/* Dashboard V2 — clean editorial analytical theme. System fonts only (no
   external font requests allowed by this task's scope). One accent color
   (blue) used consistently; green/red/amber stay strictly semantic. */

:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #fafbfc;
  --border: #e6e8ec;
  --border-strong: #d7dae0;
  --text: #12151a;
  --text-dim: #5b6472;
  --text-faint: #8b93a1;
  --blue: #2f6fed;
  --blue-dim: #eef3fe;
  --green: #157a45;
  --green-dim: #eaf7f0;
  --red: #c92a2a;
  --red-dim: #fdeeee;
  --amber: #a3670b;
  --amber-dim: #fdf3e2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
}

/* Dark palette — same token names, values only. Applies when the OS
   prefers dark and the viewer hasn't explicitly chosen light, OR when
   data-theme="dark" is set explicitly (persisted choice wins either way). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #0e1013; --surface: #16191f; --surface-2: #1c2027; --border: #262b33; --border-strong: #333a45; --text: #edf0f3; --text-dim: #a6afbd; --text-faint: #78818f; --blue: #6c95ff; --blue-dim: #1c2a4d; --green: #3ddc84; --green-dim: #10301f; --red: #ff7a7a; --red-dim: #3a1618; --amber: #f2c14e; --amber-dim: #3a2c0d; }
}
:root[data-theme="dark"] { --bg: #0e1013; --surface: #16191f; --surface-2: #1c2027; --border: #262b33; --border-strong: #333a45; --text: #edf0f3; --text-dim: #a6afbd; --text-faint: #78818f; --blue: #6c95ff; --blue-dim: #1c2a4d; --green: #3ddc84; --green-dim: #10301f; --red: #ff7a7a; --red-dim: #3a1618; --amber: #f2c14e; --amber-dim: #3a2c0d; }

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 14px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
button { font-family: inherit; }
table { font-variant-numeric: tabular-nums; }

a { color: var(--blue); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--blue); color: #fff;
  padding: 10px 16px; z-index: 100; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------------------------------------------------------------- shell */

.shell { max-width: 1180px; margin: 0 auto; padding: 0 20px 96px; }

header.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; gap: 16px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand h1 { font-size: 17px; }
.brand .status {
  font-size: 12px; color: var(--text-faint); display: flex; align-items: center; gap: 6px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); flex: none; }
.dot.busy { background: var(--amber); }
.dot.err { background: var(--red); }

.controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.segmented {
  display: inline-flex; border: 1px solid var(--border-strong); border-radius: 8px; overflow: hidden;
  background: var(--surface);
}
.segmented button {
  border: none; background: transparent; padding: 8px 14px; font-size: 13px; font-weight: 600;
  color: var(--text-dim); cursor: pointer; transition: background 0.15s, color 0.15s;
}
.segmented button + button { border-left: 1px solid var(--border-strong); }
.segmented button[aria-pressed="true"] { background: var(--blue); color: #fff; }
.segmented button:hover:not([aria-pressed="true"]) { background: var(--surface-2); color: var(--text); }

select.run-select {
  border: 1px solid var(--border-strong); border-radius: 8px; padding: 7px 10px; font-size: 13px;
  background: var(--surface); color: var(--text); min-width: 0; max-width: 220px;
}

.theme-toggle {
  border: 1px solid var(--border-strong); border-radius: 8px; padding: 7px 12px; font-size: 13px;
  font-weight: 600; background: var(--surface); color: var(--text-dim); cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.theme-toggle:hover { background: var(--surface-2); color: var(--text); }

/* -------------------------------------------------------------- health bar */

.health-bar {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-dim); padding: 10px 0; border-bottom: 1px solid var(--border);
}
.health-bar .sep { color: var(--text-faint); margin: 0 2px; }
.health-bar .dot { margin-right: 2px; }

nav.pages {
  display: flex; gap: 4px; margin: 16px 0; border-bottom: 1px solid var(--border);
}
nav.pages button {
  border: none; background: transparent; padding: 10px 14px; font-size: 13px; font-weight: 600;
  color: var(--text-dim); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}
nav.pages button[aria-current="page"] { color: var(--blue); border-bottom-color: var(--blue); }
nav.pages button:hover:not([aria-current="page"]) { color: var(--text); }

main { padding-top: 4px; }

.section-title {
  font-size: 12px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-faint); margin: 24px 0 10px;
}
section:first-of-type .section-title { margin-top: 4px; }

