/* Paper Trading dashboard — shared design tokens and components. Dark by default (OLED-friendly), light follows the OS setting. */
:root{
  color-scheme:dark;
  --bg:#070b14;--surface:#0e1424;--surface-2:#141c30;--line:#222d46;--line-soft:#1a2339;
  --text:#e8edf7;--muted:#8f9bb5;--accent:#5b9dff;--accent-ink:#06101f;--accent-soft:rgba(91,157,255,.14);
  --good:#2ecf8a;--good-soft:rgba(46,207,138,.13);--bad:#ff6b6b;--bad-soft:rgba(255,107,107,.13);--warn:#f5c451;--warn-soft:rgba(245,196,81,.14);
  --shadow:0 1px 0 rgba(255,255,255,.03) inset,0 8px 24px rgba(0,0,0,.35);
  --r:14px;--r-sm:9px;
  --font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:light){:root{
  color-scheme:light;
  --bg:#f2f5fa;--surface:#fff;--surface-2:#f6f8fc;--line:#dde3ee;--line-soft:#e9edf5;
  --text:#0f1a2e;--muted:#566380;--accent:#1f56c4;--accent-ink:#fff;--accent-soft:rgba(31,86,196,.10);
  --good:#0a7d45;--good-soft:rgba(10,125,69,.10);--bad:#c0322b;--bad-soft:rgba(192,50,43,.10);--warn:#8a5a00;--warn-soft:rgba(138,90,0,.12);
  --shadow:0 1px 2px rgba(15,26,46,.05),0 6px 20px rgba(15,26,46,.05);
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 var(--font);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(900px 420px at 85% -10%,var(--accent-soft),transparent 70%)}
.num,td,.kpi .v,.pl,.mini dd{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
svg.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
a{color:var(--accent)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface-2);color:var(--text);font:600 14px var(--font);cursor:pointer;transition:background .15s,border-color .15s,transform .1s}
.btn:hover{border-color:var(--accent);background:var(--accent-soft)}.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{filter:brightness(1.08)}
.btn[disabled]{opacity:.6;cursor:wait}
.btn.spin svg{animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* header */
.theme-sel{min-height:44px;min-width:104px;padding:0 10px;font-weight:600;cursor:pointer}
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top-in{max-width:1240px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:1}
.logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--accent),#7c5cff);display:grid;place-items:center;color:#fff;flex:none}
.brand h1{font-size:16px;line-height:1.2;margin:0;font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:2px 9px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--warn-soft);color:var(--warn);border:1px solid color-mix(in srgb,var(--warn) 35%,transparent)}
.status{color:var(--muted);font-size:12px;display:flex;align-items:center;gap:7px;margin-top:2px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 0 0 var(--good);animation:pulse 2s infinite;flex:none}
.dot.off{background:var(--muted);animation:none;box-shadow:none}
@keyframes pulse{70%{box-shadow:0 0 0 7px transparent}100%{box-shadow:0 0 0 0 transparent}}
.actions{display:flex;gap:8px}
.actions .btn{padding:0 12px}
@media (max-width:560px){.top-in{flex-wrap:wrap}.brand{flex-basis:100%}.actions{width:100%}.theme-sel{flex:1}.actions .btn span{display:none}.actions .btn{width:44px;padding:0}}

main{max-width:1240px;margin:0 auto;padding:18px 16px 72px}

/* KPI cards */
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:18px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;box-shadow:var(--shadow);min-width:0;position:relative;overflow:hidden}
.kpi.hero{grid-column:span 2}
.kpi .l{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.03em;text-transform:uppercase}
.kpi .v{font-size:24px;font-weight:700;margin-top:4px;letter-spacing:-.02em;line-height:1.15}
.kpi.hero .v{font-size:34px}
.kpi .s{font-size:12.5px;color:var(--muted);margin-top:4px}
.kpi .spark{position:absolute;right:0;bottom:0;width:48%;height:70%;opacity:.9;pointer-events:none}
@media (max-width:899px){.kpi:last-child{grid-column:span 2}}
@media (max-width:560px){.hide-sm{display:none}.kpi.hero .v{font-size:30px}}
@media (min-width:900px){.kpis{grid-template-columns:1.6fr 1fr 1fr 1fr}.kpi.hero{grid-column:auto}.kpi .v{font-size:26px}.kpi.hero .v{font-size:36px}}

