/* ═══════════════════════════════════════════════════════════════════
   RDO Paddle Booking — Frontend Styles v3
   Customisable via CSS variables (or shortcode atts)
   ═══════════════════════════════════════════════════════════════════ */

/* ── Design tokens ─────────────────────────────────────────────── */
:root {
  --rdo-pcb-primary:    #2563eb;
  --rdo-pcb-secondary:  #7c3aed;
  --rdo-pcb-accent:     #0ea5e9;
  --rdo-pcb-success:    #16a34a;
  --rdo-pcb-danger:     #dc2626;
  --rdo-pcb-warn:       #d97706;
  --rdo-pcb-text:       #111827;
  --rdo-pcb-text-2:     #6b7280;
  --rdo-pcb-border:     #e5e7eb;
  --rdo-pcb-bg:         #f9fafb;
  --rdo-pcb-surface:    #ffffff;
  --rdo-pcb-radius-sm:  6px;
  --rdo-pcb-radius:     12px;
  --rdo-pcb-radius-lg:  18px;
  --rdo-pcb-shadow:     0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --rdo-pcb-shadow-md:  0 4px 24px rgba(0,0,0,.12);
  --rdo-pcb-grad:       linear-gradient(135deg, var(--rdo-pcb-primary), var(--rdo-pcb-secondary));
  --rdo-pcb-font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --rdo-pcb-transition: 180ms ease;
}

/* ── Wrapper ────────────────────────────────────────────────────── */
.rdo-pcb-wrap {
  font-family: var(--rdo-pcb-font);
  font-size: 15px;
  color: var(--rdo-pcb-text);
  line-height: 1.55;
  max-width: 680px;
  margin: 32px auto;
}
.rdo-pcb-wrap *, .rdo-pcb-wrap *::before, .rdo-pcb-wrap *::after {
  box-sizing: border-box;
}

/* ── Stepper card ───────────────────────────────────────────────── */
.rdo-pcb-stepper {
  background: var(--rdo-pcb-surface);
  border-radius: var(--rdo-pcb-radius-lg);
  box-shadow: var(--rdo-pcb-shadow);
  overflow: hidden;
}

/* ── Step indicators ────────────────────────────────────────────── */
.rdo-pcb-steps {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--rdo-pcb-bg);
  border-bottom: 1px solid var(--rdo-pcb-border);
}
.rdo-pcb-steps__item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--rdo-pcb-text-2);
  border-bottom: 3px solid transparent;
  transition: all var(--rdo-pcb-transition);
  position: relative;
}
.rdo-pcb-steps__item--active {
  color: var(--rdo-pcb-primary);
  border-bottom-color: var(--rdo-pcb-primary);
  background: var(--rdo-pcb-surface);
}
.rdo-pcb-steps__item--done  { color: var(--rdo-pcb-success); }
.rdo-pcb-steps__num {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--rdo-pcb-border);
  color: var(--rdo-pcb-text-2);
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.rdo-pcb-steps__item--active .rdo-pcb-steps__num {
  background: var(--rdo-pcb-primary); color: #fff;
}
.rdo-pcb-steps__item--done .rdo-pcb-steps__num {
  background: var(--rdo-pcb-success); color: #fff;
}
.rdo-pcb-steps__num::before {
  .rdo-pcb-steps__item--done & { content: '✓'; }
}

/* ── Step body ──────────────────────────────────────────────────── */
.rdo-pcb-step { padding: 28px 32px 32px; }
.rdo-pcb-step[hidden] { display: none; }
.rdo-pcb-step__title {
  font-size: 18px; font-weight: 700;
  color: var(--rdo-pcb-text);
  margin: 0 0 20px;
}

