/* GraphEvo Macro — app.css
 * Single stylesheet for index / app / admin. No external fonts or CDNs.
 * Dark quant-dashboard look by default; light scheme via prefers-color-scheme.
 */

:root {
  --bg: #0e1116;
  --panel: #151a21;
  --panel-2: #1b222c;
  --border: #28313d;
  --text: #e7eaef;
  --muted: #8d97a5;
  --accent: #5b9dff;
  --accent-dim: #2c4a75;
  --red: #e5484d;
  --red-bg: #3a1518;
  --green: #3fb68b;
  --amber: #c9a44a;
  --shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
  --radius: 10px;
  --font: "Segoe UI", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: Consolas, ui-monospace, "Cascadia Mono", monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f5f7;
    --panel: #ffffff;
    --panel-2: #eef1f4;
    --border: #d8dee5;
    --text: #1b222c;
    --muted: #5c6673;
    --accent: #2f6fd6;
    --accent-dim: #b9d0f2;
    --red: #cf3236;
    --red-bg: #fbe9ea;
    --shadow: 0 2px 10px rgba(20, 30, 45, 0.08);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.35rem; margin: 0 0 0.4rem; }
h2 { font-size: 1.02rem; margin: 0 0 0.7rem; letter-spacing: 0.01em; }
hr { border: none; border-top: 1px solid var(--border); margin: 1rem 0; }

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 0.55rem 1.1rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text);
  white-space: nowrap;
}
.brand svg { display: block; }
.brand .brand-sub { color: var(--muted); font-weight: 400; }
.topbar nav { display: flex; gap: 0.9rem; align-items: center; }
.topbar .spacer { flex: 1; }
.topbar .user { color: var(--muted); font-size: 0.9rem; }
.navlink { color: var(--muted); padding: 0.2rem 0.45rem; border-radius: 6px; }
.navlink:hover { color: var(--text); text-decoration: none; background: var(--panel-2); }
.navlink.active { color: var(--text); background: var(--panel-2); }

/* ---------- layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 285px 1fr;
  gap: 1rem;
  padding: 1rem;
  max-width: 1420px;
  margin: 0 auto;
}
.single-col {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow);
}

/* ---------- strategy picker ---------- */

.picker ul { list-style: none; margin: 0; padding: 0; }
.picker li { margin: 0 0 0.35rem; }
.strat-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  cursor: pointer;
  font: inherit;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.strat-btn:hover { background: var(--panel-2); }
.strat-btn.active { background: var(--panel-2); border-color: var(--accent-dim); }
.strat-btn .strat-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.strat-btn .strat-sharpe { color: var(--muted); font-size: 0.82rem; font-variant-numeric: tabular-nums; }
.strat-btn.defective { opacity: 0.62; }
.strat-btn.defective .strat-name { text-decoration: line-through solid rgba(229, 72, 77, 0.55) 1px; }

.badge {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.12rem 0.4rem;
  border-radius: 5px;
  white-space: nowrap;
}
.badge-canonical { background: var(--accent-dim); color: var(--text); }
.badge-defective { background: var(--red); color: #fff; }
.badge-custom { background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }

/* ---------- defect banner ---------- */

.defect-banner {
  background: var(--red-bg);
  border: 1px solid var(--red);
  border-left-width: 5px;
  color: var(--text);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  margin-bottom: 1rem;
}
.defect-banner strong { color: var(--red); letter-spacing: 0.04em; }
.defect-banner p { margin: 0.35rem 0 0; }

.note-muted { color: var(--muted); font-size: 0.9rem; }

/* ---------- charts ---------- */

.chart-card { margin-bottom: 1rem; }
.chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.3rem;
}
.chart-head h2 { margin: 0; }
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.86rem;
  cursor: pointer;
  user-select: none;
}
.toggle input { accent-color: var(--accent); }

