@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ============================================================
   Pinewood Derby — Light Theme, Mobile-First Styles
   ============================================================ */

:root {
  --bg:         #f0f2f5;
  --surface:    #ffffff;
  --surface2:   #f8f9fc;
  --border:     #e2e6ea;
  --border2:    #cdd2d9;
  --accent:     #d97706;   /* amber/gold — readable on light bg */
  --accent-bg:  #fef3c7;
  --accent2:    #2563eb;   /* blue */
  --accent2-bg: #eff6ff;
  --danger:     #dc2626;
  --danger-bg:  #fef2f2;
  --success:    #16a34a;
  --success-bg: #f0fdf4;
  --text:       #111827;
  --text2:      #374151;
  --muted:      #6b7280;
  --muted2:     #9ca3af;
  --radius:     14px;
  --radius-sm:  8px;
  --shadow:     0 1px 3px rgba(0,0,0,.08), 0 1px 6px rgba(0,0,0,.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,.1);
  --font:       'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --tap:        52px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* ── Typography ─────────────────────────────────────────────── */
h1 { font-size: 1.6rem;  font-weight: 800; letter-spacing: -0.3px; line-height: 1.2; }
h2 { font-size: 1.25rem; font-weight: 700; line-height: 1.3; }
h3 { font-size: 1rem;    font-weight: 700; }
p  { color: var(--muted); font-size: 0.9rem; }
a  { color: var(--accent2); }

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.page-header .logo { font-size: 2.2rem; line-height: 1; margin-top: 2px; }
.page-header .title-block h1 { color: var(--text); }
.page-header .title-block p  { margin-top: 2px; }

/* ── Card ───────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--muted);
  margin-bottom: 14px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--tap);
  padding: 0 22px;
  border-radius: 10px;
  border: none;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  text-decoration: none;
}

.btn:active   { opacity: 0.75; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary { background: var(--accent2);    color: #fff; }
.btn-gold    { background: var(--accent);     color: #fff; }
.btn-danger  { background: var(--danger);     color: #fff; }
.btn-success { background: var(--success);    color: #fff; }
.btn-ghost        { background: transparent; border: 1.5px solid var(--border2); color: var(--text2); }
.btn-ghost-danger { background: transparent; border: 1.5px solid var(--danger);  color: var(--danger); }

.btn-lg   { font-size: 1.05rem; min-height: 58px; }
.btn-sm   { min-height: 38px; padding: 0 14px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* Legal inspection button pair */
.inspection-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn-legal {
  background: var(--success-bg); border: 2px solid var(--success);
  color: var(--success); font-size: 1.05rem; min-height: 64px;
}
.btn-legal.active, .btn-legal:hover { background: var(--success); color: #fff; }

.btn-illegal {
  background: var(--danger-bg); border: 2px solid var(--danger);
  color: var(--danger); font-size: 1.05rem; min-height: 64px;
}
.btn-illegal.active, .btn-illegal:hover { background: var(--danger); color: #fff; }

/* ── Forms ──────────────────────────────────────────────────── */
label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="number"],
input[type="file"],
select,
textarea {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  margin-bottom: 14px;
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

/* ── Top nav ────────────────────────────────────────────────── */
.top-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.top-nav::-webkit-scrollbar { display: none; }

.top-nav .brand {
  font-weight: 800;
  font-size: 1rem;
  color: var(--accent);
  margin-right: 8px;
  white-space: nowrap;
  padding: 14px 0;
}

.top-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 14px 10px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.top-nav a.active { color: var(--accent2); border-bottom-color: var(--accent2); }

/* ── Status badges ──────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.badge-pending   { background: #f3f4f6; color: var(--muted); }
.badge-legal     { background: var(--success-bg); color: var(--success); }
.badge-not_legal { background: var(--danger-bg);  color: var(--danger); }
.badge-active    { background: var(--accent2-bg); color: var(--accent2); }
.badge-completed { background: var(--success-bg); color: var(--success); }

/* ── Lane board ─────────────────────────────────────────────── */
.lane-board { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.lane-card {
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
}

.lane-card .lane-label {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: var(--muted); margin-bottom: 6px;
}

.lane-card .car-number  { font-size: 4.5rem; font-weight: 900; color: var(--accent); line-height: 1; }
.lane-card .kid-name    { font-size: 1.3rem; font-weight: 700; color: var(--text2); margin-top: 6px; }

