/* ═══════════════════════════════════════════════════════════════
   BookMe — Design System Dark Mode Premium
   Palette: nero profondo + indigo elettrico + viola
   Font: DM Sans (headings) + JetBrains Mono (orari)
   ═══════════════════════════════════════════════════════════════ */

/* ─── Custom Properties ─────────────────────────────────────── */
:root {
  --bg-primary:        #0a0a0f;
  --bg-secondary:      #12121a;
  --bg-tertiary:       #1a1a27;
  --accent-primary:    #6366f1;
  --accent-secondary:  #8b5cf6;
  --accent-glow:       rgba(99,102,241,0.15);
  --accent-glow-soft:  rgba(99,102,241,0.08);
  --text-primary:      #f1f5f9;
  --text-secondary:    #94a3b8;
  --text-muted:        #475569;
  --slot-free:         #10b981;
  --slot-free-hover:   #059669;
  --slot-free-glow:    rgba(16,185,129,0.18);
  --slot-busy:         #1e1e2e;
  --border:            rgba(255,255,255,0.06);
  --border-accent:     rgba(99,102,241,0.3);
  --radius-sm:         6px;
  --radius-md:         12px;
  --radius-lg:         20px;
  --radius-full:       9999px;
  --shadow-glow:       0 0 24px rgba(99,102,241,0.2);
  --shadow-card:       0 4px 24px rgba(0,0,0,0.4);
  --transition:        200ms ease;
}

/* ─── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }

/* ─── Mesh Gradient Background ───────────────────────────────── */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.mesh-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: floatBlob 20s ease-in-out infinite;
}

.mesh-blob--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.4) 0%, transparent 70%);
  top: -200px; left: -200px;
  animation-delay: 0s;
}

.mesh-blob--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, transparent 70%);
  top: 40%; right: -150px;
  animation-delay: -7s;
}

.mesh-blob--3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(99,102,241,0.2) 0%, transparent 70%);
  bottom: -100px; left: 30%;
  animation-delay: -14s;
}

@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -40px) scale(1.05); }
  66%       { transform: translate(-20px, 30px) scale(0.95); }
}

/* ─── Layout ─────────────────────────────────────────────────── */
.main-wrapper {
  position: relative;
  z-index: 1;
  padding-bottom: 80px;
}

.container {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: 60px 0 48px;
  text-align: center;
}

.hero__inner { display: flex; flex-direction: column; align-items: center; gap: 16px; }

/* Toggle lingua */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  align-self: flex-end;
  margin-bottom: 8px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  transition: color var(--transition), background var(--transition);
}

.lang-btn--active,
.lang-btn:hover {
  color: var(--accent-primary);
  background: var(--accent-glow-soft);
}

.lang-sep { color: var(--border); font-size: 0.75rem; }

/* Avatar */
.hero__avatar-wrap {
  position: relative;
  width: 120px; height: 120px;
  margin-bottom: 4px;
}

.hero__avatar {
  width: 120px; height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid transparent;
  background:
    linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
    linear-gradient(135deg, var(--accent-primary), var(--accent-secondary)) border-box;
  box-shadow: 0 0 32px rgba(99,102,241,0.3);
}

.hero__avatar-fallback {
  width: 120px; height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 32px rgba(99,102,241,0.3);
}

/* Nome e titolo */
.hero__name {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 0%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* Badges */
.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.badge {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--accent-glow-soft);
  border: 1px solid var(--border-accent);
  color: #a5b4fc;
  transition: background var(--transition), border-color var(--transition);
}

.badge:hover { background: var(--accent-glow); border-color: var(--accent-primary); }

/* Bio */
.hero__bio {
  max-width: 480px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  text-align: center;
}

/* Social links */
.hero__social {
  display: flex;
  gap: 16px;
  align-items: center;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.social-link:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-glow);
}

/* ─── Alert ───────────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 0.875rem;
}

.alert--warning {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  color: #fbbf24;
}

/* ─── Controlli Calendario ────────────────────────────────────── */
.calendar-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

/* Toggle durata */
.duration-toggle {
  display: flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px;
  gap: 2px;
  flex-shrink: 0;
}

.duration-btn {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.duration-btn--active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  box-shadow: 0 2px 12px rgba(99,102,241,0.35);
}

.duration-btn:not(.duration-btn--active):hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

/* Navigazione settimana */
.week-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  justify-content: center;
}

.week-nav__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
  flex-shrink: 0;
}

.week-nav__btn:not(.week-nav__btn--disabled):hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-glow);
}

.week-nav__btn--disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.week-nav__label {
  text-align: center;
  min-width: 160px;
}

.week-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
}

.week-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin-top: 2px;
}

/* Pulsante Oggi */
.today-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-accent);
  color: var(--accent-primary);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition);
  flex-shrink: 0;
}

.today-btn:hover {
  background: var(--accent-glow);
  box-shadow: var(--shadow-glow);
}

/* ─── Griglia Calendario ──────────────────────────────────────── */
.calendar-section { margin-bottom: 40px; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
}

/* Ogni colonna giorno occupa almeno 140px su mobile */
@media (max-width: 700px) {
  .calendar-grid {
    grid-template-columns: repeat(5, minmax(140px, 1fr));
  }
}

/* Header giorno */
.day-column {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.day-header {
  text-align: center;
  padding: 12px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: sticky;
  top: 0;
  z-index: 2;
}