/* ------------------------------------------------------------- surfaces */

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px;
}
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--surface); padding: 14px 16px; }
.stat-label { font-size: 11px; color: var(--text-faint); margin-bottom: 5px; }
.stat-value { font-size: 19px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.stat-value.pos { color: var(--green); }
.stat-value.neg { color: var(--red); }
.stat-sub { font-size: 11px; color: var(--text-faint); margin-top: 2px; }

@media (max-width: 700px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

/* -------------------------------------------------------------- tables */

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-size: 11px; font-weight: 700; color: var(--text-faint);
  padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
td { padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 13px; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }
tbody tr { cursor: pointer; }
tbody tr:hover td { background: var(--surface-2); }
.ticker { font-weight: 700; }
.pos { color: var(--green); } .neg { color: var(--red); }
.status-tag {
  display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 5px;
  text-transform: uppercase; letter-spacing: 0.02em;
}
.status-tag.open { background: var(--blue-dim); color: var(--blue); }
.status-tag.closed { background: var(--surface-2); color: var(--text-dim); border: 1px solid var(--border); }
.status-tag.filled { background: var(--green-dim); color: var(--green); }
.status-tag.rejected { background: var(--red-dim); color: var(--red); }
.status-tag.pending { background: var(--amber-dim); color: var(--amber); }

/* mobile: wide tables collapse to stacked summary rows with a details toggle */
@media (max-width: 640px) {
  table.responsive thead { display: none; }
  table.responsive, table.responsive tbody, table.responsive tr, table.responsive td { display: block; width: 100%; }
  table.responsive tr { border-bottom: 1px solid var(--border); padding: 10px 14px; }
  table.responsive td { border: none; padding: 2px 0; }
  table.responsive td[data-label]::before {
    content: attr(data-label); display: inline-block; min-width: 92px; color: var(--text-faint); font-size: 11px;
  }
}

/* --------------------------------------------------------------- badges */

.badge {
  display: inline-block; font-size: 11px; font-weight: 600; border: 1px solid var(--border-strong);
  color: var(--text-dim); padding: 3px 8px; border-radius: 999px; margin: 0 6px 6px 0;
}
.conf-meter { display: inline-flex; gap: 2px; vertical-align: middle; }
.conf-dot { width: 12px; height: 4px; background: var(--border-strong); border-radius: 2px; }
.conf-dot.on { background: var(--blue); }

/* -------------------------------------------------------------- states */

.empty, .loading {
  padding: 36px 20px; text-align: center; color: var(--text-faint); font-size: 13px;
}
.error-box {
  padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--red);
  background: var(--red-dim); color: var(--red); font-size: 13px;
}
.warning-box {
  padding: 12px 16px; border-radius: var(--radius); border: 1px solid #f2c94c;
  background: var(--amber-dim); color: var(--amber); font-size: 13px; display: flex; gap: 10px; align-items: flex-start;
}
.stale-banner {
  padding: 8px 14px; border-radius: var(--radius); background: var(--amber-dim); color: var(--amber);
  font-size: 12px; margin-bottom: 14px; border: 1px solid #f2c94c;
}

.skel { position: relative; overflow: hidden; background: var(--surface-2); border-radius: var(--radius); }
.skel::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.04), transparent);
  animation: sweep 1.2s infinite;
}
@keyframes sweep { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
@media (prefers-reduced-motion: reduce) {
  .skel::after { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* ---------------------------------------------------------- detail panel */

