/* =============================================
   index.css — Página de reserva
   Sistema de diseño: Moderno / Minimalista Pro
   ============================================= */

:root {
  --clr-bg:         #0F0E17;
  --clr-surface:    #1A1828;
  --clr-surface2:   #231F35;
  --clr-border:     #2E2A45;
  --clr-primary:    #7C5CFC;
  --clr-primary-dk: #6344E0;
  --clr-primary-lt: #9B7EFF;
  --clr-accent:     rgba(124, 92, 252, 0.12);
  --clr-text:       #EAE6FF;
  --clr-muted:      #8A84A3;
  --clr-placeholder:#5C5779;
  --clr-success:    #34D399;
  --clr-success-bg: rgba(52, 211, 153, 0.1);
  --clr-error:      #F87171;

  --radius-xl: 20px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 7px;

  --shadow-glow: 0 0 40px rgba(124, 92, 252, 0.18);
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.4);
  --shadow-btn:  0 4px 20px rgba(124, 92, 252, 0.35);

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 2rem 1rem 4rem;
  -webkit-font-smoothing: antialiased;
}

/* ── Contenedor ── */
.booking-page {
  width: 100%;
  max-width: 480px;
}

/* ── Cabecera ── */
.booking-header {
  margin-bottom: 2.5rem;
  padding-top: 0.5rem;
}

.booking-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-primary-lt);
  background: var(--clr-accent);
  border: 1px solid rgba(124, 92, 252, 0.3);
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.booking-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-primary);
  display: inline-block;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

.booking-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.2;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}

.booking-subtitle {
  font-size: 0.9375rem;
  color: var(--clr-muted);
  margin: 0;
  line-height: 1.5;
}

/* ── Alerta éxito ── */
.success-msg {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--clr-success);
  background: var(--clr-success-bg);
  border: 1px solid rgba(52, 211, 153, 0.25);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

/* ── Pasos ── */
.booking-step {
  margin-bottom: 1.5rem;
}

.step-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(124, 92, 252, 0.5);
}

.booking-divider {
  border: none;
  border-top: 1px solid var(--clr-border);
  margin: 0.5rem 0 1.5rem;
}

/* ── Selector de fecha ── */
.date-wrapper {
  position: relative;
  width: 100%;
  min-height: 56px;
  padding: 0 1.125rem;
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.date-wrapper:hover {
  border-color: var(--clr-primary);
}

.date-wrapper:focus-within {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 4px rgba(124, 92, 252, 0.15);
}

.date-wrapper #datePicker {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  font-size: 16px;
}

.date-display {
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.date-display::before {
  content: '📅';
  font-size: 1rem;
}

.date-placeholder {
  color: var(--clr-placeholder);
  font-size: 0.9375rem;
}

#dateText:not(.date-placeholder) {
  color: var(--clr-text);
  font-weight: 500;
  font-size: 0.9375rem;
}

.date-caret {
  font-size: 0.75rem;
  color: var(--clr-muted);
  pointer-events: none;
}

/* ── Slots ── */
#slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 10px;
}

#slots p {
  font-size: 0.875rem;
  color: var(--clr-muted);
  grid-column: 1 / -1;
  padding: 0.5rem 0;
}

#slots button {
  padding: 0.625rem 0.5rem;
  min-height: 48px;
  font-size: 0.9375rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--clr-primary-lt);
  background: var(--clr-accent);
  border: 1.5px solid rgba(124, 92, 252, 0.25);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  -webkit-tap-highlight-color: transparent;
  letter-spacing: 0.02em;
}

#slots button:hover {
  background: rgba(124, 92, 252, 0.2);
  border-color: var(--clr-primary);
  transform: translateY(-1px);
}

#slots button.selected {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-btn);
  transform: translateY(-1px);
}

#slots button:active {
  transform: translateY(0) scale(0.97);
}

/* ── Formulario ── */
#bookingForm {
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  animation: slideUp 0.3s var(--transition);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

#bookingForm h3 { display: none; }

.field-group {
  margin-bottom: 1rem;
}

.field-group label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

#bookingForm input[type="text"] {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 16px;
  font-family: inherit;
  color: var(--clr-text);
  background: var(--clr-surface2);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

#bookingForm input[type="text"]:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 4px rgba(124, 92, 252, 0.15);
}

#bookingForm input[type="text"]::placeholder {
  color: var(--clr-placeholder);
}

#bookingForm button[type="submit"] {
  display: block;
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.9375rem;
  min-height: 52px;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dk) 100%);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-btn);
  letter-spacing: 0.02em;
  -webkit-tap-highlight-color: transparent;
}

#bookingForm button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(124, 92, 252, 0.45);
}

#bookingForm button[type="submit"]:active {
  transform: translateY(0) scale(0.98);
}

#bookingForm button[type="submit"].loading {
  opacity: 0.65;
  pointer-events: none;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── Responsive ── */
@media (max-width: 480px) {
  body { padding: 1.5rem 0.875rem 3rem; }
  .booking-title { font-size: 1.5rem; }
  #slots { grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); }
  #bookingForm { padding: 1.25rem; }
}