.day-name {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.day-date {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.day-slots {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ─── Slot ────────────────────────────────────────────────────── */
.slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  transition: all var(--transition);
  border: 1px solid transparent;
  gap: 2px;
}

.slot__time { font-weight: 500; }
.slot__sep  { color: var(--text-muted); font-size: 0.65rem; line-height: 1; }

/* Slot libero */
.slot--free {
  background: rgba(16,185,129,0.08);
  border-color: rgba(16,185,129,0.25);
  color: var(--slot-free);
  cursor: pointer;
  flex-direction: row;
  justify-content: center;
  gap: 4px;
  padding: 12px 8px;
  font-size: 0.85rem;
  font-weight: 500;
}

.slot--free:hover {
  background: rgba(16,185,129,0.18);
  border-color: rgba(16,185,129,0.5);
  box-shadow: 0 0 16px var(--slot-free-glow);
  transform: translateY(-1px);
}

.slot--free:active { transform: translateY(0); }

/* Giorno vuoto */
.day-empty {
  padding: 20px 8px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-style: italic;
}

/* ─── Modal ───────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.is-open {
  display: flex;
  animation: fadeIn 200ms ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  animation: slideUp 250ms ease;
  padding: 28px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  display: flex;
  align-items: center;
}

.modal-close:hover { color: var(--text-primary); background: var(--bg-tertiary); }

/* Riepilogo slot */
.modal-slot-summary {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.modal-slot-summary strong { color: var(--text-primary); }

.slot-summary-date { font-weight: 600; color: var(--accent-primary); }
.slot-summary-time {
  font-family: 'JetBrains Mono', monospace;
  color: var(--slot-free);
  font-size: 1.05rem;
  font-weight: 500;
}

/* ─── Form ────────────────────────────────────────────────────── */
.booking-form { display: flex; flex-direction: column; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-required { color: var(--accent-primary); }
.form-optional  { color: var(--text-muted); font-weight: 400; font-size: 0.75rem; }

.form-input,
.form-textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  padding: 10px 14px;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

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

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-group--error .form-input,
.form-group--error .form-textarea {
  border-color: #ef4444;
}

.form-error {
  font-size: 0.78rem;
  color: #f87171;
}

.char-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: right;
}

/* Checkbox privacy */
.form-group--checkbox { flex-direction: row; align-items: flex-start; }

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  width: 100%;
}

.form-checkbox {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}

.form-checkbox-custom {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border: 2px solid var(--border-accent);
  border-radius: 4px;
  background: var(--bg-primary);
  transition: all var(--transition);
  position: relative;
  margin-top: 2px;
}

.form-checkbox:checked + .form-checkbox-custom {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-color: transparent;
}

.form-checkbox:checked + .form-checkbox-custom::after {
  content: '';
  position: absolute;
  left: 4px; top: 1px;
  width: 6px; height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-checkbox-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Alert errore nel form */
.form-alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.form-alert--error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #f87171;
}

/* Bottone submit */
.btn-submit {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: opacity var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: 0 4px 16px rgba(99,102,241,0.35);
}

.btn-submit:hover {
  opacity: 0.92;
  box-shadow: 0 6px 24px rgba(99,102,241,0.5);
  transform: translateY(-1px);
}

.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Spinner */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner { animation: spin 0.8s linear infinite; }

/* ─── Pagina Conferma ─────────────────────────────────────────── */
.confirm-section {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: 60px;
}

.confirm-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-card);
}

/* Check animato */
.confirm-icon-wrap { margin-bottom: 24px; }

.confirm-check__circle {
  stroke: var(--slot-free);
  stroke-dasharray: 157;
  stroke-dashoffset: 157;
  animation: drawCircle 0.6s ease 0.2s forwards;
}

.confirm-check__path {
  stroke: var(--slot-free);
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: drawCheck 0.4s ease 0.8s forwards;
}

@keyframes drawCircle {
  to { stroke-dashoffset: 0; }
}

@keyframes drawCheck {
  to { stroke-dashoffset: 0; }
}

.confirm-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--text-primary), #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.confirm-subtitle {
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.confirm-summary {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.confirm-summary__row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.confirm-summary__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.confirm-summary__value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

.confirm-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ─── Pulsante back/link ──────────────────────────────────────── */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-accent);
  color: var(--accent-primary);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition);
}

.btn-back:hover {
  background: var(--accent-glow);
  box-shadow: var(--shadow-glow);
}

/* ─── Pagine di Errore ────────────────────────────────────────── */
.error-section {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.error-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(5rem, 15vw, 9rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  opacity: 0.6;
}

.error-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.error-msg {
  color: var(--text-secondary);
  max-width: 380px;
  font-size: 0.95rem;
}

/* ─── Footer ──────────────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-sep { margin-inline: 8px; }

.footer-link {
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-link:hover { color: var(--accent-primary); }

/* ─── Scrollbar personalizzata ────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-accent); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero { padding: 40px 0 32px; }
  .calendar-controls { flex-direction: column; align-items: stretch; }
  .week-nav { justify-content: space-between; }
  .confirm-card { padding: 32px 20px; }
  .modal-box { padding: 20px; }
}

@media (max-width: 480px) {
  .hero__name { font-size: 1.6rem; }
  .hero__badges { gap: 6px; }
  .badge { font-size: 0.65rem; padding: 3px 10px; }
}

/* ─── Focus visibile per accessibilità ───────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}