/* ── Summary bar ────────────────────────────────────────────────── */
.rdo-pcb-summary-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, rgba(37,99,235,.06), rgba(124,58,237,.06));
  border: 1px solid rgba(37,99,235,.15);
  border-radius: var(--rdo-pcb-radius-sm);
  padding: 10px 16px;
  margin-bottom: 24px;
  font-size: 14px;
  font-weight: 500;
  flex-wrap: wrap;
}
.rdo-pcb-summary-bar__icon { font-size: 20px; }
.rdo-pcb-summary-bar__change {
  margin-left: auto;
  background: none; border: none; cursor: pointer;
  color: var(--rdo-pcb-primary);
  font-size: 13px; font-weight: 600;
  text-decoration: underline;
  padding: 0;
}

/* ── Fields ─────────────────────────────────────────────────────── */
.rdo-pcb-field {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 20px;
}
.rdo-pcb-field--full { grid-column: 1 / -1; }
.rdo-pcb-field--toggle {
  flex-direction: row;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--rdo-pcb-bg);
  border: 1px solid var(--rdo-pcb-border);
  border-radius: var(--rdo-pcb-radius-sm);
}
.rdo-pcb-label {
  font-size: 13px; font-weight: 600;
  color: var(--rdo-pcb-text);
}
.rdo-pcb-req   { color: var(--rdo-pcb-danger); margin-left: 2px; }
.rdo-pcb-optional { font-weight: 400; color: var(--rdo-pcb-text-2); font-size: 12px; }
.rdo-pcb-hint  { font-size: 12px; color: var(--rdo-pcb-text-2); }
.rdo-pcb-err   { font-size: 12px; color: var(--rdo-pcb-danger); min-height: 1.4em; }

/* ── RGPD checkbox ──────────────────────────────────────────────── */
.rdo-pcb-field--gdpr {
  margin-top: 4px;
}
.rdo-pcb-gdpr-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--rdo-pcb-text);
  line-height: 1.5;
}
.rdo-pcb-gdpr-label input[type="checkbox"] {
  flex-shrink: 0;
  width: 17px;
  height: 17px;
  margin-top: 2px;
  accent-color: var(--rdo-pcb-primary);
  cursor: pointer;
}
.rdo-pcb-gdpr-link {
  color: var(--rdo-pcb-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.rdo-pcb-gdpr-link:hover {
  opacity: 0.8;
}
.rdo-pcb-field--gdpr .rdo-pcb-err {
  margin-top: 4px;
  padding-left: 27px;
}
.rdo-pcb-field--gdpr.is-gdpr-invalid .rdo-pcb-gdpr-label {
  color: var(--rdo-pcb-danger);
}
.rdo-pcb-field--gdpr.is-gdpr-invalid .rdo-pcb-gdpr-label input[type="checkbox"] {
  outline: 2px solid var(--rdo-pcb-danger);
  outline-offset: 1px;
  border-radius: 2px;
}
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0; }

/* Inputs */
.rdo-pcb-field input[type=text],
.rdo-pcb-field input[type=email],
.rdo-pcb-field input[type=tel],
.rdo-pcb-field textarea {
  padding: 10px 14px;
  border: 1.5px solid var(--rdo-pcb-border);
  border-radius: var(--rdo-pcb-radius-sm);
  font-size: 15px; font-family: inherit;
  color: var(--rdo-pcb-text);
  background: var(--rdo-pcb-surface);
  transition: border-color var(--rdo-pcb-transition), box-shadow var(--rdo-pcb-transition);
  width: 100%;
}
.rdo-pcb-field input:focus,
.rdo-pcb-field textarea:focus,
.rdo-pcb-field select:focus {
  outline: none;
  border-color: var(--rdo-pcb-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.14);
}
.rdo-pcb-field input:focus-visible,
.rdo-pcb-field textarea:focus-visible,
.rdo-pcb-select-wrap select:focus-visible {
  outline: 3px solid var(--rdo-pcb-primary);
  outline-offset: 2px;
}
.rdo-pcb-field input.is-invalid,
.rdo-pcb-field textarea.is-invalid {
  border-color: var(--rdo-pcb-danger);
  background: #fff5f5;
}
.rdo-pcb-field input.is-invalid:focus,
.rdo-pcb-field textarea.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220,38,38,.14);
}
textarea.rdo-pcb-field { resize: vertical; min-height: 88px; }

