/* ============================================================
   Aquadesk — Main Stylesheet
   Designed for tablet (1024px viewport) kiosk use.
   Touch targets: minimum 48px. Font sizes: minimum 16px.
   ============================================================ */

/* ── Design tokens ────────────────────────────────────────── */
:root {
  --c-primary:        #0EA5E9;
  --c-primary-dark:   #0284C7;
  --c-primary-deeper: #0369A1;
  --c-primary-light:  #E0F2FE;
  --c-primary-tint:   #F0F9FF;

  --c-success:        #10B981;
  --c-success-dark:   #059669;
  --c-success-light:  #ECFDF5;

  --c-error:          #EF4444;
  --c-error-light:    #FEF2F2;
  --c-warning:        #F59E0B;
  --c-warning-light:  #FFFBEB;

  --c-bg:             #F0F9FF;
  --c-surface:        #FFFFFF;
  --c-surface-2:      #F8FAFC;
  --c-border:         #E2E8F0;
  --c-border-strong:  #CBD5E1;

  --c-text:           #0F172A;
  --c-text-secondary: #475569;
  --c-text-muted:     #94A3B8;
  --c-text-on-primary:#FFFFFF;

  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 24px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.06);

  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --max-w: 860px;
  --header-h: 64px;
}

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

html {
  font-size: 17px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

body {
  font-family: var(--font-sans);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Layout ───────────────────────────────────────────────── */
.app-header {
  height: var(--header-h);
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.app-header__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--c-text);
}

.app-header__logo {
  width: 36px;
  height: 36px;
  background: var(--c-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.app-header__name {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-primary-deeper);
}

.app-header__back a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--c-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.app-header__back a:hover,
.app-header__back a:focus {
  background: var(--c-primary-light);
  color: var(--c-primary-deeper);
  outline: none;
}

.page-content {
  flex: 1;
  padding: 2rem 1.5rem 3rem;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

/* ── Typography ───────────────────────────────────────────── */
.page-title {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--c-text);
  margin-bottom: 0.35rem;
}
.page-subtitle {
  font-size: 1rem;
  color: var(--c-text-secondary);
  margin-bottom: 2rem;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  min-height: 52px;
  padding: 0 1.75rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible {
  outline: 3px solid var(--c-primary);
  outline-offset: 2px;
}

/* Primary */
.btn--primary {
  background: var(--c-primary);
  color: var(--c-text-on-primary);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.35);
}
.btn--primary:hover { background: var(--c-primary-dark); }

/* Success / confirm */
.btn--success {
  background: var(--c-success);
  color: #fff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}
.btn--success:hover { background: var(--c-success-dark); }

/* Secondary outlined */
.btn--secondary {
  background: var(--c-surface);
  color: var(--c-primary-deeper);
  border: 2px solid var(--c-primary);
}
.btn--secondary:hover { background: var(--c-primary-light); }

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--c-text-secondary);
  border: 1.5px solid var(--c-border-strong);
}
.btn--ghost:hover { background: var(--c-surface-2); color: var(--c-text); }

/* Sizes */
.btn--lg {
  font-size: 1.2rem;
  min-height: 64px;
  padding: 0 2.5rem;
  border-radius: var(--radius-xl);
}
.btn--full { width: 100%; }
.btn--wide { min-width: 260px; }

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.15s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--c-primary);
  transform: translateY(-2px);
}
.card__body { padding: 1.5rem; }
.card__footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--c-border);
  background: var(--c-surface-2);
}

/* ── Ticket grid ──────────────────────────────────────────── */
.ticket-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.ticket-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.ticket-card:focus-visible {
  outline: 3px solid var(--c-primary);
  outline-offset: 2px;
  border-radius: var(--radius-lg);
}

.ticket-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.badge--standard  { background: var(--c-primary-light);  color: var(--c-primary-deeper); }
.badge--reduced   { background: #FEF9C3; color: #78350F; }
.badge--family    { background: #F0FDF4; color: #14532D; }
.badge--addon     { background: #FAF5FF; color: #581C87; }

.ticket-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.ticket-card__desc {
  font-size: 0.9rem;
  color: var(--c-text-secondary);
  line-height: 1.5;
  flex: 1;
}

.ticket-card__price {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--c-primary-deeper);
  letter-spacing: -0.03em;
  margin-top: 1rem;
}
.ticket-card__price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-text-muted);
}