/* tabs */
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;margin:0 -16px 16px;padding:0 16px;border-bottom:1px solid var(--line)}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;min-height:44px;padding:0 16px;background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);font:600 14px var(--font);cursor:pointer;transition:color .15s,border-color .15s;margin-bottom:-1px}
.tab:hover{color:var(--text)}.tab[aria-selected=true]{color:var(--text);border-bottom-color:var(--accent)}
section.pane{display:none}section.pane.on{display:block;animation:fade .2s ease-out}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:16px;box-shadow:var(--shadow)}
.card>h2,.sec-h{font-size:14px;font-weight:700;margin:0 0 12px;letter-spacing:-.005em;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sec-h{margin:4px 2px 12px}
.note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.55}
.empty{padding:36px 16px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--r-sm);font-size:14px}
.err{color:var(--bad);padding:16px;background:var(--bad-soft);border-radius:var(--r-sm)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:16px}.grid2>.card{margin-bottom:16px}

/* tables */
.wrap{overflow:auto;border-radius:var(--r-sm);-webkit-overflow-scrolling:touch}
table{border-collapse:separate;border-spacing:0;width:100%;font-size:13.5px;white-space:nowrap}
th,td{padding:10px 12px;border-bottom:1px solid var(--line-soft);text-align:right}
th:first-child,td:first-child,.l{text-align:left}
th{color:var(--muted);font-weight:600;font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;position:sticky;top:0;background:var(--surface);z-index:1;border-bottom:1px solid var(--line)}
th.sort{cursor:pointer;user-select:none}th.sort:hover{color:var(--text)}
tbody tr{transition:background .12s}tbody tr:hover td{background:var(--surface-2)}
tbody tr:last-child td{border-bottom:0}
.kv td:last-child{font-weight:600}
.cell{min-width:58px}

/* semantic text + badges (never colour alone: arrows/words included) */
.good{color:var(--good)}.bad{color:var(--bad)}.muted{color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:4px;border-radius:7px;padding:2px 8px;font-size:11.5px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}
.badge svg.i{width:13px;height:13px;stroke-width:2.4}
.badge.long,.badge.target{background:var(--good-soft);color:var(--good);border-color:transparent}
.badge.short,.badge.stop{background:var(--bad-soft);color:var(--bad);border-color:transparent}
.badge.warn{background:var(--warn-soft);color:var(--warn);border-color:transparent}
.badge.info{background:var(--accent-soft);color:var(--accent);border-color:transparent}
.coin{font-weight:700}

/* filters */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;align-items:center}
select,input:not([type]),input[type=search],input[type=text],input[type=password]{min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface-2);color:var(--text);font:14px var(--font)}
select:hover,input:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}
.filters .grow{flex:1;min-width:160px}.filters .tot{margin-left:auto;color:var(--muted);font-size:13px}

/* open-trade cards */
.pos-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,360px),1fr));gap:14px}
.pos{border:1px solid var(--line);border-radius:var(--r);padding:14px;background:var(--surface-2)}
.pos-h{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.pos-h .coin{font-size:17px}
.pos-h .pl{margin-left:auto;text-align:right;font-weight:700;font-size:19px;letter-spacing:-.01em;line-height:1.15}
.pos-h .pl small{display:block;font-size:12px;font-weight:600;opacity:.9}
.range{position:relative;height:8px;border-radius:99px;margin:26px 4px 24px;background:linear-gradient(90deg,var(--bad-soft),var(--surface) 50%,var(--good-soft));border:1px solid var(--line)}
.range .mk{position:absolute;top:50%;transform:translate(-50%,-50%)}
.range .entry{width:2px;height:16px;background:var(--muted);border-radius:2px}
.range .now{width:16px;height:16px;border-radius:50%;background:var(--accent);border:3px solid var(--surface-2);box-shadow:0 0 0 1px var(--accent)}
.range .lab{position:absolute;font-size:11px;font-weight:600;white-space:nowrap}
.range .lab.a{top:-22px}.range .lab.b{top:14px}
.range-ends{display:flex;justify-content:space-between;font-size:11.5px;font-weight:600;margin:-12px 0 12px}
.mini{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 12px;margin:0}
.mini div{min-width:0}.mini dt{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.mini dd{margin:1px 0 0;font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis}

/* chart */
.chart{position:relative;color:var(--muted)}
.chart svg{width:100%;height:auto;display:block;touch-action:pan-y}
.chart .tip{position:absolute;pointer-events:none;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:6px 10px;font-size:12.5px;color:var(--text);box-shadow:var(--shadow);transform:translate(-50%,-110%);white-space:nowrap;display:none}

code{font-family:var(--mono);font-size:.9em;background:var(--surface-2);padding:1px 6px;border-radius:5px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}