/* ── Theme ─────────────────────────────────────────────────── */
:root {
  --bg:         #0d0f14;
  --bg-card:    #161922;
  --bg-card2:   #1d212b;
  --fg:         #e6e8ec;
  --fg-dim:     #8a8f9b;
  --accent:     #4f8cff;
  --ok:         #26a69a;
  --warn:       #ffb74d;
  --crit:       #ef5350;
  --border:     #262a35;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ── Topbar ────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 10px 24px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  /* Sticky main nav — always visible */
  position: sticky; top: 0; z-index: 100;
}
.topbar .brand { font-weight: 600; font-size: 16px; color: var(--fg); text-decoration: none; }
.topbar a {
  color: var(--fg-dim); text-decoration: none;
  padding: 6px 12px; border-radius: 6px;
}
.topbar a:hover           { color: var(--fg); background: var(--bg-card2); }
.topbar a.active          { color: var(--fg); background: var(--bg-card2); }
.topbar .spacer           { flex: 1; }
.topbar .user             { color: var(--fg-dim); font-size: 13px; }
.topbar .inline           { display: inline; }
.topbar button.logout {
  background: transparent; color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 10px; cursor: pointer; font-size: 13px;
}
.topbar button.logout:hover { color: var(--fg); border-color: var(--fg-dim); }

/* ── Container ─────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 24px; }
h1 { margin: 0 0 16px; font-size: 22px; font-weight: 600; }

/* ── Login ─────────────────────────────────────────────────── */
.login-box {
  max-width: 360px; margin: 8vh auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 28px;
}
.login-box h1 { margin: 0 0 18px; }
.login-box label {
  display: block; margin-bottom: 14px;
  color: var(--fg-dim); font-size: 13px;
}
.login-box input {
  display: block; width: 100%; margin-top: 4px;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 12px; font-size: 14px;
}
.login-box input:focus { outline: none; border-color: var(--accent); }
button.primary {
  width: 100%; padding: 10px 14px;
  background: var(--accent); color: white;
  border: 0; border-radius: 6px;
  font-size: 14px; font-weight: 500; cursor: pointer;
}
button.primary:hover { filter: brightness(1.1); }

.alert.err {
  margin-bottom: 14px; padding: 10px 12px;
  background: rgba(239,83,80,0.1);
  border: 1px solid rgba(239,83,80,0.3);
  color: #ff8a86; border-radius: 6px; font-size: 13px;
}

/* ── Metrics grid ──────────────────────────────────────────── */
.metrics-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.metric {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 8px;
  padding: 14px 16px;
}
.metric.ok   { border-left-color: var(--ok); }
.metric.warn { border-left-color: var(--warn); }
.metric.crit { border-left-color: var(--crit); }
.metric-label { color: var(--fg-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.metric-value { font-size: 28px; font-weight: 600; margin: 4px 0; }
.metric-sub   { color: var(--fg-dim); font-size: 12px; }

/* ── Backtest form ─────────────────────────────────────────── */
.form-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(2, 1fr);
}
.card.span-2 { grid-column: 1 / -1; }
@media (max-width: 800px) {
  .form-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.card h2 { margin: 0 0 10px; font-size: 14px; font-weight: 600; color: var(--fg); }
.card h3 {
  margin: 12px 0 6px; font-size: 11px; font-weight: 500;
  color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.5px;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 10px;
}
.card-head h2 { margin: 0; }
.card-head-controls { display: flex; gap: 6px; }
.card-head-controls select {
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 5px;
  padding: 5px 8px; font-size: 13px;
}

.card label.tight {
  display: flex; flex-direction: column; gap: 3px;
  color: var(--fg-dim); font-size: 11px;
  margin: 0; min-width: 0;
}
.card label.tight > input,
.card label.tight > select {
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 5px;
  padding: 5px 8px; font-size: 13px; min-width: 0;
}
.card label.tight > input:focus,
.card label.tight > select:focus { outline: none; border-color: var(--accent); }