/* ── Buy / detail page ────────────────────────────────────── */
.buy-card {
  background: var(--c-surface);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--c-border);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  max-width: 580px;
  margin: 0 auto;
}

.buy-card__header {
  margin-bottom: 1.75rem;
}

.buy-card__name {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.buy-card__desc {
  color: var(--c-text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.buy-card__divider {
  height: 1px;
  background: var(--c-border);
  margin: 1.5rem 0;
}

/* Quantity stepper */
.quantity-section { margin-bottom: 1.75rem; }
.quantity-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.quantity-stepper {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--c-surface-2);
  border: 1.5px solid var(--c-border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: fit-content;
}
.qty-btn {
  width: 60px;
  height: 60px;
  border: none;
  background: transparent;
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--c-primary-deeper);
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.qty-btn:hover { background: var(--c-primary-light); }
.qty-btn:active { background: var(--c-primary); color: white; }
.qty-display {
  width: 80px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-text);
  border: none;
  background: white;
  border-left: 1.5px solid var(--c-border-strong);
  border-right: 1.5px solid var(--c-border-strong);
  height: 60px;
  pointer-events: none;
}

/* Price summary */
.price-summary {
  background: var(--c-primary-tint);
  border: 1.5px solid var(--c-primary-light);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.price-summary__label {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-text-secondary);
}
.price-summary__value {
  font-size: 2rem;
  font-weight: 900;
  color: var(--c-primary-deeper);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

/* ── Confirmation screen ──────────────────────────────────── */
.confirmation {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.confirmation__icon {
  width: 88px;
  height: 88px;
  background: var(--c-success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1.5rem;
  border: 3px solid var(--c-success);
}

.confirmation__title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--c-success-dark);
  margin-bottom: 0.5rem;
}
.confirmation__subtitle {
  color: var(--c-text-secondary);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.order-code-box {
  background: var(--c-surface);
  border: 2px dashed var(--c-border-strong);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.75rem;
  margin: 0 auto 2rem;
  display: inline-block;
}
.order-code-box__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
  margin-bottom: 0.4rem;
}
.order-code-box__code {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--c-text);
}

.confirmation__details {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.75rem;
  text-align: left;
}
.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--c-border);
  font-size: 0.95rem;
}
.detail-row:last-child { border-bottom: none; }
.detail-row__label { color: var(--c-text-secondary); }
.detail-row__value { font-weight: 600; color: var(--c-text); }
.detail-row--total .detail-row__label { font-weight: 700; font-size: 1rem; }
.detail-row--total .detail-row__value {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--c-primary-deeper);
}

.confirmation__note {
  font-size: 0.9rem;
  color: var(--c-text-secondary);
  margin-bottom: 2rem;
  padding: 0.75rem 1rem;
  background: var(--c-warning-light);
  border: 1px solid #FDE68A;
  border-radius: var(--radius-md);
}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.faq-category-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-full);
  background: var(--c-surface);
  border: 1.5px solid var(--c-border-strong);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-sans);
  min-height: 44px;
  text-decoration: none;
}
.faq-category-btn:hover,
.faq-category-btn.is-active {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: white;
}

.faq-section { margin-bottom: 2.5rem; }
.faq-section__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.faq-accordion { display: flex; flex-direction: column; gap: 0; }

.faq-item {
  border: 1.5px solid var(--c-border);
  background: var(--c-surface);
  border-radius: 0;
  overflow: hidden;
  transition: background 0.15s;
}
.faq-item:first-child { border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.faq-item:last-child  { border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.faq-item:not(:last-child) { border-bottom: none; }
.faq-item:only-child  { border-radius: var(--radius-lg); }

.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  gap: 1rem;
  min-height: 56px;
  transition: background 0.15s;
}
.faq-item__trigger:hover { background: var(--c-primary-tint); }
.faq-item__trigger:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: -2px;
}

.faq-item__chevron {
  font-size: 1.1rem;
  color: var(--c-text-muted);
  transition: transform 0.25s;
  flex-shrink: 0;
}
.faq-item.is-open .faq-item__chevron { transform: rotate(180deg); }

.faq-item__answer {
  display: none;
  padding: 0 1.25rem 1.1rem;
  font-size: 0.95rem;
  color: var(--c-text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--c-border);
  background: var(--c-surface-2);
}
.faq-item.is-open .faq-item__answer { display: block; }

