/**
 * ═══════════════════════════════════════════════════════════
 * 🎨 styles.css — Booking Engine v2 (Villa Volpe)
 * ═══════════════════════════════════════════════════════════
 *
 * Design coerente con il sito GitHub Pages:
 *   - Font: Playfair Display + Inter (come sito principale)
 *   - Colori: marroni caldi (#8B7355) + verde disponibilità
 *   - Layout: single column, mobile-first
 * ═══════════════════════════════════════════════════════════
 */

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

:root {
  /* Villa Volpe brand (allineato a style.css sito) */
  --primary-color: #8B7355;
  --primary-hover: #6E5A42;
  --primary-light: #F5F3EF;
  --accent-color: #A6906F;

  /* Availability (verde tenue) */
  --available-color: #e8f5e9;
  --available-border: #a5d6a7;
  --available-text: #2e7d32;

  /* Status */
  --success-color: #2E7D32;
  --warning-color: #F57C00;
  --error-color: #C62828;

  /* Text (allineato a style.css sito) */
  --text-primary: #2D2D2D;
  --text-secondary: #6B6B6B;
  --text-light: #9A9A9A;

  /* Backgrounds (allineato a style.css sito) */
  --bg-white: #FFFFFF;
  --bg-light: #FAFAF8;
  --bg-hover: #F5F3EF;
  --border-color: #E8E5E0;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
}

/* ── Widget Container ──────────────────────────────────── */

.booking-widget {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background-color: var(--bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

/* ── Progress Bar ──────────────────────────────────────── */

.progress-bar {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  padding: 0 var(--spacing-md);
}

.progress-step {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 13px;
  color: var(--text-light);
  transition: color 0.3s ease;
}

.progress-step .step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border-color);
  transition: all 0.3s ease;
}

.progress-step.active .step-dot {
  background-color: var(--primary-color);
  width: 10px;
  height: 10px;
  box-shadow: 0 0 0 3px rgba(139, 115, 85, 0.2);
}

.progress-step.active {
  color: var(--primary-color);
  font-weight: 600;
}

.progress-step.completed .step-dot {
  background-color: var(--success-color);
}

.progress-step.completed {
  color: var(--success-color);
}

.progress-connector {
  width: 24px;
  height: 1px;
  background-color: var(--border-color);
  align-self: center;
}

/* ── Step Management ───────────────────────────────────── */

.step { display: none; animation: fadeIn 0.3s ease-in-out; }
.step.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Typography ────────────────────────────────────────── */

h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ── Buttons ───────────────────────────────────────────── */

.btn-primary,
.btn-secondary {
  width: 100%;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
  background-color: var(--border-color);
  color: var(--text-light);
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  padding: var(--spacing-sm) 0;
  margin-bottom: var(--spacing-md);
  transition: color 0.2s ease;
}

.back-btn:hover { color: var(--primary-color); }

/* ── Calendar ──────────────────────────────────────────── */

.calendar-container {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.calendar-header h3 { margin: 0; font-size: 18px; }

.nav-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  transition: background-color 0.2s ease;
}

.nav-btn:hover { background-color: var(--bg-light); }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  font-weight: 500;
}

.calendar-day.header {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: default;
  aspect-ratio: auto;
  padding-bottom: var(--spacing-sm);
}

.calendar-day.empty { cursor: default; }

/* Disponibile ma non in un gap valido */
.calendar-day.available {
  color: var(--text-primary);
}

.calendar-day.available:hover {
  background-color: var(--bg-hover);
  transform: scale(1.08);
}

/* ── Disponibile E in un gap ≥ minNights ── */
.calendar-day.in-gap {
  background-color: var(--available-color);
  color: var(--available-text);
  font-weight: 600;
}

.calendar-day.in-gap:hover {
  background-color: #c8e6c9;
  transform: scale(1.08);
}

/* ── Bloccato ── */
.calendar-day.blocked {
  color: var(--text-light);
  text-decoration: line-through;
  cursor: not-allowed;
  opacity: 0.4;
}

/* ── Selezionato ── */
.calendar-day.selected {
  background-color: var(--primary-color);
  color: white;
  font-weight: 700;
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(139, 115, 85, 0.4);
}

.calendar-day.selected:hover {
  background-color: var(--primary-hover);
}

/* ── Range tra check-in e check-out ── */
.calendar-day.in-range {
  background-color: var(--primary-light);
  color: var(--accent-color);
  border-radius: 2px;
}

/* ── Oggi ── */
.calendar-day.today {
  border: 2px solid var(--accent-color);
}

.calendar-day.today.blocked {
  border-color: var(--text-light);
}

/* ── Calendar Loader ── */

.calendar-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 14px;
}

.calendar-loader .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loader-error {
  color: var(--error-color);
  font-size: 14px;
}