.inline-row {
  display: grid; gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
}
.mt { margin-top: 10px; }

/* Legacy .row (for non-form pages) */
.row {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.checkbox { display: flex; align-items: center; gap: 8px; color: var(--fg); }
.checkbox input { width: auto; }

/* Pills (multiselect via checkbox) */
.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  display: inline-flex; align-items: center;
  background: var(--bg); color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 12px; font-size: 13px;
  cursor: pointer; user-select: none;
}
.pill input { position: absolute; opacity: 0; pointer-events: none; }
.pill:has(input:checked) {
  background: var(--accent); color: white; border-color: var(--accent);
}
.pill > span { pointer-events: none; }

/* Quick-select buttons row */
.quick-buttons { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.quick-buttons button {
  background: var(--bg); color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 12px; font-size: 13px; cursor: pointer;
}
.quick-buttons button:hover { color: var(--fg); border-color: var(--accent); }

/* Multiselect (symbols) */
.multiselect {
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px; font-size: 13px; width: 100%;
}
.multiselect option { padding: 4px 8px; border-radius: 4px; }
.multiselect option:checked { background: var(--accent); color: white; }

/* Params grid */
.params-grid { display: flex; flex-direction: column; gap: 10px; }
.param-row {
  display: grid; grid-template-columns: 160px 1fr; gap: 14px; align-items: center;
  padding: 8px 10px; background: var(--bg); border-radius: 6px;
}
.param-name code { font-size: 13px; color: var(--accent); }
.param-controls { display: flex; gap: 8px; flex-wrap: wrap; }
.param-controls.range label { margin: 0; font-size: 11px; }
.param-controls.range input { width: 80px; padding: 4px 6px; font-size: 13px; }

/* Top bar with estimate + submit — sticky just below main nav */
.topbar-form {
  position: sticky; top: 49px;   /* main nav height ~ 49px */
  z-index: 10;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 14px;
  display: flex; gap: 14px; align-items: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}
.estimate { flex: 1; min-height: 28px; }
button.primary.big {
  padding: 12px 24px; font-size: 15px; font-weight: 600;
  white-space: nowrap;
}
button.primary.big:hover { filter: brightness(1.1); }

/* Estimate inline (one line, fits in topbar) */
.estimate-inline {
  display: flex; flex-wrap: wrap; gap: 18px; align-items: center;
  font-size: 13px;
}
.estimate-inline .est-color { font-size: 18px; }
.estimate-inline .est-block { color: var(--fg); }
.estimate-inline .est-block strong { font-size: 14px; }
.estimate-inline .est-block.highlight strong { color: var(--accent); font-size: 16px; }
.estimate-inline .muted { color: var(--fg-dim); }
.estimate-inline .dim   { color: var(--fg-dim); font-size: 12px; }
.estimate-inline.warn .est-block.highlight strong { color: var(--warn); }
.estimate-inline.crit .est-block.highlight strong { color: var(--crit); }

.alert.ok {
  background: rgba(38,166,154,0.1);
  border: 1px solid rgba(38,166,154,0.3);
  color: #5dccc1; padding: 10px 14px;
  border-radius: 6px; margin-bottom: 14px;
}
.alert.warn {
  background: rgba(255,183,77,0.1);
  border: 1px solid rgba(255,183,77,0.3);
  color: #ffc97a; padding: 8px 12px;
  border-radius: 6px;
}

.muted { color: var(--fg-dim); }
.dim   { color: var(--fg-dim); font-size: 12px; }
.form-bottom-spacer { height: 40px; }

/* Data table (jobs panel) */
.data-table {
  width: 100%; border-collapse: collapse; font-size: 13px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px;
  overflow: hidden;
}
.data-table th, .data-table td {
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border);
}
.data-table th { color: var(--fg-dim); font-weight: 500; font-size: 11px; text-transform: uppercase; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr.status-completed td { opacity: 0.7; }
.data-table tr.status-running   td { background: rgba(79,140,255,0.05); }
.data-table code { color: var(--accent); font-size: 12px; }