/* ── Home screen ──────────────────────────────────────────── */
.home-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100vh - var(--header-h) - 4rem);
  padding: 2rem 1rem;
  gap: 1rem;
}

.home-hero__logo {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-deeper));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.4);
}

.home-hero__title {
  font-size: 2.75rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--c-text);
  line-height: 1.1;
}

.home-hero__subtitle {
  font-size: 1.15rem;
  color: var(--c-text-secondary);
  max-width: 420px;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.home-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 380px;
  margin-top: 0.5rem;
}

/* ── Alerts / errors ──────────────────────────────────────── */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.alert--error {
  background: var(--c-error-light);
  border: 1.5px solid #FECACA;
  color: #991B1B;
}
.alert--success {
  background: #ECFDF5;
  border: 1.5px solid #6EE7B7;
  color: #065F46;
}
.alert--warning {
  background: var(--c-warning-light);
  border: 1.5px solid #FDE68A;
  color: #92400E;
}
.alert__icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }

/* ── Error page ───────────────────────────────────────────── */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100vh - var(--header-h) - 4rem);
  gap: 1rem;
}
.error-page__code {
  font-size: 5rem;
  font-weight: 900;
  color: var(--c-border-strong);
  line-height: 1;
}
.error-page__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-text);
}
.error-page__msg {
  color: var(--c-text-secondary);
  max-width: 380px;
}

/* ── Ticket card footer row ───────────────────────────────────── */
.ticket-card__header { margin-bottom: 0.5rem; }
.ticket-card__footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

/* ── Cart ─────────────────────────────────────────────────────── */
.app-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.app-main { flex: 1; }

.cart-btn { position: relative; }
.cart-badge {
  display: inline-block;
  background: var(--c-primary);
  color: white;
  border-radius: 999px;
  padding: 0 6px;
  font-size: 0.75rem;
  font-weight: 700;
  min-width: 20px;
  text-align: center;
}
.cart-table { width: 100%; border-collapse: collapse; margin-bottom: 1.5rem; }
.cart-table th, .cart-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--c-border); }
.cart-table th { font-weight: 600; color: var(--c-text-secondary); font-size: 0.85rem; }
.cart-summary { display: flex; justify-content: space-between; align-items: center; padding: 1rem; background: var(--c-surface-2); border-radius: var(--radius-md); margin-bottom: 1.5rem; }
.cart-summary__label { font-weight: 600; }
.cart-summary__total { font-size: 1.5rem; font-weight: 700; color: var(--c-primary-deeper); }
.cart-actions { display: flex; gap: 1rem; justify-content: flex-end; }
.cart-empty { text-align: center; padding: 3rem; }
.cart-footer { margin-top: 2rem; text-align: center; }

/* ── Error page additions ─────────────────────────────────────── */
.error-page__icon {
  font-size: 4rem;
  color: var(--c-border-strong);
  margin-bottom: 1rem;
}
.error-page__message {
  color: var(--c-text-secondary);
  max-width: 380px;
  margin-bottom: 1.5rem;
}

/* ── Waiting bar (confirmation page polling) ─────────────── */
.waiting-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 10px;
  padding: .85rem 1.25rem;
  margin: 1.25rem auto 1rem;
  max-width: 480px;
  font-size: .95rem;
  color: #0369a1;
  font-weight: 500;
  transition: background .3s, border-color .3s, color .3s;
}
.waiting-bar__spinner {
  width: 18px; height: 18px;
  border: 2.5px solid #bae6fd;
  border-top-color: #0891b2;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  flex-shrink: 0;
}
.waiting-bar--paid {
  background: #ecfdf5;
  border-color: #6ee7b7;
  color: #065f46;
}
.waiting-bar--paid .waiting-bar__spinner { display: none; }
.waiting-bar--cancelled {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #991b1b;
}
.waiting-bar--cancelled .waiting-bar__spinner { display: none; }
.waiting-bar--timeout {
  background: #f8fafc;
  border-color: #e2e8f0;
  color: #64748b;
}
.waiting-bar--timeout .waiting-bar__spinner { display: none; }

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

/* ── Responsive tweaks ────────────────────────────────────── */
@media (max-width: 600px) {
  html { font-size: 16px; }
  .home-hero__title { font-size: 2.1rem; }
  .ticket-grid { grid-template-columns: 1fr; }
  .buy-card { padding: 1.25rem; }
  .page-content { padding: 1.25rem 1rem 2rem; }
}