:root {
  --bg: #f6f7f9; --panel: #ffffff; --panel-2: #f1f3f6; --border: #e3e7ed; --text: #121722; --muted: #657084;
  --accent: #0e9f6e; --accent-2: #0b7c56; --pos: #0e9f6e; --neg: #d93a4a; --warn: #c27c0e; --info: #2f6fde;
  --grid: rgba(18, 23, 34, .07); --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .05);
  --train: #7c8aa5; --valid: #2f6fde; --hold: #0e9f6e;
  --radius: 12px; --font: ui-sans-serif, -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0f16; --panel: #121822; --panel-2: #18202c; --border: #232d3b; --text: #e6ebf2; --muted: #8b97aa;
    --accent: #19c48a; --accent-2: #12a574; --pos: #22c58b; --neg: #ff5c6c; --warn: #f0a32c; --info: #5b93ff;
    --grid: rgba(230, 235, 242, .07); --shadow: none; --train: #8391a8; --valid: #5b93ff; --hold: #22c58b;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b0f16; --panel: #121822; --panel-2: #18202c; --border: #232d3b; --text: #e6ebf2; --muted: #8b97aa;
  --accent: #19c48a; --accent-2: #12a574; --pos: #22c58b; --neg: #ff5c6c; --warn: #f0a32c; --info: #5b93ff;
  --grid: rgba(230, 235, 242, .07); --shadow: none; --train: #8391a8; --valid: #5b93ff; --hold: #22c58b;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 var(--font); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); } .small { font-size: 12px; } .hidden { display: none !important; }
.pos { color: var(--pos); } .neg { color: var(--neg); } .r { text-align: right; }
.row { display: flex; align-items: center; } .gap { gap: 8px; } .wrap { flex-wrap: wrap; } .end { justify-content: flex-end; } .mt { margin-top: 12px; }
h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.01em; } h2 { font-size: 20px; } h3 { font-size: 15px; } h4 { font-size: 13px; margin: 14px 0 6px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 18px; padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 10px; min-width: 210px; }
.brand-name { font-weight: 700; } .brand-sub { font-size: 12px; color: var(--muted); max-width: 260px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tabs { display: flex; gap: 2px; flex: 1; overflow-x: auto; }
.tab { border: 0; background: transparent; color: var(--muted); padding: 8px 12px; border-radius: 8px; font: inherit; font-weight: 550; cursor: pointer; white-space: nowrap; }
.tab:hover { color: var(--text); background: var(--panel-2); } .tab.active { color: var(--text); background: var(--panel-2); box-shadow: inset 0 -2px 0 var(--accent); }
.status-pills { display: flex; align-items: center; gap: 6px; }
.pill { font-size: 11px; font-weight: 700; letter-spacing: .05em; padding: 3px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); background: var(--panel-2); white-space: nowrap; }
.pill.ok { color: var(--pos); border-color: color-mix(in srgb, var(--pos) 40%, transparent); background: color-mix(in srgb, var(--pos) 12%, transparent); }
.pill.live { color: #fff; background: var(--neg); border-color: var(--neg); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); background: color-mix(in srgb, var(--warn) 12%, transparent); }
.clock { font-size: 12px; color: var(--muted); padding: 0 6px; }
.icon-btn { border: 1px solid var(--border); background: var(--panel-2); color: var(--text); border-radius: 8px; width: 30px; height: 28px; cursor: pointer; }

.banner { padding: 10px 20px; font-weight: 600; border-bottom: 1px solid var(--border); }
.banner.warn { background: color-mix(in srgb, var(--warn) 16%, var(--panel)); color: var(--warn); }
.banner.danger { background: color-mix(in srgb, var(--neg) 16%, var(--panel)); color: var(--neg); }
.banner.live { background: color-mix(in srgb, var(--neg) 10%, var(--panel)); color: var(--neg); }

main { max-width: 1480px; margin: 0 auto; padding: 18px 20px 60px; }
.tabpane { display: none; } .tabpane.active { display: block; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; box-shadow: var(--shadow); min-width: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.grid-2 > .card { margin-bottom: 0; } .grid-2 { margin-bottom: 16px; } .grid-2.tight { gap: 24px; margin-bottom: 0; }
.lead { color: var(--muted); max-width: 980px; margin: 4px 0 8px; }