/* ── Leaderboard ────────────────────────────────────────────── */
.leaderboard-row {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 14px; border-radius: 10px; margin-bottom: 6px;
  background: var(--surface2); border: 1px solid var(--border);
}

.leaderboard-row .rank    { font-size: 1.25rem; font-weight: 900; min-width: 32px; color: var(--muted2); }
.leaderboard-row.rank-1 .rank { color: #d97706; }
.leaderboard-row.rank-2 .rank { color: #6b7280; }
.leaderboard-row.rank-3 .rank { color: #b45309; }
.leaderboard-row .car-num { font-size: 1.2rem; font-weight: 800; color: var(--accent); min-width: 38px; }
.leaderboard-row .name    { flex: 1; font-weight: 600; font-size: 0.95rem; }
.leaderboard-row .pts     { font-size: 0.9rem; font-weight: 700; color: var(--muted); }

/* ── Car spotlight (inspection) ─────────────────────────────── */
.car-spotlight { text-align: center; }

.car-spotlight img {
  width: 100%; max-width: 400px; border-radius: var(--radius);
  border: 2px solid var(--border); object-fit: cover;
  aspect-ratio: 4/3; background: var(--surface2);
}

.car-spotlight .car-num-big  { font-size: 3.5rem; font-weight: 900; color: var(--accent); line-height: 1; margin: 10px 0 2px; }
.car-spotlight .kid-name-big { font-size: 1.6rem; font-weight: 700; color: var(--text); }

/* ── Inspection multi-car rows ───────────────────────────────── */
.insp-car-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px; background: var(--surface2);
  border: 1.5px solid var(--border); border-radius: 12px; margin-bottom: 10px;
}

.insp-car-row img {
  width: 72px; height: 72px; object-fit: cover; border-radius: 8px;
  background: var(--border); flex-shrink: 0; border: 1px solid var(--border);
}

.insp-car-row .insp-info  { flex: 1; min-width: 0; }
.insp-car-row .insp-num   { font-size: 1.5rem; font-weight: 900; color: var(--accent); line-height: 1; }
.insp-car-row .insp-name  { font-weight: 600; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.insp-car-row .insp-btns  { display: flex; flex-direction: column; gap: 6px; flex-shrink: 0; }

/* Inspection toggle buttons (mutually exclusive per car via JS) */
.insp-toggle-btn {
  display: flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 14px; border-radius: 8px; min-width: 96px;
  font-size: 0.85rem; font-weight: 700; border: 1.5px solid var(--border);
  cursor: pointer; font-family: var(--font);
  background: var(--surface); color: var(--muted2);
}
.insp-toggle-btn.legal.active   { background: var(--success); border-color: var(--success); color: #fff; }
.insp-toggle-btn.illegal.active { background: var(--danger);  border-color: var(--danger);  color: #fff; }

/* Segmented control (Quick Tap / Dropdown) */
.seg-ctrl { display: flex; border: 1.5px solid var(--border2); border-radius: 10px; overflow: hidden; margin-bottom: 16px; }
.seg-btn  { flex: 1; min-height: 44px; border: none; background: var(--surface); color: var(--muted); font-family: var(--font); font-size: 0.9rem; font-weight: 700; cursor: pointer; padding: 0 12px; }
.seg-btn.active { background: var(--accent2); color: #fff; }

/* Delete confirm overlay */
.confirm-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:1100; align-items:center; justify-content:center; padding:20px; }
.confirm-overlay.open { display:flex; }
.confirm-box { background:var(--surface); border-radius:16px; padding:24px; max-width:320px; width:100%; text-align:center; }
.confirm-box h3  { font-size:1.1rem; margin-bottom:8px; }
.confirm-box p   { font-size:0.88rem; color:var(--muted); margin-bottom:20px; }
.confirm-box .confirm-btns { display:grid; grid-template-columns:1fr 1fr; gap:10px; }

/* Heat navigation (track page) */
.heat-nav { display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:16px; }
.heat-nav .heat-nav-label { flex:1; text-align:center; font-size:1.3rem; font-weight:800; }

/* Heat state colors */
.heat-nav-label.state-current { color: #dc2626; }
.heat-nav-label.state-past    { color: #16a34a; }
.heat-nav-label.state-future  { color: var(--muted); }