.gv-chart-body { position: relative; }
.gv-svg { width: 100%; height: auto; display: block; }
.gv-grid { stroke: var(--border); stroke-width: 0.7; }
.gv-grid-v { stroke-opacity: 0.5; }
.gv-zero { stroke: var(--muted); stroke-width: 1; }
.gv-tick { fill: var(--muted); font-size: 11px; font-family: var(--font); }
.gv-cross { stroke: var(--muted); stroke-width: 0.8; stroke-dasharray: 3 3; }
.gv-chart-empty { color: var(--muted); padding: 1.4rem 0; text-align: center; }

.gv-legend { display: flex; gap: 1.1rem; flex-wrap: wrap; padding: 0.15rem 0 0.45rem; }
.gv-legend-item { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--muted); font-size: 0.86rem; }
.gv-legend-item i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }

.gv-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 0.45rem 0.6rem;
  font-size: 0.82rem;
  min-width: 150px;
  z-index: 10;
}
.gv-tip-date { color: var(--muted); margin-bottom: 0.25rem; font-variant-numeric: tabular-nums; }
.gv-tip-row { display: flex; align-items: center; gap: 0.4rem; }
.gv-tip-row i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; flex: none; }
.gv-tip-row span { flex: 1; color: var(--muted); }
.gv-tip-row b { font-variant-numeric: tabular-nums; font-weight: 600; }

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

table {
  border-collapse: collapse;
  width: 100%;
  font-variant-numeric: tabular-nums;
}
th, td {
  text-align: left;
  padding: 0.4rem 0.65rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
th { color: var(--muted); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.03em; }
td.num, th.num { text-align: right; }
tbody tr:hover { background: var(--panel-2); }
td .neg { color: var(--red); }
td .pos { color: var(--green); }
.table-scroll { overflow-x: auto; }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 1100px) { .stats-grid { grid-template-columns: 1fr; } }

/* ---------- forms ---------- */

form .row { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-bottom: 0.7rem; }
label.field { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.84rem; color: var(--muted); }
label.field > span b { color: var(--text); font-weight: 600; }
input[type="text"], input[type="number"], input[type="file"], select, textarea {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 0.42rem 0.55rem;
  font: inherit;
  min-width: 8.5rem;
}
input:focus, select:focus, textarea:focus { outline: 1.5px solid var(--accent); outline-offset: 0; }
input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }
label.check { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.88rem; color: var(--text); cursor: pointer; }

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 7px;
  padding: 0.48rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.1); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: var(--red); }

.status-line { color: var(--muted); font-size: 0.88rem; margin-top: 0.5rem; }
.status-line .ok { color: var(--green); }
.status-line .err { color: var(--red); }
pre.status-json {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  overflow-x: auto;
  margin: 0.5rem 0 0;
  white-space: pre-wrap;
}

/* ---------- sign-in page ---------- */

.signin-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.signin-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 2.4rem 2.6rem;
  text-align: center;
  max-width: 420px;
  width: 100%;
}
.signin-card .brand { justify-content: center; font-size: 1.35rem; margin-bottom: 0.3rem; }
.signin-card .tagline { color: var(--muted); margin: 0 0 1.8rem; }
.ms-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.65rem 1.3rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.ms-btn:hover { border-color: var(--accent); text-decoration: none; }
.signin-foot { color: var(--muted); font-size: 0.8rem; margin-top: 1.7rem; }

/* ---------- toasts ---------- */

#toasts {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 100;
  max-width: 380px;
}
.toast {
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  font-size: 0.88rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  transition: opacity 0.5s ease;
}
.toast-error { border-color: var(--red); background: var(--red-bg); }
.toast-success { border-color: var(--green); }
.toast-out { opacity: 0; }

/* ---------- misc ---------- */

.empty-state { color: var(--muted); padding: 3rem 1rem; text-align: center; }
.results-head { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.results-head h1 { margin: 0; }
.sha-note { color: var(--muted); font-family: var(--mono); font-size: 0.75rem; }
[hidden] { display: none !important; }