:root {
  --bg: #f5f7fb; --card: #ffffff; --card2: #eef1f7; --fg: #111827; --muted: #5b6474; --line: #e3e7ef;
  --brand: #2e5bff; --brand-ink: #ffffff; --buy: #1b8e3e; --sell: #c62828; --warn: #b26a00;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0d1117; --card: #161c26; --card2: #1d2532; --fg: #e8ecf3; --muted: #9aa4b5; --line: #263041;
          --brand: #6d8cff; --buy: #3fbf6a; --sell: #ff6b6b; --warn: #e0a030; }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body { font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
       padding: env(safe-area-inset-top) 0 calc(64px + env(safe-area-inset-bottom)); }
#app { max-width: 720px; margin: 0 auto; padding: 12px 16px 24px; }
h1 { font-size: 22px; margin: 6px 0 4px; }
h2 { font-size: 17px; margin: 18px 0 8px; }
h3 { font-size: 15px; margin: 0; }
a { color: var(--brand); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.tiny { font-size: 12px; }
.center { text-align: center; padding: 40px 0; }
.hidden { display: none !important; }
.row { display: flex; align-items: center; gap: 8px; }
.row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.wrap { flex-wrap: wrap; }
.stack > * + * { margin-top: 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.card.alt { background: var(--card2); }
.card + .card { margin-top: 10px; }
.cards > .card { margin-top: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; border-radius: 10px;
       padding: 11px 16px; font: inherit; font-weight: 600; background: var(--brand); color: var(--brand-ink); cursor: pointer; }
.btn.block { width: 100%; }
.btn.ghost { background: transparent; color: var(--brand); padding: 8px 10px; }
.btn.outline { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.btn.danger { background: transparent; color: var(--sell); border: 1px solid var(--line); }
.btn:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; color: var(--fg); background: var(--card); border: 1px solid var(--line);
                          border-radius: 10px; padding: 10px 12px; width: 100%; }
label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; }
.chips { display: flex; gap: 6px; overflow-x: auto; padding: 2px 0 6px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; border: 1px solid var(--line); background: var(--card); color: var(--fg); border-radius: 999px;
        padding: 6px 12px; font: inherit; font-size: 13px; cursor: pointer; white-space: nowrap; }
.chip.on { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.chip:disabled { opacity: .45; }
.badge { display: inline-block; color: #fff; font-weight: 700; font-size: 12px; border-radius: 6px; padding: 2px 8px; }
.buy { background: var(--buy); } .sell { background: var(--sell); }
.t-buy { color: var(--buy); } .t-sell { color: var(--sell); } .t-warn { color: var(--warn); } .t-brand { color: var(--brand); }
.levels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 8px; }
.levels div span { display: block; font-size: 11px; color: var(--muted); }
.levels div b { font-size: 14px; }
.fit { color: #fff; font-weight: 700; border-radius: 8px; padding: 4px 10px; font-size: 13px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--muted); }
.dot.ok { background: var(--buy); }
.list > * + * { border-top: 1px solid var(--line); }
.list > * { padding: 10px 0; }
.progress { height: 4px; background: var(--card2); border-radius: 4px; overflow: hidden; margin: 8px 0; }
.progress > div { height: 100%; background: var(--brand); transition: width .3s; }
.progress.indeterminate > div { width: 40% !important; animation: slide 1.2s infinite ease-in-out; }
@keyframes slide { 0% { margin-left: -40%; } 100% { margin-left: 100%; } }
.chart { height: 340px; position: relative; margin-top: 8px; }
.tabs2 { display: flex; border-bottom: 1px solid var(--line); margin: 0 -16px 12px; }
.tabs2 button { flex: 1; background: none; border: 0; padding: 12px; font: inherit; font-weight: 600; color: var(--muted);
                border-bottom: 2px solid transparent; cursor: pointer; }
.tabs2 button.on { color: var(--brand); border-color: var(--brand); }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; text-align: center; }
.metrics b { display: block; font-size: 17px; }
.metrics span { font-size: 11px; color: var(--muted); }
.cond { background: var(--card2); border-radius: 12px; padding: 10px; margin-top: 8px; }
.cond .row > * { min-width: 0; }
.cond input.num { width: 84px; }
.back { display: inline-flex; align-items: center; gap: 6px; color: var(--brand); text-decoration: none; margin-bottom: 6px; }
.banner { background: var(--card2); border-left: 4px solid var(--brand); border-radius: 10px; padding: 12px; }
nav#tabs { position: fixed; left: 0; right: 0; bottom: 0; display: flex; background: var(--card); border-top: 1px solid var(--line);
           padding-bottom: env(safe-area-inset-bottom); z-index: 5; }
nav#tabs a { flex: 1; text-align: center; padding: 8px 0 6px; font-size: 11px; color: var(--muted); text-decoration: none; }
nav#tabs a span { display: block; font-size: 19px; line-height: 1.2; }
nav#tabs a.on { color: var(--brand); font-weight: 600; }
#toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(76px + env(safe-area-inset-bottom));
         background: var(--fg); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px; max-width: 90vw;
         opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 10; }
#toast.show { opacity: 1; }
dialog { border: 0; border-radius: 16px; background: var(--card); color: var(--fg); max-width: 420px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }