/* ===== DARK mode (default) ===== */
:root {
  --bg: #0b1220;
  --panel: #111b2f;
  --panel-2: #1a2742;
  --border: #2f436b;
  --border-strong: #426194;
  --text: #eaf2ff;
  --muted: #9bb0d1;
  --accent: #5aa0ff;
  --accent-2: #2d6fce;
  --good: #2bb673;
  --warn: #d69e2e;
  --bad: #e45858;
  --primary: #4f8dff;
  --topbar-bg1: #0f1b33;
  --topbar-bg2: #11264a;
}

/* ===== LIGHT mode ===== */
body.light {
  --bg: #eef4ff;
  --panel: #ffffff;
  --panel-2: #e3eeff;
  --border: #bfd0f2;
  --border-strong: #95b4ea;
  --text: #0f1c33;
  --muted: #4b6088;
  --accent: #1e5fcf;
  --accent-2: #174caa;
  --good: #2f9e63;
  --warn: #b7791f;
  --bad: #cc3a3a;
  --primary: #1f6feb;
  --topbar-bg1: #e5f0ff;
  --topbar-bg2: #d7e8ff;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
  font-size: 15px; line-height: 1.58;
  transition: background 0.2s, color 0.2s;
  overflow-x: hidden;
}

/* ===== Top bar ===== */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; gap: 12px; flex-wrap: wrap;
  background: linear-gradient(90deg, var(--topbar-bg1) 0%, var(--topbar-bg2) 100%);
  border-bottom: 2px solid var(--accent-2);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { font-size: 36px; }
.brand h1 { margin: 0; font-size: 23px; letter-spacing: 0.2px; color: var(--accent); }
.brand .tag { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.mode-toggle {
  display: flex; align-items: center; gap: 6px;
  flex-wrap: wrap; flex-shrink: 1; min-width: 0;
}
.mode-toggle label { color: var(--muted); font-size: 13px; white-space: nowrap; }

#btnSimpleMode {
  border-color: var(--good);
  color: var(--good);
}
body.simple-off #btnSimpleMode {
  border-color: var(--warn);
  color: var(--warn);
}

/* ===== Tabs ===== */
.tabs {
  display: flex; gap: 4px; padding: 0 22px;
  background: var(--panel); border-bottom: 1px solid var(--border-strong);
}
.tab {
  background: transparent; border: 0; color: var(--muted);
  padding: 14px 20px; cursor: pointer; font-size: 15px;
  border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: linear-gradient(180deg, transparent 60%, color-mix(in srgb, var(--accent) 16%, transparent) 100%);
}

main { padding: 24px; max-width: 1280px; margin: 0 auto; }

.view { display: none; }
.view.active { display: block; }

/* ===== Cards / form ===== */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px 22px; margin-bottom: 18px;
  box-shadow: 0 8px 26px rgba(7, 23, 52, 0.18);
  position: relative;
}
.card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  border-top-left-radius: 14px;
  border-top-right-radius: 14px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 70%);
  opacity: 0.55;
  pointer-events: none;
}
.card h2 {
  margin: 0 0 14px; font-size: 17px; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.6px;
  border-bottom: 1px solid var(--border-strong); padding-bottom: 8px;
}
.card h3 { color: var(--accent); margin-top: 18px; }
.hint { font-size: 12px; color: var(--muted); font-weight: normal; margin-left: 8px; text-transform: none; letter-spacing: 0; }
.info { color: var(--accent); cursor: help; font-size: 12px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.grid label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); gap: 5px; }
.grid label.full { grid-column: 1 / -1; }

.pillars-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.pillar-summary {
  margin-top: 12px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 14px;
}
.pillar-summary strong {
  font-size: 18px;
}
.decision {
  padding: 3px 8px;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.decision-buy {
  color: var(--good);
  border-color: var(--good);
}
.decision-shortlist {
  color: var(--warn);
  border-color: var(--warn);
}
.decision-pass {
  color: var(--bad);
  border-color: var(--bad);
}
.decision-wait {
  color: var(--muted);
}

.score-mode-row {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.score-mode-row label {
  color: var(--muted);
  font-size: 13px;
}
.score-mode-row select {
  min-width: 320px;
}

.pillar-guide {
  margin-top: 12px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
}
.pillar-guide summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
}
.pillar-guide-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}
.pillar-guide-grid h4 {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--text);
}
.pillar-guide-grid p {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--muted);
}

.benchmark-head {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.benchmark-head h3 {
  margin: 0;
}
#benchmarkTable table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}
#benchmarkTable th,
#benchmarkTable td {
  padding: 7px 9px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  text-align: left;
}
#benchmarkTable th {
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  background: var(--panel-2);
}
#benchmarkTable tr.current-row td {
  background: var(--panel-2);
  font-weight: 600;
}

input, select, textarea {
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); padding: 10px 12px; border-radius: 6px;
  font-size: 15px; font-family: inherit;
  width: 100%;
  min-width: 0;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}
input[type="range"] { padding: 0; }
output {
  display: inline-block; min-width: 28px; text-align: center;
  color: var(--accent); font-weight: bold; font-size: 16px;
}
textarea { resize: vertical; }

/* ===== Buttons ===== */
.btn {
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); padding: 10px 18px; border-radius: 6px;
  cursor: pointer; font-size: 14px; font-family: inherit;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--border); }
.btn.primary {
  background: var(--accent); color: #f8fbff; border-color: var(--accent);
  font-weight: 600;
}
.btn.primary:hover {
  background: color-mix(in srgb, var(--accent) 85%, #8ab8ff 15%);
  border-color: color-mix(in srgb, var(--accent) 85%, #8ab8ff 15%);
}
.btn.ghost { background: transparent; }
.btn.danger { background: var(--bad); border-color: var(--bad); color: white; }
.btn.danger:hover { background: #d83a30; }

.form-actions {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 0; flex-wrap: wrap;
}
.live-score {
  margin-left: auto; color: var(--muted); font-size: 13px;
}
.live-score strong { color: var(--accent); font-size: 18px; }

/* ===== Toolbar (list) ===== */
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; }
.toolbar input { flex: 1; }
.toolbar select { min-width: 200px; }

/* ===== Horse cards (list) ===== */
.horse-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}
.horse-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; position: relative;
  display: flex; flex-direction: column; gap: 10px;
  box-shadow: 0 6px 18px rgba(7, 23, 52, 0.14);
}
.horse-card .score-badge {
  position: absolute; top: 12px; right: 12px;
  width: 56px; height: 56px; border-radius: 50%;
  background: conic-gradient(var(--score-color, var(--good)) calc(var(--score) * 1%), var(--panel-2) 0);
  display: flex; align-items: center; justify-content: center;
  font-weight: bold; font-size: 16px; color: var(--text);
}
.horse-card .score-badge::after {
  content: ''; position: absolute; inset: 5px;
  background: var(--panel); border-radius: 50%; z-index: 0;
}
.horse-card .score-badge span { z-index: 1; }
.horse-card h3 { margin: 0 64px 0 0; font-size: 17px; color: var(--text); }
.horse-card .meta { font-size: 13px; color: var(--muted); }
.horse-card .ped { font-size: 14px; color: var(--text); }
.horse-card .ped em { color: var(--accent); font-style: normal; }
.horse-card .breakdown {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 10px;
  font-size: 11px; padding-top: 8px; border-top: 1px solid var(--border);
}
.horse-card .breakdown .bar {
  background: var(--panel-2); border-radius: 3px; overflow: hidden; height: 6px;
  align-self: center;
}
.horse-card .breakdown .bar > div { height: 100%; background: var(--accent); }
.horse-card .actions { display: flex; gap: 6px; }
.horse-card .actions .btn { padding: 7px 12px; font-size: 13px; }
.horse-card .price { color: var(--accent); font-weight: 600; }

/* ===== Compare ===== */
.compare-select {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px; margin-bottom: 16px;
}
.compare-select label {
  display: flex; align-items: center; gap: 8px;
  background: var(--panel); padding: 8px 12px; border-radius: 6px;
  border: 1px solid var(--border); cursor: pointer;
}
.compare-select label:hover { border-color: var(--accent); }
#compareTable table {
  width: 100%; border-collapse: collapse; background: var(--panel);
  border-radius: 10px; overflow: hidden;
}
#compareTable th, #compareTable td {
  padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border);
  font-size: 13px;
}
#compareTable th {
  background: var(--panel-2); color: var(--accent);
  font-size: 12px; text-transform: uppercase;
}
#compareTable tr.section td {
  background: var(--panel-2); color: var(--muted);
  font-size: 11px; text-transform: uppercase; font-weight: bold;
}
#compareTable td.best { color: var(--good); font-weight: bold; }
#compareTable td.worst { color: var(--bad); }

/* ===== Modal ===== */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal.hidden { display: none; }
.modal-body {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px; max-width: 520px; width: 90%;
  max-height: 85vh; overflow-y: auto;
}
.modal-body h2 { margin-top: 0; color: var(--accent); }
.weight-row {
  display: grid; grid-template-columns: 140px 1fr 50px;
  align-items: center; gap: 12px; margin-bottom: 8px;
}
.weight-row label { color: var(--text); font-size: 13px; }

/* ===== Guide ===== */
.guide ul { padding-left: 22px; }
.guide li { margin-bottom: 6px; }
.guide .disclaimer {
  margin-top: 18px; padding: 10px 14px;
  background: var(--panel-2); border-left: 3px solid var(--warn);
  border-radius: 4px; font-size: 12px; color: var(--muted);
}

.card.danger { border-color: var(--bad); }
.card.danger h2 { color: var(--bad); border-bottom-color: var(--bad); }

/* Hide breeding-only cards in auction mode */
body.mode-auction .breeding-only { display: none; }

/* Simple mode keeps only the core buy-decision workflow visible. */
body.simple-on .advanced-card {
  display: none;
}

/* ===== Update banner ===== */
.update-banner {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 22px;
  background: #1a5e2a; color: #d4f5dc;
  font-size: 14px; font-weight: 500;
  border-bottom: 2px solid #3fb950;
}
body.light .update-banner {
  background: #d4f5dc; color: #1a5e2a;
  border-bottom-color: #1a7f37;
}
.update-banner.hidden { display: none; }
.update-banner span { flex: 1; }

/* ===== Theme toggle button ===== */
.theme-btn { font-size: 14px; white-space: nowrap; }
body.light .theme-btn { background: #203966; color: #f2f7ff; border-color: #203966; }
body.light .theme-btn:hover { background: #152d54; }

/* ===== About / Help modal ===== */
.about-btn {
  background: var(--accent); color: #f8fbff !important;
  border-color: var(--accent); font-weight: 700;
}
.about-btn:hover {
  background: color-mix(in srgb, var(--accent) 85%, #8ab8ff 15%);
}

.about-modal-body {
  max-width: 860px !important; width: 94vw !important;
  max-height: 90vh; overflow-y: auto;
  padding: 28px 30px !important;
}
.about-header {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.about-header .logo { font-size: 44px; line-height: 1; }
.about-header h2 { margin: 0; color: var(--accent); font-size: 22px; }
.about-sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.about-close { margin-left: auto; }

.about-content h3 {
  color: var(--accent); font-size: 14px; text-transform: uppercase;
  letter-spacing: 0.5px; margin: 24px 0 10px;
  border-bottom: 1px solid var(--border); padding-bottom: 6px;
}
.about-content p { color: var(--muted); line-height: 1.6; margin: 0 0 10px; }

.about-modes {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px; margin: 16px 0;
}
.about-mode-card {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 14px; text-align: center;
}
.about-mode-icon { font-size: 28px; margin-bottom: 6px; }
.about-mode-card strong { display: block; color: var(--text); margin-bottom: 4px; }
.about-mode-card p { font-size: 12px; margin: 0; }

