/* Appoinly public pages — dark-blue gradient, minimal, system font. */

* { box-sizing: border-box; }

/* --- Accessibility primitives --------------------------------------- */

/* Visually hidden but available to screen readers (sr-only pattern). */
.sr-only,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* The skip-link becomes visible (and keyboard-focusable) on focus. */
.skip-link:focus,
.skip-link:focus-visible {
  position: fixed;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: #fff;
  color: var(--bg-from);
  font-weight: 700;
  border-radius: 8px;
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  z-index: 1000;
}

/* Remove the default outline on the main landmark when programmatically
   focused (after skip-link click) — but keep keyboard focus visible. */
main:focus { outline: none; }
main:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }

:root {
  --bg-from: #0f172a;
  --bg-to: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent-dark: #2563eb;
  --success: #22c55e;
  --danger: #ef4444;
  --amber: #f59e0b;
  --card-bg: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --input-bg: rgba(15, 23, 42, 0.5);
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg-from) 0%, var(--bg-to) 100%);
  background-attachment: fixed;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.lang-switch {
  display: inline-flex;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.lang-switch a,
.lang-switch .lang-btn {
  margin-left: 4px;
  font-size: 0.85rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
}
.lang-switch a.active,
.lang-switch .lang-btn.active {
  color: var(--text);
  font-weight: 600;
  border-color: var(--card-border);
}
.lang-switch .lang-btn:hover {
  color: var(--text);
}

.main {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.site-footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px;
  color: var(--muted);
  text-align: center;
}

.page-title { font-size: 1.6rem; margin: 16px 0 4px; }
.subtitle { color: var(--muted); margin-top: 0; }
.muted { color: var(--muted); }
.center { text-align: center; }

.flash-messages {
  max-width: 720px;
  margin: 8px auto 0;
  padding: 0 16px;
  list-style: none;
}
.flash {
  padding: 10px 14px;
  margin-bottom: 8px;
  border-radius: 8px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
}
.flash-warning { border-color: var(--amber); color: var(--amber); }
.flash-error { border-color: var(--danger); color: var(--danger); }
.flash-success { border-color: var(--success); color: var(--success); }

.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin: 12px 0;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
}
.alert-warning { border-color: var(--amber); }
.alert-error { border-color: var(--danger); }

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 20px;
  margin: 16px 0;
}

.progress {
  display: flex;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 16px 0 8px;
  font-size: 0.8rem;
  color: var(--muted);
  flex-wrap: wrap;
}
.progress-step {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
}
.progress-step.is-done { color: var(--text); }
.progress-step.is-current { border-color: var(--accent); color: var(--accent); }
.progress-num {
  display: inline-flex;
  width: 20px; height: 20px;
  align-items: center; justify-content: center;
  border-radius: 999px;
  background: var(--card-bg);
  font-weight: 600;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  line-height: 1.2;
  /* transition gated by prefers-reduced-motion below. */
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); text-decoration: none; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--card-border);
}
.btn-secondary:hover { background: var(--card-bg); text-decoration: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.08); text-decoration: none; }
.btn-lg { padding: 14px 24px; font-size: 1.05rem; }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Global high-contrast focus ring for keyboard users (WCAG 2.4.7). The
   bare :focus styles above remain as a legacy fallback for browsers that
   don't yet honour :focus-visible. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.actions-secondary { justify-content: flex-start; }

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

/* Service picker */
.service-group { margin-top: 24px; }
.service-group-title { font-size: 1rem; color: var(--muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.service-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.service-card { }
.service-card label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  cursor: pointer;
}
.service-card input[type="radio"] { margin-top: 3px; accent-color: var(--accent); }
.service-card label:hover { border-color: var(--accent); }
.service-card input:checked + .service-card-body { }
.service-card-body { display: grid; gap: 2px; width: 100%; }
.service-name { font-weight: 600; }
.service-duration, .service-price { color: var(--muted); font-size: 0.9rem; }
.service-price { color: var(--text); font-variant-numeric: tabular-nums; }
.service-desc { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }

/* Slot grid */
.day-group { margin-top: 20px; }
.day-label { font-size: 1rem; margin: 0 0 8px; color: var(--muted); text-transform: capitalize; }
.slot-row {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.slot-form { margin: 0; }
.slot-btn {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  display: grid;
  gap: 2px;
  min-width: 88px;
}
.slot-btn:hover { border-color: var(--accent); }
.slot-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.slot-time { font-weight: 600; font-variant-numeric: tabular-nums; }
.slot-staff { color: var(--muted); font-size: 0.75rem; }
.empty-state { padding: 24px; text-align: center; }

/* Forms */
.form-card { padding: 20px; }
.form-row { margin-bottom: 14px; display: grid; gap: 6px; }
.form-row label { font-size: 0.9rem; color: var(--muted); }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  font: inherit;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}
.form-row-check .check-label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text);
}
.check-label input[type="checkbox"] { margin-top: 4px; accent-color: var(--accent); }
.field-error { color: var(--danger); font-size: 0.85rem; margin: 0; }

/* Summary card */
.summary-card { padding: 20px; }
.summary { margin: 0; }
.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--card-border);
}
.summary-row:last-child { border-bottom: none; }
.summary-row dt { color: var(--muted); }
.summary-row dd { margin: 0; text-align: right; }
.summary-total dt, .summary-total dd { font-weight: 700; font-size: 1.1rem; }

/* Status pills */
.pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255,255,255,0.05);
  border: 1px solid currentColor;
}
.pill-pending { color: var(--amber); }
.pill-approved { color: var(--success); }
.pill-completed { color: #60a5fa; }
.pill-cancelled { color: var(--muted); }
.pill-no_show, .pill-rejected { color: var(--danger); }
.pill-muted { color: var(--muted); }
.pill .pill-icon {
  display: inline-block;
  margin-right: 4px;
  font-weight: 700;
}
.status-row { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }

/* Cancel-confirmation warning (paired with aria-describedby on the button). */
.cancel-warning {
  margin: 12px 0 0;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--danger);
  background: rgba(239, 68, 68, 0.08);
  color: var(--text);
  font-size: 0.9rem;
}

/* Spinner for the redirect page. Animation is gated behind the
   prefers-reduced-motion media query so users who opted out get a
   static ring instead of a continuous rotation (WCAG 2.3.3). */
.spinner {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 3px solid var(--card-border);
  border-top-color: var(--accent);
  margin: 16px auto;
}
@media (prefers-reduced-motion: no-preference) {
  .spinner {
    animation: spin 0.9s linear infinite;
  }
  .btn {
    transition: background-color 0.15s ease;
  }
}
@keyframes spin { to { transform: rotate(360deg); } }