.detail-panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; margin-top: 12px;
}
.detail-panel h3 { font-size: 14px; margin-bottom: 10px; }
.evidence-step { border-top: 1px solid var(--border); padding: 10px 0; }
.evidence-step:first-child { border-top: none; padding-top: 0; }
.evidence-step .k { font-size: 11px; color: var(--text-faint); margin-bottom: 3px; }
.evidence-step .v { font-size: 13px; }
.evidence-step .v.muted { color: var(--text-faint); font-style: italic; }
.close-detail {
  border: 1px solid var(--border-strong); background: var(--surface); border-radius: 8px;
  padding: 6px 12px; font-size: 12px; font-weight: 600; color: var(--text-dim); cursor: pointer;
}
.close-detail:hover { background: var(--surface-2); }

/* flex-wrap + min-width:0 on both children: a long free-text value (e.g.
   the benchmark-comparison "not available from Neon..." note, or a long
   trade reasoning string) must wrap onto its own line at narrow widths
   instead of forcing this row -- and the whole page -- wider. Flex items
   default to min-width:auto (their unwrapped content width), which is
   exactly what silently caused page-level horizontal overflow on Runs &
   Evaluation at 320-390px before this fix. */
.kv-list .kv { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; padding: 6px 0; border-top: 1px solid var(--border); font-size: 13px; }
.kv-list .kv:first-child { border-top: none; }
.kv-list .kv .k { color: var(--text-dim); min-width: 0; }
.kv-list .kv .v { font-weight: 700; font-variant-numeric: tabular-nums; min-width: 0; overflow-wrap: break-word; }

.lifecycle { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 14px; }
.lifecycle .step {
  font-size: 11px; font-weight: 700; padding: 5px 10px; border-radius: 999px;
  background: var(--surface-2); color: var(--text-faint); border: 1px solid var(--border);
}
.lifecycle .step.done { background: var(--blue-dim); color: var(--blue); border-color: transparent; }

/* ------------------------------------------------------------------ chart */

.chart-card { padding: 14px 16px; }
.equity-chart { width: 100%; height: 180px; display: block; }
.chart-labels {
  display: flex; justify-content: space-between; font-size: 11px; color: var(--text-faint);
  margin-top: 8px; font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------- strategy grid */

.strategy-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
@media (max-width: 700px) { .strategy-grid { grid-template-columns: repeat(2, 1fr); } }

.safety-line {
  margin-top: 10px; padding: 10px 14px; border-radius: var(--radius); background: var(--surface-2);
  border: 1px solid var(--border); color: var(--text-dim); font-size: 12px;
}

/* ------------------------------------------------------------ tech details */

.tech-details {
  margin-top: 24px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); padding: 12px 16px; color: var(--text-dim);
}
.tech-details summary {
  cursor: pointer; font-size: 12px; font-weight: 700; color: var(--text-faint);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.tech-details[open] summary { margin-bottom: 4px; }
.tech-details .tech-note {
  margin-top: 10px; padding: 10px 12px; border-radius: 8px; background: var(--surface-2);
  font-size: 12px; color: var(--text-dim); white-space: pre-wrap; word-break: break-word;
}

/* --------------------------------------------------------------- footer */

footer.appfoot {
  text-align: center; color: var(--text-faint); font-size: 11px; padding-top: 24px; margin-top: 8px;
}

/* ----------------------------------------------------------- bottom nav */

nav.bottom-nav {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 6px max(10px, env(safe-area-inset-left)) max(6px, env(safe-area-inset-bottom));
  justify-content: space-around;
}
nav.bottom-nav button {
  border: none; background: transparent; color: var(--text-faint); font-size: 11px; font-weight: 600;
  display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 6px 10px;
  min-width: 44px; min-height: 44px; cursor: pointer; border-radius: 8px;
}
nav.bottom-nav button[aria-current="page"] { color: var(--blue); }
nav.bottom-nav .icon { width: 18px; height: 18px; }

@media (max-width: 700px) {
  nav.pages { display: none; }
  nav.bottom-nav { display: flex; }
  .shell { padding-bottom: 84px; }
}