:root {
  --bg: #0b0f14;
  --bg-2: #0f151c;
  --panel: #131a23;
  --panel-2: #182130;
  --border: #1f2a37;
  --border-strong: #2a3a4d;
  --text: #e6edf3;
  --text-dim: #8a97a8;
  --text-mute: #5b6774;
  --green: #00ff9c;
  --green-dim: #009d63;
  --red: #ff3860;
  --red-dim: #a12137;
  --amber: #ffb400;
  --blue: #4ea1ff;
  --purple: #b48cff;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: 'Inter', system-ui, sans-serif; font-size: 14px; }
.mono { font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace; font-variant-numeric: tabular-nums; }

/* ---- Topbar ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--bg-2);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-title { font-weight: 700; font-size: 15px; letter-spacing: 0.2px; }
.brand-sub { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1.2px; margin-top: 2px; }
.status { display: flex; gap: 8px; }
.pill { padding: 6px 10px; border-radius: 999px; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.6px; border: 1px solid var(--border-strong); background: var(--panel); }
.pill-mode.live { color: var(--green); border-color: var(--green-dim); background: rgba(0,255,156,0.06); }
.pill-mode.sample { color: var(--amber); border-color: #7a5b00; background: rgba(255,180,0,0.06); }
.pill-refresh { color: var(--text-dim); }
.pill-refresh.pulse { animation: pulse 1.2s ease-in-out; }
@keyframes pulse { 0%,100%{ background: var(--panel);} 50%{ background: rgba(0,255,156,0.14); color: var(--green);} }

/* ---- Hero ---- */
main { max-width: 1400px; margin: 0 auto; padding: 20px 24px 40px; }
.hero { padding: 18px 20px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 20px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 26px; }
.kv .k { display: block; font-size: 10px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1.4px; margin-bottom: 3px; }
.kv .v { font-size: 14px; font-weight: 500; color: var(--text); }
.hero-note { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); color: var(--text-dim); font-size: 12.5px; }
.hero-note strong { color: var(--amber); font-weight: 600; }

/* ---- Uploader ---- */
.uploader { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 16px; overflow: hidden; }
.uploader-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--bg-2); gap: 12px; flex-wrap: wrap; }
.uploader-active { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--text-dim); }
.uploader-active .a-k { color: var(--text-mute); text-transform: uppercase; letter-spacing: 1px; margin-right: 6px; }
.uploader-active .a-v { color: var(--green); }
.uploader-body { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
@media (max-width: 900px) { .uploader-body { grid-template-columns: 1fr; } }
.dropzone { border-right: 1px solid var(--border); padding: 22px 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; cursor: pointer; transition: background .15s, border-color .15s; min-height: 160px; }
.dropzone.dragover { background: rgba(0,255,156,0.06); }
.dropzone.busy { opacity: 0.6; pointer-events: none; }
.dz-icon { width: 36px; height: 36px; border-radius: 50%; border: 1.5px dashed var(--border-strong); display: flex; align-items: center; justify-content: center; color: var(--text-dim); font-family: 'JetBrains Mono', monospace; font-size: 18px; margin-bottom: 10px; }
.dropzone.dragover .dz-icon { border-color: var(--green); color: var(--green); }
.dz-title { font-size: 13px; color: var(--text); font-weight: 500; margin-bottom: 4px; }
.dz-sub { font-size: 11px; color: var(--text-mute); max-width: 420px; line-height: 1.5; }
.dz-browse { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.dz-status { margin-top: 10px; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--text-dim); min-height: 14px; }
.dz-status.ok { color: var(--green); }
.dz-status.err { color: var(--red); }
.history { padding: 16px 20px; }
.history-head { display: flex; align-items: center; gap: 8px; font-size: 10px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--text-mute); margin-bottom: 10px; }
.history-count { color: var(--text-dim); font-family: 'JetBrains Mono', monospace; }
.history-list { display: flex; flex-direction: column; gap: 4px; max-height: 180px; overflow-y: auto; }
.hitem { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 6px; font-family: 'JetBrains Mono', monospace; font-size: 11.5px; cursor: pointer; transition: border-color .15s; }
.hitem:hover { border-color: var(--border-strong); }
.hitem.active { border-color: var(--green-dim); background: rgba(0,255,156,0.05); }
.hitem .h-when { color: var(--text); flex: 1; }
.hitem .h-rows { color: var(--text-mute); }
.hitem.active .h-active { color: var(--green); font-weight: 600; }

