:root {
  --forest: #2d5a45;
  --forest-dark: #1f3f31;
  --beige: #f4efe6;
  --sand: #e8dfd1;
  --white: #ffffff;
  --blue: #3b6ea8;
  --blue-soft: #e8f0fa;
  --text: #1f2937;
  --muted: #6b7280;
  --danger: #b45309;
  --danger-bg: #fff7ed;
  --success: #166534;
  --success-bg: #ecfdf5;
  --warning-bg: #fef9c3;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(31, 41, 55, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: linear-gradient(180deg, var(--beige) 0%, #faf8f4 240px);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell { max-width: 960px; margin: 0 auto; padding: 1rem 1rem 3rem; }

.topbar {
  background: var(--forest);
  color: #fff;
  padding: 0.875rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.topbar__brand { font-weight: 700; font-size: 1.05rem; }
.topbar__nav { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }
.topbar a { color: #fff; font-size: 0.9rem; }

.page-title { font-size: 1.5rem; font-weight: 700; margin: 1.25rem 0 0.5rem; color: var(--forest-dark); }
.page-subtitle { color: var(--muted); margin: 0 0 1.25rem; }

.flash-stack { display: grid; gap: 0.5rem; margin-bottom: 1rem; }
.flash {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.9375rem;
}
.flash--success { background: var(--success-bg); color: var(--success); }
.flash--warning { background: var(--warning-bg); color: #854d0e; }
.flash--danger { background: var(--danger-bg); color: var(--danger); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: 12px;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  min-height: 48px;
}
.btn:active { transform: scale(0.98); }
.btn--primary { background: var(--forest); color: #fff; box-shadow: var(--shadow); }
.btn--primary:hover { background: var(--forest-dark); color: #fff; text-decoration: none; }
.btn--secondary { background: var(--white); color: var(--forest); border: 1px solid var(--sand); }
.btn--danger { background: #fff; color: var(--danger); border: 1px solid #fdba74; }
.btn--block { width: 100%; }

.card-grid { display: grid; gap: 1rem; }
@media (min-width: 640px) { .card-grid--2 { grid-template-columns: repeat(2, 1fr); } }

.ride-card {
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  padding: 1rem 1.125rem;
  box-shadow: var(--shadow);
  animation: fadeIn 0.2s ease;
}
.ride-card__title { font-size: 1.125rem; font-weight: 700; margin: 0 0 0.25rem; }
.ride-card__meta { color: var(--muted); font-size: 0.875rem; margin-bottom: 0.75rem; }
.ride-card__footer { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; margin-top: 0.75rem; }

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge--open { background: var(--success-bg); color: var(--success); }
.badge--full { background: #fee2e2; color: #991b1b; }
.badge--pending { background: var(--warning-bg); color: #854d0e; }
.badge--cancelled { background: #f3f4f6; color: #4b5563; }
.badge--completed { background: var(--blue-soft); color: var(--blue); }

.seat-pill {
  font-weight: 700;
  color: var(--forest);
  background: #edf5f0;
  border-radius: 999px;
  padding: 0.25rem 0.625rem;
  font-size: 0.875rem;
}

.panel {
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.form-grid { display: grid; gap: 1rem; }
.form-field label { display: block; font-weight: 600; margin-bottom: 0.375rem; font-size: 0.9rem; }
.form-field__help { margin: 0.375rem 0 0; font-size: 0.85rem; color: var(--text-muted, #5c6b5f); line-height: 1.4; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  padding: 0.75rem 0.875rem;
  font-size: 1rem;
  background: #fff;
}
.form-field textarea { min-height: 100px; resize: vertical; }
.form-errors { color: var(--danger); font-size: 0.875rem; margin-top: 0.25rem; }

.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.data-table th,
table.data-table td { padding: 0.625rem 0.75rem; border-bottom: 1px solid var(--sand); text-align: left; }
table.data-table th { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; margin-bottom: 1.25rem; }
.stat-card { background: var(--white); border-radius: var(--radius); padding: 1rem; border: 1px solid var(--sand); }
.stat-card__value { font-size: 1.75rem; font-weight: 700; color: var(--forest); }
.stat-card__label { color: var(--muted); font-size: 0.8125rem; }

.loading { opacity: 0.6; pointer-events: none; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes seatPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}
.seat-pill.is-updated { animation: seatPop 0.35s ease; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border-radius: 18px;
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--sand);
}
.login-card h1 { margin: 0 0 0.25rem; color: var(--forest-dark); }
.login-card p { color: var(--muted); margin-top: 0; }