/* Select wrapper */
.rdo-pcb-select-wrap { position: relative; }
.rdo-pcb-select-wrap select {
  width: 100%;
  padding: 10px 38px 10px 14px;
  border: 1.5px solid var(--rdo-pcb-border);
  border-radius: var(--rdo-pcb-radius-sm);
  font-size: 15px; font-family: inherit;
  color: var(--rdo-pcb-text);
  background: var(--rdo-pcb-surface);
  appearance: none;
  cursor: pointer;
  transition: border-color var(--rdo-pcb-transition);
}
.rdo-pcb-select-arrow {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  pointer-events: none; color: var(--rdo-pcb-text-2); font-size: 12px;
}

/* Form grid */
.rdo-pcb-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}

/* ── Toggle switch ───────────────────────────────────────────────── */
.rdo-pcb-toggle {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; user-select: none;
}
.rdo-pcb-toggle input { position: absolute; width: 0; height: 0; opacity: 0; }
.rdo-pcb-toggle__track {
  position: relative; width: 44px; height: 24px;
  background: var(--rdo-pcb-border);
  border-radius: 12px;
  transition: background var(--rdo-pcb-transition);
  flex-shrink: 0;
}
.rdo-pcb-toggle input:checked ~ .rdo-pcb-toggle__track {
  background: var(--rdo-pcb-primary);
}
.rdo-pcb-toggle__thumb {
  position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%; background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
  transition: transform var(--rdo-pcb-transition);
}
.rdo-pcb-toggle input:checked ~ .rdo-pcb-toggle__track .rdo-pcb-toggle__thumb {
  transform: translateX(20px);
}
.rdo-pcb-toggle input:focus-visible ~ .rdo-pcb-toggle__track {
  outline: 3px solid var(--rdo-pcb-primary); outline-offset: 2px;
}
.rdo-pcb-toggle__label { font-size: 14px; font-weight: 500; }
.rdo-pcb-toggle__yes { display: none; color: var(--rdo-pcb-primary); }
.rdo-pcb-toggle input:checked ~ .rdo-pcb-toggle__label .rdo-pcb-toggle__no  { display: none; }
.rdo-pcb-toggle input:checked ~ .rdo-pcb-toggle__label .rdo-pcb-toggle__yes { display: inline; }

/* ── Day picker ─────────────────────────────────────────────────── */
.rdo-pcb-wrap { width: 100%; box-sizing: border-box; }
.rdo-pcb-days {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 8px;
  width: 100%;
}
.rdo-pcb-day-btn {
  display: flex; flex-direction: column; align-items: center;
  width: 100%; min-width: 0; padding: 10px 6px 8px;
  background: var(--rdo-pcb-bg);
  border: 1.5px solid var(--rdo-pcb-border);
  border-radius: var(--rdo-pcb-radius-sm);
  cursor: pointer;
  font-family: inherit;
  transition: all var(--rdo-pcb-transition);
  color: var(--rdo-pcb-text);
}
.rdo-pcb-day-btn:hover {
  border-color: var(--rdo-pcb-primary);
  background: var(--rdo-pcb-slot-bg, rgba(0,0,0,.04));
}
.rdo-pcb-day-btn.is-active {
  background: var(--rdo-pcb-primary);
  border-color: var(--rdo-pcb-primary);
  color: #fff;
  box-shadow: 0 2px 12px var(--rdo-pcb-slot-shadow, rgba(0,0,0,.2));
}
.rdo-pcb-day-btn:focus-visible {
  outline: 3px solid var(--rdo-pcb-primary); outline-offset: 2px;
}
.rdo-pcb-day-btn__dow { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.rdo-pcb-day-btn__num { font-size: 22px; font-weight: 800; line-height: 1.1; margin: 2px 0; }
.rdo-pcb-day-btn__mon { font-size: 11px; opacity: .75; }

