/* ═══════════════════ AlphaQuant — design system ═══════════════════
   Identity: "quant terminal" — charcoal base, emerald/mint accent, gold
   for premium highlights, monospace numerals. Deliberately distinct from
   CryptoMax (navy + indigo/violet/cyan glass sidebar). */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --bg:#080a0e; --bg-2:#0b0e13; --panel:#111620; --panel-2:#151b26; --elev:#1a2130;
  --line:rgba(255,255,255,.07); --line-2:rgba(255,255,255,.13);
  --text:#e8edf4; --muted:#8a96a8; --dim:#5a6474;
  --accent:#16e29a; --accent-2:#0bc98a; --accent-ink:#03130d;
  --gold:#f5c542; --gold-dim:rgba(245,197,66,.14);
  --up:#16e29a; --down:#ff5d6c; --danger:#ff5d6c; --warn:#ffb020;
  --grad:linear-gradient(135deg,#16e29a 0%,#10d8b4 55%,#25e0c8 100%);
  --grad-gold:linear-gradient(135deg,#f5c542,#f0a93a);
  --glow:0 0 0 1px rgba(22,226,154,.35),0 10px 34px -6px rgba(22,226,154,.28);
  --shadow:0 12px 40px -12px rgba(0,0,0,.55);
  --radius:18px; --radius-sm:11px; --radius-xs:8px;
  --font:'Space Grotesk','Inter',system-ui,sans-serif;
  --ui:'Inter',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ui);background:var(--bg);color:var(--text);
  min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1200px 600px at 85% -10%,rgba(22,226,154,.07),transparent 60%),
                   radial-gradient(900px 500px at -10% 110%,rgba(37,224,200,.05),transparent 55%);
  background-attachment:fixed;}
h1,h2,h3,h4{font-family:var(--font);font-weight:600;margin:0;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)} .dim{color:var(--dim)}
.up{color:var(--up)} .down{color:var(--down)} .gold{color:var(--gold)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hide{display:none!important}

/* ── brand mark ── */
.brand{display:inline-flex;align-items:center;gap:11px;font-family:var(--font);font-weight:700}
.brand-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad);color:var(--accent-ink);font-weight:700;font-size:20px;font-family:var(--font);
  box-shadow:var(--glow);flex-shrink:0}
.brand-name{font-size:18px;letter-spacing:-.02em;line-height:1}
.brand-name b{color:var(--accent)}
.brand-sub{font-size:8.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--muted);margin-top:2px}

/* ── cards / panels ── */
.card,.panel{background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,0)),var(--panel);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card{padding:20px}
.card-hd{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}
.card-title{font-size:14px;font-weight:600;display:flex;align-items:center;gap:9px}
.card-title .ic{width:26px;height:26px;border-radius:8px;background:rgba(22,226,154,.12);
  display:grid;place-items:center;color:var(--accent);flex-shrink:0}
.sub{color:var(--muted);font-size:12.5px}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  border:1px solid transparent;border-radius:var(--radius-sm);padding:10px 16px;font-size:13.5px;
  font-weight:600;font-family:var(--ui);transition:.15s;white-space:nowrap;line-height:1;user-select:none}
.btn:active{transform:translateY(1px)}
.btn-p{background:var(--grad);color:var(--accent-ink);box-shadow:0 6px 20px -6px rgba(22,226,154,.5)}
.btn-p:hover{filter:brightness(1.06)}
.btn-g{background:rgba(255,255,255,.04);border-color:var(--line-2);color:var(--text)}
.btn-g:hover{background:rgba(255,255,255,.08)}
.btn-d{background:rgba(255,93,108,.1);border-color:rgba(255,93,108,.28);color:#ff8a95}
.btn-d:hover{background:rgba(255,93,108,.18)}
.btn-gold{background:var(--grad-gold);color:#231a02}
.btn-sm{padding:7px 12px;font-size:12.5px;border-radius:var(--radius-xs)}
.btn-lg{padding:14px 22px;font-size:15px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ── inputs ── */
label.fld{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:0 0 7px}
input,select,textarea{width:100%;padding:11px 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line-2);background:#0a0e15;color:var(--text);font-size:13.5px;
  font-family:var(--ui);outline:none;transition:.15s}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(22,226,154,.14)}
input::placeholder{color:var(--dim)}
.input-mono{font-family:var(--mono)}
.field{margin-bottom:15px}

