:100%;height:260px;border-radius:16px;background:#12303a center/cover no-repeat;border:1px solid var(--line);margin-bottom:24px;position:relative;overflow:hidden}
.hero-ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,16,16,.15),rgba(14,16,16,.75))}
.art h2{font-size:21px;letter-spacing:-.02em;margin:30px 0 10px}
.art p{font-size:16px;line-height:1.75;color:#dcdad4;margin:12px 0}
.art .cite{color:var(--teal);font-size:12px;vertical-align:super;cursor:pointer;padding:0 1px}
.method{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;margin:26px 0}
.method .mh{font-size:16px;font-weight:800;display:flex;align-items:center;gap:8px;margin-bottom:6px}
.method .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
@media(max-width:720px){.method .steps{grid-template-columns:1fr}}
.step{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:14px}
.step .si{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:17px;margin-bottom:9px}
.step h4{margin:0 0 6px;font-size:14px}
.step ul{margin:8px 0 0;padding-left:16px;color:var(--tx2);font-size:12.5px;line-height:1.6}
.pipe{display:flex;align-items:center;gap:10px;margin:14px 0 2px;flex-wrap:wrap;color:var(--tx2);font-size:12.5px}
.pipe .n{background:var(--panel3);border:1px solid var(--line);padding:5px 10px;border-radius:8px;color:var(--tx)}
.pipe .ar{color:var(--teal)}
.sources{margin:22px 0}
.source{display:flex;gap:12px;padding:12px;border:1px solid var(--line);border-radius:11px;margin-bottom:8px;background:var(--panel)}
.source .num{width:22px;height:22px;border-radius:6px;background:var(--panel3);display:grid;place-items:center;font-size:11px;color:var(--teal);flex-shrink:0;font-weight:700}
.source .stt{font-weight:600;font-size:13.5px}
.source .ssub{color:var(--tx3);font-size:12px}
.kbadge{display:inline-flex;gap:6px;align-items:center;background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:12px;color:var(--tx2)}
.demo-note{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--line2);color:var(--tx2);font-size:12px;padding:8px 14px;border-radius:999px;z-index:30}

/* ================= 모바일 최적화 ================= */
@media(max-width:960px){
  /* 사이드바 → 상단 가로 네비 */
  .side{position:sticky;top:0;height:auto;overflow-x:auto;overflow-y:hidden;
    display:flex;align-items:center;gap:8px;border-right:0;border-bottom:1px solid var(--line);
    padding:9px 12px;z-index:25;background:rgba(14,16,16,.95);backdrop-filter:blur(10px);white-space:nowrap}
  .side::-webkit-scrollbar{display:none}
  .side .brand{padding:0 6px 0 0;font-size:16px;flex-shrink:0}
  .side .brand .m{width:22px;height:22px}
  .side .navi{flex-direction:row;gap:3px}
  .side .navi a{padding:7px 11px;font-size:13px;flex-shrink:0}
  .side .navi .ic{display:none}
  .side .sec,.side .sec + .navi,.side .foot{display:none}

  .top{height:auto;min-height:52px;padding:9px 14px;gap:8px;flex-wrap:wrap}
  .search{max-width:none;order:3;flex-basis:100%;margin:0}
  .top .tbtn{font-size:12px;padding:6px 9px}

  .content{padding:16px 14px}
  .tabs{gap:2px}
  .tabs a{padding:10px 11px;font-size:13px}
  .senti{display:none}

  /* 테이블 가로 스크롤 */
  .rlist{overflow-x:auto}
  .tbl{min-width:560px}
}

@media(max-width:640px){
  .assets{grid-template-columns:repeat(2,1fr);gap:10px}
  .acard{padding:12px}
  .art{padding:20px 16px 90px}
  .art h1{font-size:25px}
  .art p{font-size:15px}
  .art .hero{height:190px}
  .method{padding:16px}
  .method .steps{grid-template-columns:1fr}
  .tk-price{font-size:24px!important}
  .mgrid{grid-template-columns:repeat(2,1fr)!important}
  .ask{flex-wrap:wrap;position:static;margin-top:18px}
  .ask input{flex-basis:100%;order:-1;padding:4px 2px}
  .demo-note{left:12px;right:12px;transform:none;text-align:center;font-size:11px}
  .cols{gap:16px}
}

/* ============ 🇺🇸 EN — 라이트 테마 (흰 배경 + 블루, Stripe/Coinbase 느낌) ============ */
:root{
  --bg:#ffffff; --panel:#f6f9fc; --panel2:#eef3f9; --panel3:#e6edf5;
  --line:#e6ebf1; --line2:#d7dfe9;
  --tx:#0a2540; --tx2:#425466; --tx3:#8792a2;
  --teal:#0a6cff; --teal-d:#0052ff;
  --up:#0e9f6e; --down:#e5484d;
}
body{background:var(--bg);color:var(--tx)}
.top{background:rgba(255,255,255,.85)!important}
.side{background:#fbfcfe}
.brand .m{color:#fff!important;background:linear-gradient(135deg,#0a6cff,#635bff)!important}
.navi a.on{background:#eaf1ff;color:#0a2540}
.tag.ai{color:#0052ff;border-color:rgba(0,82,255,.28);background:rgba(0,82,255,.08)}
.acard,.rlist,.rail .box,.card,.mcell,.tk-chart{box-shadow:0 1px 2px rgba(10,37,64,.05)}
::selection{background:rgba(10,108,255,.18)}
.wl .ico,.coin .ico,.acard .sym,.sym{color:#fff!important}