.about-table {
  width: 100%; border-collapse: collapse; margin-bottom: 4px;
  font-size: 13px;
}
.about-table th {
  background: var(--panel-2); color: var(--accent);
  padding: 7px 10px; text-align: left; font-size: 11px;
  text-transform: uppercase; border-bottom: 1px solid var(--border);
}
.about-table td {
  padding: 7px 10px; border-bottom: 1px solid var(--border);
  color: var(--muted); vertical-align: top;
}
.about-table td:first-child { color: var(--text); font-weight: 600; white-space: nowrap; }
.about-table td:nth-child(2) { color: var(--accent); white-space: nowrap; }

.about-features { padding-left: 20px; color: var(--muted); line-height: 1.8; }
.about-features li { margin-bottom: 4px; }
.about-features strong { color: var(--text); }

.about-disclaimer {
  margin: 20px 0 0; padding: 12px 16px;
  background: var(--panel-2); border-left: 3px solid var(--warn);
  border-radius: 4px; font-size: 12px; color: var(--muted);
}
.about-footer {
  margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--muted); display: flex;
  justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
}
.about-footer a { color: var(--accent); text-decoration: none; }
.about-footer a:hover { text-decoration: underline; }

/* ===== Preset card ===== */
.preset-card { border-color: var(--accent-2); }
.preset-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.preset-row select { flex: 1; min-width: 260px; }
#btnAuctionFast {
  border-color: var(--primary);
  color: var(--primary);
}
#btnAuctionFast:hover {
  background: var(--primary);
  color: #ffffff;
}
.preset-note {
  margin: 10px 0 0; padding: 8px 12px;
  background: var(--panel-2); border-left: 3px solid var(--accent);
  border-radius: 4px; font-size: 12px; color: var(--muted);
}

/* ===== Info button (click popover) ===== */
button.info {
  background: transparent; border: 1px solid var(--accent);
  color: var(--accent); width: 18px; height: 18px;
  border-radius: 50%; padding: 0; font-size: 11px;
  line-height: 1; cursor: pointer; display: inline-flex;
  align-items: center; justify-content: center;
  margin-left: 4px;
}
button.info:hover { background: var(--accent); color: #f8fbff; }

.info-popover {
  position: absolute; z-index: 200;
  background: var(--panel); color: var(--text);
  border: 1px solid var(--accent); border-radius: 6px;
  padding: 10px 14px; max-width: 280px; font-size: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  pointer-events: none;
}
.info-popover.hidden { display: none; }
.info-popover::before {
  content: ''; position: absolute; top: -6px; left: 12px;
  width: 10px; height: 10px;
  background: var(--panel);
  border-left: 1px solid var(--accent);
  border-top: 1px solid var(--accent);
  transform: rotate(45deg);
}

/* Prevent horizontal cutoff for data-heavy sections on phone */
#benchmarkTable,
#compareTable {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
#benchmarkTable table,
#compareTable table {
  min-width: 740px;
}

@media (max-width: 860px) {
  .topbar { flex-direction: column; align-items: flex-start; padding: 12px 16px; }
  .mode-toggle { width: 100%; }
  .mode-toggle > * { flex: 1 1 auto; }
  .mode-toggle label { flex: 0 0 auto; }
  .mode-toggle select { flex: 1 1 220px; min-width: 0; }
  .score-mode-row select { min-width: 0; width: 100%; }
  .toolbar { flex-direction: column; }
  .toolbar select { min-width: 0; }
}
@media (max-width: 700px) {
  .brand h1 { font-size: 20px; }
  .brand .logo { font-size: 30px; }
  .brand .tag { font-size: 12px; }

  .tabs { overflow-x: auto; }
  .tab { white-space: nowrap; padding: 11px 14px; font-size: 14px; }
  main { padding: 14px; }
  .card { padding: 16px; border-radius: 12px; }

  .preset-row {
    display: grid;
    grid-template-columns: 1fr;
  }
  .preset-row select { min-width: 0; }

  .mode-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
  }
  .mode-toggle label {
    grid-column: 1 / -1;
    margin-bottom: -2px;
  }
  .mode-toggle select {
    grid-column: 1 / -1;
  }
  .mode-toggle .btn {
    width: 100%;
    padding: 10px 8px;
    font-size: 13px;
  }

  .pillar-summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  #benchmarkTable table,
  #compareTable table {
    min-width: 640px;
  }
}