/* ── badges / chips ── */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:99px;
  font-size:11px;font-weight:600;font-family:var(--ui);letter-spacing:.01em}
.b-ok{background:rgba(22,226,154,.13);color:var(--accent)}
.b-warn{background:rgba(255,176,32,.14);color:var(--warn)}
.b-err{background:rgba(255,93,108,.13);color:#ff8a95}
.b-gold{background:var(--gold-dim);color:var(--gold)}
.b-off{background:rgba(255,255,255,.06);color:var(--muted)}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}

/* ── toggle switch ── */
.sw{position:relative;display:inline-block;width:40px;height:23px;flex-shrink:0;cursor:pointer}
.sw input{opacity:0;width:0;height:0;position:absolute}
.sw .track{position:absolute;inset:0;background:rgba(255,255,255,.1);border-radius:99px;transition:.2s;border:1px solid var(--line-2)}
.sw .thumb{position:absolute;height:17px;width:17px;left:3px;top:2px;background:#c3ccd8;border-radius:50%;transition:.2s}
.sw input:checked+.track{background:rgba(22,226,154,.28);border-color:rgba(22,226,154,.5)}
.sw input:checked+.track .thumb,.sw input:checked~.thumb{transform:translateX(17px);background:var(--accent)}

/* ── kpi ── */
.kpi-val{font-family:var(--mono);font-size:26px;font-weight:600;line-height:1;letter-spacing:-.03em}
.kpi-label{font-size:11.5px;color:var(--muted);margin-top:7px;font-weight:500}

/* ── tables ── */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;
  color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:12px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:middle}
.tbl tbody tr:hover{background:rgba(255,255,255,.02)}
.tbl-wrap{overflow-x:auto;border-radius:var(--radius-sm)}

/* ── toast ── */
#toasts{position:fixed;right:18px;bottom:18px;z-index:200;display:flex;flex-direction:column;gap:10px;max-width:min(90vw,360px)}
.toast{background:var(--elev);border:1px solid var(--line-2);border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);padding:13px 15px;box-shadow:var(--shadow);font-size:13px;
  display:flex;gap:10px;align-items:flex-start;animation:tin .25s ease}
.toast.err{border-left-color:var(--danger)} .toast.warn{border-left-color:var(--warn)}
.toast .t-ic{flex-shrink:0;margin-top:1px}
@keyframes tin{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* ── skeleton ── */
.sk{background:linear-gradient(90deg,rgba(255,255,255,.04),rgba(255,255,255,.09),rgba(255,255,255,.04));
  background-size:200% 100%;animation:shim 1.3s infinite;border-radius:8px}
@keyframes shim{to{background-position:-200% 0}}

/* ── modal ── */
.modal-bg{position:fixed;inset:0;background:rgba(4,6,10,.7);backdrop-filter:blur(6px);z-index:150;
  display:none;align-items:center;justify-content:center;padding:18px}
.modal-bg.open{display:flex;animation:fade .2s}
.modal{background:var(--panel-2);border:1px solid var(--line-2);border-radius:var(--radius);
  width:100%;max-width:480px;box-shadow:var(--shadow);animation:pop .22s}
.modal-hd{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.modal-bd{padding:20px}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:none}}

/* language switch */
.lang-sw{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:99px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.03);color:var(--dim);font-size:12px;font-weight:700;cursor:pointer;font-family:var(--ui);transition:.15s;letter-spacing:.02em}
.lang-sw:hover{border-color:rgba(22,226,154,.4)}
.lang-sw .on{color:var(--accent)}
.lang-sw .sep{opacity:.35;font-weight:400}

.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g2,.g3,.g4{grid-template-columns:1fr}}
.row{display:flex;gap:12px;align-items:center}
.between{justify-content:space-between}
.wrap{flex-wrap:wrap}
.spin{width:16px;height:16px;border:2px solid rgba(255,255,255,.2);border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:99px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2);background-clip:padding-box}