/* ---- Sizer ---- */
.sizer { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 16px; overflow: hidden; }
.sizer-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--bg-2); }
.sizer-title { font-size: 12px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--text-dim); font-weight: 600; }
.sizer-toggle { background: transparent; border: 1px solid var(--border-strong); color: var(--text-dim); font: inherit; font-size: 11px; padding: 4px 10px; border-radius: 4px; cursor: pointer; letter-spacing: 0.5px; text-transform: uppercase; }
.sizer-toggle:hover { color: var(--text); border-color: var(--green-dim); }
.sizer-body { padding: 16px 20px; }
.sizer-body.collapsed { display: none; }
.sizer-inputs { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.sinput { display: flex; flex-direction: column; gap: 6px; }
.sk { font-size: 10px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1.2px; }
.sfield { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border-strong); border-radius: 6px; overflow: hidden; transition: border-color .15s; }
.sfield:focus-within { border-color: var(--green-dim); }
.sprefix, .ssuffix { padding: 0 10px; font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--text-mute); }
.sfield input, .sfield select { flex: 1; background: transparent; border: none; color: var(--text); font-family: 'JetBrains Mono', monospace; font-size: 14px; padding: 8px 10px; outline: none; width: 100%; }
.sfield input { -moz-appearance: textfield; }
.sfield input::-webkit-outer-spin-button, .sfield input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.sfield select { padding-right: 10px; cursor: pointer; }
.sizer-summary { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-dim); display: flex; flex-wrap: wrap; gap: 20px; }
.sizer-summary .sblock { display: flex; flex-direction: column; gap: 2px; }
.sizer-summary .sv { color: var(--green); font-size: 15px; font-weight: 600; }
.sizer-summary .sv.warn { color: var(--amber); }

/* ---- Sizing block inside a card ---- */
.sizing { margin-top: 12px; padding: 10px 12px; background: rgba(0,255,156,0.04); border: 1px dashed rgba(0,255,156,0.25); border-radius: 6px; font-family: 'JetBrains Mono', monospace; font-size: 12px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.sizing.blocked { background: rgba(255,56,96,0.05); border-color: rgba(255,56,96,0.3); }
.sizing .z-k { font-size: 9.5px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1px; }
.sizing .z-v { color: var(--text); font-weight: 600; font-size: 13px; }
.sizing.blocked .z-v.qty { color: var(--red); }
.sizing.ok .z-v.qty { color: var(--green); }

/* ---- Tabs ---- */
.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tab { background: transparent; border: none; color: var(--text-dim); padding: 10px 16px; font: inherit; font-size: 13px; font-weight: 500; cursor: pointer; border-bottom: 2px solid transparent; transition: color .15s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--green); border-bottom-color: var(--green); }

/* ---- Panel ---- */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.panel.hidden { display: none; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 16px; flex-wrap: wrap; }
.panel-head h2 { margin: 0; font-size: 15px; font-weight: 600; letter-spacing: 0.2px; }
.panel-actions { display: flex; gap: 16px; align-items: center; }
.checkbox { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.checkbox input { accent-color: var(--green); }

/* ---- Cards ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; }
.card { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 16px; position: relative; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--border-strong); }
.card .rank { position: absolute; top: 14px; right: 14px; font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--text-mute); }
.card-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.card-sym { font-family: 'JetBrains Mono', monospace; font-size: 20px; font-weight: 700; letter-spacing: 0.5px; color: var(--text); }
.card-last { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--text-dim); }
.card-name { font-size: 11px; color: var(--text-mute); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.6px; }
.card-legs { background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; margin-bottom: 12px; font-family: 'JetBrains Mono', monospace; font-size: 12.5px; }
.leg-line { display: flex; justify-content: space-between; padding: 3px 0; }
.leg-line.buy { color: var(--red); }
.leg-line.sell { color: var(--green); }
.card-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.metric { padding: 8px; background: rgba(255,255,255,0.02); border-radius: 6px; text-align: center; }
.metric .m-k { font-size: 9.5px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.metric .m-v { font-family: 'JetBrains Mono', monospace; font-size: 14px; font-weight: 600; color: var(--text); }
.metric.roc .m-v { color: var(--green); }
.card-tags { margin-top: 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: 10px; padding: 3px 8px; border-radius: 4px; letter-spacing: 0.5px; text-transform: uppercase; font-weight: 600; background: rgba(78,161,255,0.1); color: var(--blue); border: 1px solid rgba(78,161,255,0.25); }
.tag.warn { background: rgba(255,180,0,0.1); color: var(--amber); border-color: rgba(255,180,0,0.3); }
.tag.good { background: rgba(0,255,156,0.08); color: var(--green); border-color: rgba(0,255,156,0.25); }
.tag.dim { background: rgba(255,255,255,0.03); color: var(--text-mute); border-color: var(--border); }

/* ---- Table ---- */
.tablewrap { overflow-x: auto; }
.datatable { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.datatable th, .datatable td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.datatable th { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-mute); font-weight: 500; }
.datatable td.right, .datatable th.right { text-align: right; font-family: 'JetBrains Mono', monospace; }
.datatable tbody tr:hover { background: rgba(255,255,255,0.02); }
.stars { color: var(--amber); letter-spacing: 2px; font-size: 11px; }
.earn-flag { display: inline-block; padding: 2px 6px; border-radius: 3px; font-size: 10px; font-family: 'JetBrains Mono', monospace; }
.earn-flag.safe { background: rgba(0,255,156,0.08); color: var(--green); }
.earn-flag.risk { background: rgba(255,56,96,0.1); color: var(--red); }

/* ---- Footnote ---- */
.footnote { margin-top: 24px; padding: 16px 20px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; font-size: 12px; color: var(--text-dim); line-height: 1.6; }
.footnote strong { color: var(--text); }

/* ---- Skeleton ---- */
.skeleton { padding: 40px; text-align: center; color: var(--text-mute); font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 1px; }

@media (max-width: 640px) {
  main { padding: 14px; }
  .hero-meta { gap: 14px; }
  .brand-sub { display: none; }
  .cards { grid-template-columns: 1fr; }
}