/* coincheck design system - SUNSET (v3: glass + glow) */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/inter-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/inter-500.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/inter-600.woff2') format('woff2')}
@font-face{font-family:'Newsreader';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/newsreader-500.woff2') format('woff2')}

:root{
  --bg:#0c0812; --panel:rgba(20,13,30,.55); --panel-2:rgba(26,17,40,.62);
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --ink:#f6f1e7; --dim:#a49bb0; --dim-2:#6b6274; --muted:#6b6274;
  --accent:#ff7a3d; --accent-2:#ff4d7d; --accent-hover:#ff9a5e;
  --accent-soft:rgba(255,122,61,.14);
  --accent-grad:linear-gradient(135deg,#ff7a3d,#ff4d7d);
  --up:#3ddc97; --down:#ff6b6b; --warn:#ffc24b; --gold:#ffc24b; --violet:#8b5cf6;
  --radius-sm:6px; --radius:10px; --radius-lg:14px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 24px 60px -32px rgba(0,0,0,.9);
  --glass:rgba(255,255,255,.035);
  --glass-strong:rgba(20,13,30,.55);
  --sans:'Inter',ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --flag:var(--down); --ok:var(--up); --hot:var(--warn);
  --bg-elev:rgba(20,13,30,.6); --line-strong:rgba(255,255,255,.2);
  --warn-bg:rgba(255,194,75,.08); --up-bg:rgba(61,220,151,.08); --down-bg:rgba(255,107,107,.08);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background:
    radial-gradient(1000px 520px at 50% -8%,rgba(255,122,61,.12),transparent 60%),
    radial-gradient(820px 420px at 82% -2%,rgba(255,77,125,.08),transparent 60%),
    radial-gradient(720px 400px at 16% -2%,rgba(139,92,246,.08),transparent 60%),
    var(--bg);
  background-attachment:fixed;
}
/* animated sunset glow */
body::before{
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(1300px 640px at 50% -10%,rgba(255,122,61,.14),transparent 58%);
  animation:skyGlow 14s ease-in-out infinite;
}
@keyframes skyGlow{0%,100%{opacity:.55;transform:translateY(0)}50%{opacity:1;transform:translateY(-14px)}}
::selection{background:rgba(255,122,61,.32);color:#fff}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500!important;letter-spacing:-.01em}
.mono,.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* glassmorphism */
.glass{
  background:var(--glass);border:1px solid var(--line);border-radius:16px;
  backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);
  box-shadow:0 8px 32px -16px rgba(0,0,0,.5);
  transition:border-color .25s,box-shadow .25s,transform .25s;
}
.glass:hover{
  border-color:rgba(255,122,61,.35);
  box-shadow:0 0 44px -12px rgba(255,122,61,.28),0 12px 40px -18px rgba(0,0,0,.6);
}

.top{position:sticky;top:0;z-index:20;background:rgba(12,8,18,.72);backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);border-bottom:1px solid var(--line)}
.top__in{max-width:1080px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{font-weight:600;letter-spacing:-.02em;font-size:16px;text-decoration:none;display:inline-flex;align-items:center;gap:8px;color:var(--ink)}
.brand img{display:block}
.brand i{font-style:normal;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.top nav{margin-left:auto;display:flex;gap:2px;align-items:center}
.top nav a{text-decoration:none;font-size:13.5px;color:var(--dim);padding:7px 12px;border-radius:var(--radius-sm);border:1px solid transparent;transition:color .15s ease,border-color .15s ease}
.top nav a:hover{color:var(--ink);border-color:var(--line-2)}
.top nav a.cta{color:#fff;background:var(--accent-grad);font-weight:600;border:0}
.top nav a.cta:hover{filter:brightness(1.1)}

nav.unified{display:flex;align-items:center;gap:4px;flex-wrap:wrap;padding:14px 0;margin-bottom:20px;border-bottom:1px solid var(--line)}
nav.unified a{color:var(--dim);text-decoration:none;font-size:13.5px;padding:7px 14px;border-radius:8px;border:1px solid transparent;transition:color .15s,border-color .15s}
nav.unified a:hover{color:var(--ink);border-color:var(--line-2)}
nav.unified a.active{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}

.btn,.btn-primary{background:var(--accent-grad);color:#fff;border:0;font-weight:600;text-decoration:none;cursor:pointer;border-radius:12px;padding:14px 26px;display:inline-flex;align-items:center;gap:8px;box-shadow:0 8px 28px -10px rgba(255,77,125,.55);transition:transform .2s,box-shadow .25s,filter .2s}
.btn:hover,.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.07);box-shadow:0 14px 40px -12px rgba(255,77,125,.7),0 0 40px -10px rgba(255,122,61,.5)}
.btn:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);text-decoration:none;cursor:pointer;border:1px solid var(--line-2);border-radius:12px;padding:13px 22px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:.2s}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);box-shadow:0 0 28px -8px rgba(255,122,61,.35)}

/* premium input */
.input{width:100%;background:var(--glass-strong);color:var(--ink);border:1px solid var(--line-2);border-radius:12px;padding:15px 18px;font-family:var(--mono);font-size:14px;outline:none;backdrop-filter:blur(10px);transition:border-color .2s,box-shadow .2s}
.input::placeholder{color:var(--dim-2)}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,61,.16),0 0 32px -8px rgba(255,122,61,.4)}

.sitefoot{border-top:1px solid var(--line);margin-top:72px;background:var(--panel)}
.sitefoot__in{max-width:1080px;margin:0 auto;padding:32px 20px 40px;display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
.sitefoot__about{max-width:46ch}
.sitefoot__about b{color:var(--ink);font-weight:600}
.sitefoot__about p{color:var(--dim);font-size:12.5px;line-height:1.6;margin:6px 0 0}
.sitefoot nav{display:flex;flex-wrap:wrap;gap:4px 18px;align-content:flex-start}
.sitefoot nav a{color:var(--dim);text-decoration:none;font-size:13px;transition:color .15s ease}
.sitefoot nav a:hover{color:var(--ink)}
.sitefoot__legal{max-width:1080px;margin:0 auto;padding:0 20px 30px;color:var(--dim-2);font-size:11.5px;line-height:1.6;border-top:1px solid var(--line);padding-top:16px}
/* glass on shared cards */
.card,.agent-card,.stat,.box,.kpi,.wlt,.trader-card,.position-card,.wcard,.slab,.pick,.feat,.insight-box,.lessons-box,.howto,.secure,.vault,.rules-box,.closed-card,.topuser{backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4)}