/* controls & buttons */
.controls { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.controls-left, .controls-right { display: flex; gap: 8px; flex-wrap: wrap; }
.btn { border: 1px solid var(--border); background: var(--panel-2); color: var(--text); padding: 8px 14px; border-radius: 9px; font: inherit; font-weight: 600; cursor: pointer; transition: filter .15s, background .15s; }
.btn:hover { filter: brightness(1.06); } .btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: var(--neg); border-color: var(--neg); color: #fff; }
.btn.danger-outline { color: var(--neg); border-color: color-mix(in srgb, var(--neg) 50%, transparent); background: transparent; }
.btn.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 50%, transparent); background: transparent; }
.btn.ghost { background: transparent; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: transparent; color: var(--muted); padding: 5px 10px; font: inherit; font-size: 12px; font-weight: 600; cursor: pointer; }
.seg button.on { background: var(--panel-2); color: var(--text); }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); min-width: 0; }
.kpi-label { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.kpi-value { font-size: 22px; font-weight: 700; margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi-sub { font-size: 12px; color: var(--muted); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* tables */
.table-wrap { overflow: auto; max-height: 380px; } .table-wrap.tall { max-height: 460px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { position: sticky; top: 0; background: var(--panel); text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 650; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl td { padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; font-variant-numeric: tabular-nums; }
.tbl tr:last-child td { border-bottom: 0; } .tbl.compact td { padding: 5px 8px; }
.tbl td.r, .tbl th.r { text-align: right; }
.tag { font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 6px; }
.tag.long { color: var(--pos); background: color-mix(in srgb, var(--pos) 14%, transparent); }
.tag.short { color: var(--neg); background: color-mix(in srgb, var(--neg) 14%, transparent); }
.tag.flat { color: var(--muted); background: var(--panel-2); }
.empty { color: var(--muted); text-align: center; padding: 30px 10px; }

.chart { width: 100%; display: block; }
.legend { display: flex; gap: 12px; font-size: 12px; color: var(--muted); }
.lg::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.lg.train::before { background: var(--train); } .lg.valid::before { background: var(--valid); } .lg.hold::before { background: var(--hold); }

.rules { margin: 0; padding-left: 18px; } .rules li { margin: 4px 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 12px; font-weight: 600; padding: 4px 9px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); }
.chips.selectable .chip { cursor: pointer; user-select: none; } .chips.selectable .chip.on { background: color-mix(in srgb, var(--accent) 16%, transparent); border-color: var(--accent); color: var(--accent); }

.heatmap { overflow-x: auto; }
.heatmap table { border-collapse: separate; border-spacing: 3px; font-size: 12px; }
.heatmap td, .heatmap th { padding: 6px 8px; text-align: center; border-radius: 5px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.heatmap th { color: var(--muted); font-weight: 600; }

/* forms */
form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); font-weight: 600; margin-bottom: 10px; }
input, select { font: inherit; color: var(--text); background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; min-width: 0; }
input:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent); border-color: var(--accent); }
.settings { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.settings .coins-pick, .settings button { grid-column: 1 / -1; } .coins-pick .lbl { font-size: 12px; color: var(--muted); font-weight: 600; margin-bottom: 6px; }
.settings button { margin-top: 10px; justify-self: start; }
.steps { padding-left: 18px; color: var(--muted); } .steps li { margin: 6px 0; } .steps b { color: var(--text); }
.infobox { border: 1px solid var(--border); background: var(--panel-2); border-radius: 10px; padding: 10px 12px; margin: 10px 0; font-size: 13px; }
.danger-zone { border-color: color-mix(in srgb, var(--neg) 30%, var(--border)); }
.disclaimer { font-size: 13px; color: var(--muted); }

.log { font-family: var(--mono); font-size: 12px; max-height: 560px; overflow: auto; }
.log div { padding: 3px 0; border-bottom: 1px dashed var(--border); white-space: pre-wrap; word-break: break-word; }
.log .lvl-error { color: var(--neg); } .log .lvl-warning { color: var(--warn); } .log .lvl-trade { color: var(--info); }

.modal, .login { position: fixed; inset: 0; background: rgba(5, 8, 14, .55); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal-box { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 20px; width: min(520px, 100%); box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.modal-box h3 { margin-bottom: 10px; } .modal-box p { color: var(--muted); }
.modal-box input { width: 100%; margin-top: 8px; }
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast { background: var(--panel); border: 1px solid var(--border); border-left: 4px solid var(--accent); padding: 10px 14px; border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,.2); max-width: 420px; font-size: 13px; }
.toast.err { border-left-color: var(--neg); }

@media (max-width: 1240px) { .topbar { flex-wrap: wrap; row-gap: 8px; } .tabs { order: 3; flex-basis: 100%; } }
@media (max-width: 1100px) { .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); } .grid-2 { grid-template-columns: minmax(0, 1fr); } .grid-2 > .card { margin-bottom: 0; } }
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; padding: 10px 16px; gap: 10px; } .brand { min-width: 0; } .tabs { order: 3; width: 100%; }
  main { padding: 14px 16px 50px; } .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } .settings { grid-template-columns: 1fr; }
  .status-pills .clock { display: none; }
}

.small-btn { padding: 5px 10px; font-size: 12px; }