:root {
  --bg: #0d0d0f;
  --bg-elevated: #16161a;
  --bg-card: #1b1b20;
  --border: #2a2a30;
  --red: #e2261c;
  --red-dark: #a81a13;
  --text: #f4f4f5;
  --text-dim: #a1a1aa;
  --text-faint: #6b6b76;
  --success: #3fb950;
  --warn: #e3b341;
  --danger: #f85149;
  --radius: 10px;
  --sidebar-w: 240px;
}

/* Light theme: same brand red, swapped surfaces/text for accessible
   contrast. Applied via [data-theme="light"] on <html>, set before
   first paint by the inline script in layouts/header.php to avoid a
   flash of the wrong theme. */
:root[data-theme="light"] {
  --bg: #f5f5f7;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --border: #dcdce0;
  --red: #c81f17;
  --red-dark: #a81a13;
  --text: #19191c;
  --text-dim: #52525b;
  --text-faint: #71717a;
  --success: #1a7f37;
  --warn: #9a6700;
  --danger: #cf222e;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Roboto, -apple-system, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.01em; margin: 0 0 .5em; }
p { color: var(--text-dim); }

.auth-page { min-height: 100vh; display: flex; flex-direction: column; }
.auth-shell {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, var(--bg-elevated) 0%, var(--bg) 70%);
  padding: 24px;
}
.anon-shell { min-height: 100vh; display: flex; flex-direction: column; padding: 24px; }
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.brand .mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: #fff; font-size: 18px;
}
.brand .name { font-weight: 800; font-size: 17px; letter-spacing: -0.02em; }
.brand .name small { display: block; color: var(--text-faint); font-weight: 400; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.brand-logo-img { max-height: 40px; max-width: 160px; width: auto; height: auto; object-fit: contain; }
.sidebar .brand-logo-img { max-height: 36px; max-width: 140px; }

.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  position: fixed; top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  transition: transform .2s ease;
  z-index: 50;
}
.sidebar .brand { padding: 20px 18px; border-bottom: 1px solid var(--border); margin: 0; }
.nav-group { padding: 10px 0; }
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  border-left: 3px solid transparent;
}
.nav-link:hover { background: rgba(226,38,28,0.08); color: var(--text); text-decoration: none; }
.nav-link.active { color: #fff; border-left-color: var(--red); background: rgba(226,38,28,0.12); }
.nav-icon { width: 18px; text-align: center; opacity: .85; }

.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  position: sticky; top: 0; z-index: 30;
}
.topbar .menu-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 6px 10px; cursor: pointer; }
.content { padding: 24px; max-width: 1280px; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.page-head h1 { font-size: 24px; }
.page-sub { color: var(--text-faint); font-size: 13px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 14px; font-weight: 600;
  cursor: pointer;
}
.btn:hover { border-color: var(--red); text-decoration: none; }
.btn-primary { background: var(--red); border-color: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); }
.btn-sm { padding: 6px 10px; font-size: 12.5px; }
.btn-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn-ghost { background: transparent; }

.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1000px) { .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.stat-card .stat-label { color: var(--text-faint); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.stat-card .stat-value { font-size: 30px; font-weight: 800; margin-top: 4px; }
.stat-card .stat-value.red { color: var(--red); }

.badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
.badge-approved, .badge-published, .badge-present, .badge-completed, .badge-going, .badge-paid, .badge-resolved { background: rgba(63,185,80,.15); color: var(--success); }
.badge-pending, .badge-draft, .badge-maybe, .badge-in_progress, .badge-waitlisted, .badge-joined_late, .badge-partial, .badge-open, .badge-interested { background: rgba(227,179,65,.15); color: var(--warn); }
.badge-rejected, .badge-suspended, .badge-cancelled, .badge-absent, .badge-cant_make_it, .badge-not_going, .badge-withdrawn, .badge-unpaid { background: rgba(248,81,73,.15); color: var(--danger); }
.badge-core_rider, .badge-admin, .badge-super_admin { background: rgba(226,38,28,.15); color: var(--red); }
.badge-member_rider, .badge-guest_rider, .badge-registration_closed, .badge-excused, .badge-in, .badge-left_early, .badge-reviewed, .badge-waived { background: rgba(161,161,170,.15); color: var(--text-dim); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--text-faint); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
tr:hover td { background: rgba(255,255,255,0.015); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.table-wrap table { border: none; }
.table-wrap .card { border: none; border-radius: 0; }

.form-group { margin-bottom: 16px; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-dim); }
input, select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--red); }
.field-error { color: var(--danger); font-size: 12.5px; margin-top: 4px; }
.form-hint { color: var(--text-faint); font-size: 12px; margin-top: 4px; }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash-success { background: rgba(63,185,80,.1); color: var(--success); border: 1px solid rgba(63,185,80,.3); }
.flash-error { background: rgba(248,81,73,.1); color: var(--danger); border: 1px solid rgba(248,81,73,.3); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--text-faint); }
.empty-state .icon { font-size: 40px; margin-bottom: 10px; }

.ride-card { display: block; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg-card); }
.ride-card .cover { height: 140px; background: linear-gradient(135deg, var(--bg-elevated), var(--bg)); display: flex; align-items: center; justify-content: center; color: var(--text-faint); font-size: 13px; }
.ride-card .cover img { width: 100%; height: 100%; object-fit: cover; }
.ride-card .body { padding: 14px 16px; }
.ride-card .meta { color: var(--text-faint); font-size: 12.5px; margin-top: 6px; }

.filters-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.filters-bar input, .filters-bar select { width: auto; min-width: 160px; }

.pagination { display: flex; gap: 6px; margin-top: 16px; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; color: var(--text-dim); }
.pagination .current { background: var(--red); border-color: var(--red); color: #fff; }

.wa-btn { background: #25d366; border-color: #25d366; color: #0b0b0d; }
.wa-btn:hover { background: #1fb959; }

.site-footer {
  margin-top: auto;
  flex-shrink: 0;
  text-align: center;
  padding: 16px 20px;
  font-size: 12.5px;
  color: var(--text-faint);
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.theme-toggle { display: flex; gap: 2px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 3px; }
.theme-toggle button {
  border: none; background: transparent; color: var(--text-faint);
  padding: 5px 9px; border-radius: 6px; font-size: 12.5px; cursor: pointer; font-weight: 600;
}
.theme-toggle button.active { background: var(--red); color: #fff; }

@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .topbar .menu-toggle { display: inline-flex; }
}