:root {
  --bg: #f3f6fd;
  --card: #fff;
  --primary: #2b5cff;
  --text: #1f2a3d;
  --border: #d9e2ef;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top left, #eef4ff 0%, transparent 45%), radial-gradient(circle at bottom right, #c5d7ff 0%, transparent 40%), var(--bg);
  color: var(--text);
}

.booking-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 2rem;
}

.booking-card {
  width: min(100%, 650px);
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: 0 18px 50px rgba(33, 51, 91, 0.08);
  padding: 2rem;
}

.booking-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.booking-header h1 {
  margin: 0;
  font-size: 2.4rem;
}

.booking-header p {
  margin: 0.75rem auto 0;
  max-width: 32rem;
  color: #64748b;
}

.booking-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.5rem;
}

.form-row label {
  font-size: 0.95rem;
  font-weight: 600;
}

.form-row input,
.form-row select {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

.form-row input:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(43, 92, 255, 0.12);
}

.seat-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.full-width {
  grid-column: 1 / -1;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: #f4f7ff;
  border: 1px solid #dbe8ff;
  font-weight: 700;
}

.submit-button {
  border: none;
  cursor: pointer;
  border-radius: 16px;
  padding: 1rem 1.2rem;
  background: linear-gradient(135deg, #3f64ff 0%, #2b5cff 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
}

.submit-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(43, 92, 255, 0.18);
}

.hidden {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.55);
}

.modal-content {
  width: min(100%, 420px);
  padding: 2rem;
  background: #fff;
  border-radius: 26px;
  text-align: center;
}