/* ============ METSUMI-CHAN · shared design system (Meteora-styled) ============ */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --bg:#08090c; --bg-elev:#0b0f12; --panel:#0c1114; --panel-2:#10171a; --panel-3:#16211f;
  --line:rgba(174,224,216,.07); --line-2:rgba(174,224,216,.14);
  --text:#e2ecea; --dim:rgba(226,236,234,.58); --mute:rgba(226,236,234,.36);
  --orange:#5fb3a8; --orange-2:#86b8b2; --orange-soft:rgba(95,179,168,.13);
  --orange-grad:linear-gradient(160deg,#3f8c83 0%,#2c5d57 100%);
  --violet:#5f8f9c; --violet-2:#86b0b8; --violet-grad:linear-gradient(100deg,#5f8f9c,#3a6b66);
  --create-grad:linear-gradient(95deg,#86b8b2 0%,#4e8f88 45%,#5f8f9c 100%);
  --up:#4fae8e; --down:#b65563; --gold:#9fb0ad;
  --radius:14px; --radius-lg:20px;
  --display:'Outfit',system-ui,-apple-system,Segoe UI,sans-serif;
  --body:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;
  --shadow:0 18px 50px rgba(0,0,0,.6);
  --hero-grad:radial-gradient(1200px 540px at 50% -8%,#0f2422 0%,#0a1518 34%,#08090c 74%);
}
[data-theme="light"]{
  --bg:#e7ecea; --bg-elev:#f1f5f3; --panel:#f3f7f5; --panel-2:#e9efed; --panel-3:#dfe7e4;
  --line:rgba(20,38,35,.12); --line-2:rgba(20,38,35,.18);
  --text:#10201d; --dim:rgba(16,32,29,.62); --mute:rgba(16,32,29,.42);
  --orange:#2c6b62; --orange-2:#1f4f49; --orange-soft:rgba(44,107,98,.12);
  --orange-grad:linear-gradient(160deg,#3f8079 0%,#2c5d57 100%);
  --violet:#3a6b66; --violet-2:#2c5d57;
  --up:#1f8a63; --down:#a13f4c;
  --shadow:0 16px 40px rgba(20,50,46,.16);
  --hero-grad:radial-gradient(1200px 520px at 50% -10%,#d4e3df 0%,#e0e9e6 38%,#e7ecea 75%);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--body);line-height:1.55;
  min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;
  transition:background .35s ease,color .35s ease}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:transparent;color:inherit}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.02em;line-height:1.05}
::selection{background:rgba(95,179,168,.32)}

/* ---------- top nav ---------- */
.nav{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:22px;
  padding:14px clamp(16px,3.5vw,40px);
  background:color-mix(in srgb,var(--bg) 72%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;cursor:pointer}
.brand img{width:28px;height:28px;border-radius:8px}
.brand b{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-links a{font-family:var(--display);font-weight:500;font-size:14.5px;color:var(--dim);
  padding:8px 13px;border-radius:10px;transition:color .15s,background .15s}
.nav-links a:hover{color:var(--text)}
.nav-links a.on{color:var(--text);background:var(--panel-2)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.search{display:flex;align-items:center;gap:9px;background:var(--panel);border:1px solid var(--line);
  border-radius:11px;padding:9px 13px;min-width:230px;color:var(--mute)}
.search input{flex:1;background:transparent;border:0;outline:none;color:var(--text);
  font-family:var(--body);font-size:13.5px}
.search svg{width:16px;height:16px;opacity:.6;flex:0 0 auto}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:600;
  font-size:14px;padding:10px 18px;border-radius:11px;transition:transform .14s,filter .14s,box-shadow .14s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-orange{background:var(--orange-grad);color:#fff;box-shadow:0 8px 22px rgba(44,93,87,.4)}
.btn-orange:hover{filter:brightness(1.05);box-shadow:0 12px 30px rgba(44,93,87,.5)}
.btn-ghost{background:var(--panel);border:1px solid var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--orange)}
.btn-outline-orange{background:transparent;border:1px solid rgba(251,77,0,.5);color:var(--orange)}
.btn-outline-orange:hover{background:var(--orange-soft)}

/* ---------- theme toggle ---------- */
.theme-toggle{width:40px;height:40px;border-radius:11px;display:inline-flex;align-items:center;
  justify-content:center;border:1px solid var(--line-2);background:var(--panel);color:var(--text);
  transition:transform .15s,border-color .15s}
.theme-toggle:hover{transform:translateY(-1px);border-color:var(--orange)}
.theme-toggle svg{width:19px;height:19px}

/* ---------- generic panel / pill ---------- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg)}
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--display);font-weight:600;
  font-size:11px;letter-spacing:.02em;padding:5px 11px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--dim);background:var(--panel)}
.tag{display:inline-flex;align-items:center;font-size:11px;font-weight:600;padding:3px 9px;
  border-radius:7px;font-family:var(--display)}
.tag.o{color:#ff8a4d;background:rgba(251,77,0,.12)}
.tag.v{color:var(--violet-2);background:rgba(139,92,246,.14)}
.up{color:var(--up)} .down{color:var(--down)}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:26px clamp(16px,4vw,40px);color:var(--mute);
  font-size:13px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.foot a{color:var(--dim)} .foot a:hover{color:var(--orange)}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(18px);z-index:1200;
  background:var(--orange-grad);color:#fff;font-family:var(--display);font-weight:600;font-size:13px;
  padding:11px 18px;border-radius:11px;opacity:0;transition:.25s;pointer-events:none}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- mobile nav ---------- */
.burger{display:none}
@media(max-width:900px){
  .nav-links,.search{display:none}
  .burger{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
    border-radius:11px;border:1px solid var(--line-2);background:var(--panel);font-size:17px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}