/* Prop Firm Calc — dark trading-terminal design system */
:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2230;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --green: #3fb950;
  --red: #f85149;
  --amber: #d29922;
  --amber-bright: #e3b341;
  --link: #58a6ff;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.35rem; }
.muted { color: var(--muted); font-size: 0.9rem; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header / footer */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.wordmark { font-family: var(--mono); font-weight: 700; font-size: 1.05rem; color: var(--text); }
.wordmark span { color: var(--amber-bright); }
.wordmark:hover { text-decoration: none; }
.site-nav a { color: var(--muted); margin-left: 20px; font-size: 0.95rem; }
.site-nav a:hover { color: var(--text); text-decoration: none; }
.site-footer { border-top: 1px solid var(--border); margin-top: 56px; padding: 28px 0 40px; }
.site-footer nav a { color: var(--muted); }

/* Hero */
.hero { text-align: center; padding: 44px 0 8px; }
.hero h1 { margin-bottom: 8px; }
.hero .sub { color: var(--muted); max-width: 640px; margin: 0 auto; }

/* Panels & tables */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
  margin: 26px 0;
}
.panel-title { margin-top: 0; }
.table-scroll { overflow-x: auto; }
.rules-table { width: 100%; min-width: 480px; table-layout: fixed; border-collapse: collapse; font-size: 0.95rem; }
.rules-table th, .rules-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.rules-table .rule-col { width: 30%; }
.rules-table .val-col { width: 35%; text-align: center; }
.rules-table thead th { color: var(--amber-bright); font-size: 1rem; }
.rules-table thead th.val-col a { display: inline-block; }
.rules-table td.num { font-size: 1.02rem; }
.rules-table tbody tr:hover { background: var(--panel-2); }
.price-strike { color: var(--muted); text-decoration: line-through; margin-left: 8px; font-size: 0.8em; }

/* Simulator form */
.sim-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 0.85rem; color: var(--muted); }
.field input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 1rem;
  padding: 10px 12px;
  min-height: 44px;
}
.field input:focus { outline: 2px solid var(--amber); border-color: var(--amber); }
.btn-primary {
  grid-column: 1 / -1;
  background: var(--amber);
  color: #0d1117;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 20px;
  min-height: 48px;
  cursor: pointer;
}
.btn-primary:hover { background: var(--amber-bright); }
.error-text { color: var(--red); font-size: 0.9rem; min-height: 1.2em; grid-column: 1 / -1; }

/* Results */
.results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.firm-col { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.firm-col h3 { margin: 0 0 12px; font-size: 1.05rem; }
.stat-card {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 8px 0; border-bottom: 1px solid var(--border);
}
.stat-card:last-of-type { border-bottom: none; }
.stat-label { color: var(--muted); font-size: 0.88rem; }
.stat-value { font-family: var(--mono); font-size: 1.25rem; }
.good { color: var(--green); }
.bad { color: var(--red); }
.sim-canvas { width: 100%; height: auto; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; margin-top: 12px; }

/* Reviews */
.review-widget { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 20px; max-width: 560px; margin: 0 auto; }
.review-widget h3 { margin-top: 0; }
.review-picker { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.review-picker label { color: var(--muted); font-size: 0.88rem; }
.review-summary { color: var(--muted); font-size: 0.9rem; margin-bottom: 6px; }
.review-card { border-top: 1px solid var(--border); padding: 10px 0; margin: 0; }
.review-card .stars-static { color: var(--amber-bright); letter-spacing: 2px; }
.review-form textarea {
  width: 100%; min-height: 90px; resize: vertical;
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); font-family: var(--sans); padding: 10px 12px; margin: 10px 0;
}
.review-form button {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 16px; min-height: 44px; cursor: pointer;
}
.review-form button:hover { border-color: var(--amber); }
.stars { display: inline-flex; flex-direction: row-reverse; }
.stars input { display: none; }
.stars label { font-size: 1.6rem; color: var(--muted); cursor: pointer; padding: 0 2px; }
.stars input:checked ~ label,
.stars label:hover,
.stars label:hover ~ label { color: var(--amber-bright); }

/* Select controls (fallback styling for any plain <select> not upgraded by
   the custom dropdown enhancer — native popups mostly ignore this CSS, so
   anything interactive uses .dsel below instead). */
select {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 12px; font-size: 1rem; min-height: 44px;
  cursor: pointer;
}
select:hover { border-color: var(--amber); }
select:focus { outline: 2px solid var(--amber); border-color: var(--amber); }

/* Custom dropdown (replaces native <select> popups, which ignore page CSS
   across browsers — this fully themes the trigger and open option list). */
.dsel { position: relative; flex: 1; min-width: 180px; }
.dsel-native { display: none; }
.dsel-trigger {
  width: 100%; text-align: left;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 34px 10px 12px; font-size: 1rem; min-height: 44px;
  cursor: pointer; position: relative; font-family: inherit;
}
.dsel-trigger::after {
  content: ""; position: absolute; right: 14px; top: 45%;
  width: 7px; height: 7px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: translateY(-50%) rotate(45deg);
}
.dsel-trigger:hover, .dsel-trigger:focus { border-color: var(--amber); outline: none; }
.dsel-list {
  display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 30;
  background: var(--panel); border: 1px solid var(--border); border-radius: 6px;
  max-height: 260px; overflow-y: auto; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
.dsel-list.open { display: block; }
.dsel-option { padding: 10px 12px; cursor: pointer; font-size: 0.95rem; }
.dsel-option:hover, .dsel-option.active { background: var(--panel-2); color: var(--amber-bright); }

/* Homepage */
.picker { text-align: center; }
.picker-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 14px; }
.picker .btn-primary { grid-column: auto; width: auto; padding: 12px 28px; }
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.link-card {
  display: block; background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; color: var(--text); font-size: 0.95rem;
}
.link-card:hover { border-color: var(--amber); text-decoration: none; }
.link-card .vs { color: var(--amber-bright); font-family: var(--mono); font-size: 0.8rem; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.step { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.step .n { font-family: var(--mono); color: var(--amber-bright); font-size: 1.2rem; }

/* Content pages */
.prose { max-width: 68ch; }

/* Mobile */
@media (max-width: 720px) {
  h1 { font-size: 1.5rem; }
  .sim-form, .results-grid, .steps { grid-template-columns: 1fr; }
  .site-nav a { margin-left: 14px; }
}