/* ── Selection Hint ── */

.selection-hint {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  padding: var(--spacing-sm) 0;
  min-height: 20px;
}

/* ── Date Error ── */

.date-error {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: #ffebee;
  border-left: 3px solid var(--error-color);
  border-radius: var(--radius-sm);
  color: var(--error-color);
  font-size: 13px;
  margin-top: var(--spacing-sm);
}

/* ── Selected Dates Display ────────────────────────────── */

.selected-dates {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.date-box { flex: 1; text-align: center; }

.date-box label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
}

.date-box span {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.nights-display {
  text-align: center;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 13px;
}

.nights-display span {
  display: block;
  font-size: 26px;
  line-height: 1;
}

/* ── Available Gaps Chips ──────────────────────────────── */

.available-gaps-section {
  margin-top: var(--spacing-lg);
}

.available-gaps-section h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.available-gaps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.gap-chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--available-color);
  border: 1px solid var(--available-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.gap-chip:hover {
  background-color: #c8e6c9;
  transform: translateX(4px);
}

.gap-dates {
  font-size: 14px;
  font-weight: 600;
  color: var(--available-text);
}

.gap-nights {
  font-size: 12px;
  color: var(--available-text);
  opacity: 0.8;
}

.no-gaps {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  padding: var(--spacing-md);
  background-color: var(--bg-light);
  border-radius: var(--radius-md);
}

/* ── Legend ──────────────────────────────────────────────── */

.calendar-legend {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  padding: var(--spacing-sm) 0;
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 12px;
  color: var(--text-secondary);
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.legend-dot.available {
  background-color: var(--available-color);
  border: 1px solid var(--available-border);
}

.legend-dot.blocked {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  position: relative;
}

.legend-dot.blocked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--text-light);
}

.legend-dot.selected {
  background-color: var(--primary-color);
}

/* ── Form ──────────────────────────────────────────────── */

.form-group { margin-bottom: var(--spacing-md); }

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--bg-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(139, 115, 85, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-hint {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
  display: block;
}

textarea { resize: vertical; min-height: 80px; }

/* ── Dates Mini Summary (in guest form) ──────────────── */

.dates-mini-summary {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--primary-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  font-size: 14px;
  color: var(--accent-color);
  font-weight: 500;
}

.dates-mini-summary strong {
  color: var(--text-primary);
}

/* ── Warning ───────────────────────────────────────────── */

.warning-message {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: #FFF3E0;
  border-left: 3px solid var(--warning-color);
  border-radius: var(--radius-sm);
  color: #E65100;
  font-size: 13px;
  margin-bottom: var(--spacing-md);
}

/* ── Summary Card ──────────────────────────────────────── */

.summary-card {
  background-color: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.summary-card h3 { margin-bottom: var(--spacing-md); }

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.summary-row:last-child { border-bottom: none; }
.summary-row span { color: var(--text-secondary); font-size: 14px; }
.summary-row strong { color: var(--text-primary); font-size: 14px; }

/* ── Policy ────────────────────────────────────────────── */

.policy-section { margin-bottom: var(--spacing-lg); }

.policy-section h3 {
  font-size: 15px;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.policy-section h3:first-child { margin-top: 0; }

.policy-section ul {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.policy-section li {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.policy-section li strong { color: var(--text-primary); }

/* ── Checkbox ──────────────────────────────────────────── */

.checkbox-group { margin-bottom: var(--spacing-lg); }

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary-color);
  flex-shrink: 0;
}

/* ── Confirmation ──────────────────────────────────────── */

.confirmation-content {
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.success-icon {
  color: var(--success-color);
  margin-bottom: var(--spacing-lg);
}

.success-icon svg {
  width: 64px;
  height: 64px;
}

.confirmation-content h2 {
  color: var(--success-color);
  margin-bottom: var(--spacing-md);
}

.confirmation-content p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.confirmation-note {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

/* ── Direct Booking Badge ──────────────────────────────── */

.direct-booking-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--available-color);
  color: var(--available-text);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
}

/* ── Responsive ────────────────────────────────────────── */

@media (max-width: 480px) {
  .booking-widget {
    padding: var(--spacing-md);
    border-radius: 0;
    box-shadow: none;
  }
  h2 { font-size: 20px; }
  .calendar-day { font-size: 13px; }
  .form-row { grid-template-columns: 1fr; }
  .selected-dates { flex-direction: column; gap: var(--spacing-sm); }
  .progress-bar { gap: var(--spacing-xs); }
  .progress-step .step-label { display: none; }
  .calendar-legend { gap: var(--spacing-sm); }
  .gap-chip { flex-direction: column; align-items: flex-start; gap: 2px; }
}