/* Paper monitor — shadcn/zinc token system, light + dark, no build step. */
:root {
  --background: #fafafa;
  --foreground: #09090b;
  --card: #ffffff;
  --card-foreground: #09090b;
  --popover: #ffffff;
  --muted: #f4f4f5;
  --muted-foreground: #71717a;
  --border: #e4e4e7;
  --input: #e4e4e7;
  --primary: #18181b;
  --primary-foreground: #fafafa;
  --secondary: #f4f4f5;
  --accent: #f4f4f5;
  --destructive: #dc2626;
  --success: #15803d;
  --success-bg: #f0fdf4;
  --destructive-bg: #fef2f2;
  --warning: #b45309;
  --warning-bg: #fffbeb;
  --ring: #18181b;
  --radius: 0.625rem;
}
[data-theme="dark"] {
  --background: #09090b;
  --foreground: #fafafa;
  --card: #101013;
  --card-foreground: #fafafa;
  --popover: #101013;
  --muted: #1c1c1f;
  --muted-foreground: #a1a1aa;
  --border: #27272a;
  --input: #27272a;
  --primary: #fafafa;
  --primary-foreground: #18181b;
  --secondary: #1c1c1f;
  --accent: #1c1c1f;
  --success-bg: #052e16;
  --destructive-bg: #450a0a;
  --warning-bg: #451a03;
  --ring: #d4d4d8;
}
* { box-sizing: border-box; border-color: var(--border); }
body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
#app { max-width: 1120px; margin: 0 auto; padding: 20px 16px 40px; }

/* top bar */
.topbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 16px; margin-bottom: 14px;
  background: var(--card); color: var(--card-foreground);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.04);
}
.dot { width: 9px; height: 9px; border-radius: 999px; background: var(--success); box-shadow: 0 0 0 3px var(--success-bg); }
.dot.down { background: var(--destructive); box-shadow: 0 0 0 3px var(--destructive-bg); }
.topbar h1 { font-size: 15px; margin: 0; font-weight: 600; letter-spacing: -0.01em; }
.topbar .bot { color: var(--muted-foreground); font-size: 12px; }
.topbar .spacer { flex: 1; }
.badge {
  display: inline-flex; align-items: center; font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--secondary); text-transform: uppercase; letter-spacing: .04em;
}
.badge.live { background: var(--success-bg); border-color: transparent; color: var(--success); }
.badge.paper { background: var(--warning-bg); border-color: transparent; color: var(--warning); }

/* controls */
button, input, select {
  font: inherit; border: 1px solid var(--input); border-radius: calc(var(--radius) - 2px);
  padding: 7px 12px; background: var(--card); color: var(--foreground);
}
button {
  background: var(--primary); color: var(--primary-foreground); border-color: transparent;
  cursor: pointer; font-weight: 500;
}
button.ghost { background: transparent; color: var(--foreground); border-color: var(--border); }
button.ghost:hover { background: var(--accent); }
button:disabled { opacity: .5; cursor: default; }
button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--ring); outline-offset: 1px;
}

/* cards + stats */
.card {
  background: var(--card); color: var(--card-foreground);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; margin-bottom: 14px;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.04);
}
.card h2 { font-size: 12px; margin: 0 0 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted-foreground); font-weight: 600; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.stat { padding: 12px 14px; border: 1px solid var(--border); border-radius: calc(var(--radius) - 2px); background: var(--background); }
.stat .k { font-size: 11px; color: var(--muted-foreground); font-weight: 500; margin-bottom: 3px; }
.stat .v { font-size: 22px; font-weight: 650; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .s { font-size: 11px; color: var(--muted-foreground); margin-top: 2px; }
.pos { color: var(--success); } .neg { color: var(--destructive); }

/* definition list */
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 4px 20px; margin: 0; }
.kv div { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.kv div:last-child { border-bottom: 0; }
.kv dt { color: var(--muted-foreground); }
.kv dd { margin: 0; font-weight: 550; font-variant-numeric: tabular-nums; }

/* tables */
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted-foreground); font-weight: 500; font-size: 12px; }
tbody tr { transition: background .12s; }
tbody tr:hover { background: var(--muted); }
tr:last-child td { border-bottom: 0; }
td.hit { background: var(--success-bg); font-weight: 600; }
tr.signaled td { background: var(--success-bg); }
.side-long, .side-short { font-weight: 600; font-size: 11px; padding: 2px 8px; border-radius: 999px; }
.side-long { background: var(--success-bg); color: var(--success); }
.side-short { background: var(--destructive-bg); color: var(--destructive); }
.empty { padding: 28px 10px; text-align: center; color: var(--muted-foreground); }
.empty .big { font-size: 15px; font-weight: 600; color: var(--foreground); margin-bottom: 4px; }

/* tabs, filters, misc */
.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tabs button.active { outline: 2px solid var(--ring); outline-offset: 1px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; align-items: center; }
.filters select, .filters input { padding: 6px 9px; font-size: 13px; background: var(--background); }
.filters input { min-width: 170px; }
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--foreground); }
.sumline { margin-top: 10px; font-size: 12px; color: var(--muted-foreground); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted-foreground); }
.foot { color: var(--muted-foreground); font-size: 11px; text-align: right; margin-top: 4px; }
#toast {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: var(--primary-foreground);
  padding: 9px 16px; border-radius: calc(var(--radius) - 2px);
  font-size: 13px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 50;
  box-shadow: 0 4px 12px rgb(0 0 0 / 0.15);
}
#toast.show { opacity: 1; }
.login { max-width: 340px; margin: 12vh auto; }
.login input { width: 100%; margin-bottom: 8px; background: var(--background); }
.login button { width: 100%; }
.logbox { font-family: ui-monospace, SFMono-Regular, monospace; font-size: 11.5px; line-height: 1.65; max-height: 230px; overflow-y: auto; }
.logbox div { padding: 1px 0; border-bottom: 1px dotted var(--border); }
@media (max-width: 640px) { .stat .v { font-size: 18px; } #app { padding: 12px 10px 32px; } }