/* Lane card heat state borders */
.lane-board.state-current .lane-card { border-color: #dc2626; border-width: 2px; }
.lane-board.state-past    .lane-card { border-color: #16a34a; border-width: 2px; }

/* ── QR block ───────────────────────────────────────────────── */
.qr-block {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 16px; background: #fff; border-radius: 12px;
  border: 1px solid var(--border); width: fit-content;
}

/* ── Result picker ──────────────────────────────────────────── */
.finish-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.finish-lane {
  background: var(--surface2); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 14px;
}

.finish-lane .lane-heading { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.finish-lane .car-badge    { font-size: 1.4rem; font-weight: 900; color: var(--accent); }
.finish-lane select        { margin-bottom: 0; }

/* Quick-tap buttons */
#quickTap { display: flex; gap: 10px; flex-wrap: wrap; }
#quickTap .btn { flex: 1; min-width: 70px; flex-direction: column; min-height: 68px; font-size: 1.4rem; font-weight: 900; color: var(--accent); gap: 2px; }
#quickTap .btn span { font-size: 0.7rem; font-weight: 600; color: var(--muted); line-height: 1; }

/* ── Hub station grid ───────────────────────────────────────── */
.station-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }

.station-card {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 20px 16px; text-align: center;
  cursor: pointer; text-decoration: none; display: block;
  transition: border-color 0.15s, box-shadow 0.15s; box-shadow: var(--shadow);
}
.station-card:hover { border-color: var(--accent2); box-shadow: var(--shadow-md); }
.station-card .icon { font-size: 2.4rem; margin-bottom: 8px; display: block; }
.station-card h3    { color: var(--text); font-size: 0.95rem; }
.station-card p     { font-size: 0.78rem; margin-top: 4px; }

/* ── Status bar (hub) ───────────────────────────────────────── */
.status-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }

.stat-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 8px; text-align: center; box-shadow: var(--shadow);
}

.stat-item .stat-label { font-size: 0.6rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); margin-bottom: 4px; }
.stat-item .stat-val   { font-size: 1.5rem; font-weight: 900; line-height: 1; }

/* ── Misc ───────────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 18px 0; }

.empty-state { text-align: center; padding: 32px 20px; color: var(--muted2); font-weight: 600; font-size: 0.9rem; }

.spinner {
  width: 20px; height: 20px; border: 2.5px solid var(--border2);
  border-top-color: var(--accent2); border-radius: 50%;
  animation: spin 0.7s linear infinite; display: inline-block; vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast ──────────────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text); color: #fff;
  padding: 12px 22px; border-radius: 999px;
  font-weight: 700; font-size: 0.88rem;
  opacity: 0; transition: opacity 0.2s, transform 0.2s;
  z-index: 9999; pointer-events: none;
  white-space: nowrap; max-width: calc(100vw - 40px); text-align: center;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.ok   { background: var(--success); }
#toast.err  { background: var(--danger); }

/* ── Modal / bottom sheet ───────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 1000;
  align-items: flex-end; justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal-sheet {
  background: var(--surface); border-radius: 20px 20px 0 0;
  padding: 24px; width: 100%; max-width: 480px;
  max-height: 90vh; overflow-y: auto; text-align: center;
}

/* ── Car list (parent) ──────────────────────────────────────── */
.car-list-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px; background: var(--surface2);
  border: 1px solid var(--border); border-radius: 12px; margin-bottom: 10px;
}

.car-list-item img {
  width: 64px; height: 64px; object-fit: cover;
  border-radius: 8px; background: var(--border); flex-shrink: 0;
}

.car-list-item .info       { flex: 1; min-width: 0; }
.car-list-item .info .num  { font-size: 1.4rem; font-weight: 900; color: var(--accent); }
.car-list-item .info .name { font-weight: 600; font-size: 0.95rem; }

/* ── Responsive upgrades ─────────────────────────────────────── */
@media (min-width: 600px) {
  .container { padding: 24px; }
  h1 { font-size: 2rem; }
  .modal-overlay { align-items: center; padding: 20px; }
  .modal-sheet   { border-radius: 20px; }
}

@media (min-width: 768px) {
  .container    { max-width: 800px; }
  .station-grid { grid-template-columns: repeat(4, 1fr); }
}

/* display/* pages have their own self-contained <style> blocks and do not use styles.css */