/* ── Slot picker ────────────────────────────────────────────────── */
.rdo-pcb-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 8px;
  margin-top: 4px;
  width: 100%;
}
.rdo-pcb-slot-btn {
  display: flex; flex-direction: column; align-items: center;
  padding: 10px 18px;
  background: var(--rdo-pcb-slot-bg, rgba(0,0,0,.04));
  border: 1.5px solid var(--rdo-pcb-slot-border, rgba(0,0,0,.15));
  border-radius: var(--rdo-pcb-radius-sm);
  cursor: pointer;
  font-family: inherit;
  color: var(--rdo-pcb-primary);
  transition: all var(--rdo-pcb-transition);
}
.rdo-pcb-slot-btn:hover {
  background: var(--rdo-pcb-primary);
  border-color: var(--rdo-pcb-primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--rdo-pcb-slot-shadow, rgba(0,0,0,.2));
}
.rdo-pcb-slot-btn.is-active {
  background: var(--rdo-pcb-primary);
  border-color: var(--rdo-pcb-primary);
  color: #fff;
  box-shadow: 0 4px 16px var(--rdo-pcb-slot-shadow, rgba(0,0,0,.25));
}
.rdo-pcb-slot-btn:focus-visible {
  outline: 3px solid var(--rdo-pcb-primary); outline-offset: 2px;
}
.rdo-pcb-slot-btn__time { font-size: 15px; font-weight: 700; }
.rdo-pcb-slot-btn__dur  { font-size: 11px; opacity: .75; }

/* ── Skeleton loaders ───────────────────────────────────────────── */
.rdo-pcb-skeleton-row { display: flex; flex-wrap: wrap; gap: 8px; }
.rdo-pcb-skeleton {
  width: 64px; height: 72px;
  border-radius: var(--rdo-pcb-radius-sm);
  background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: rdo-shimmer 1.4s infinite;
}
.rdo-pcb-skeleton--slot { width: 88px; height: 56px; }
@keyframes rdo-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── Buttons ────────────────────────────────────────────────────── */
.rdo-pcb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px;
  border: none; border-radius: var(--rdo-pcb-radius-sm);
  font-size: 15px; font-weight: 600; font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--rdo-pcb-transition);
  white-space: nowrap;
}
.rdo-pcb-btn--primary {
  background: var(--rdo-pcb-grad);
  color: #fff;
  box-shadow: 0 2px 10px rgba(37,99,235,.25);
}
.rdo-pcb-btn--primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,.4);
}
.rdo-pcb-btn--primary:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.rdo-pcb-btn--primary.is-loading .rdo-pcb-btn__text { display: none; }
.rdo-pcb-btn--primary.is-loading .rdo-pcb-btn__spinner { display: block; }
.rdo-pcb-btn__spinner {
  display: none; width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: rdo-spin .7s linear infinite;
}
.rdo-pcb-btn--ghost {
  background: transparent;
  border: 1.5px solid var(--rdo-pcb-border);
  color: var(--rdo-pcb-text-2);
}
.rdo-pcb-btn--ghost:hover { border-color: var(--rdo-pcb-primary); color: var(--rdo-pcb-primary); }
.rdo-pcb-btn:focus-visible { outline: 3px solid var(--rdo-pcb-primary); outline-offset: 2px; }
@keyframes rdo-spin { to { transform: rotate(360deg); } }

.rdo-pcb-form__actions {
  display: flex; align-items: center; gap: 12px;
  margin-top: 24px; flex-wrap: wrap;
}
.rdo-pcb-form__actions .rdo-pcb-btn--primary { flex: 1; }
.rdo-pcb-step__actions { margin-top: 28px; }

/* ── Notices ────────────────────────────────────────────────────── */
.rdo-pcb-notice {
  padding: 14px 18px;
  border-radius: var(--rdo-pcb-radius-sm);
  font-size: 14px; font-weight: 500;
  margin: 16px 0;
}
.rdo-pcb-notice--success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.rdo-pcb-notice--error   { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.rdo-pcb-notice--info    { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

.rdo-pcb-empty { color: var(--rdo-pcb-text-2); font-size: 14px; margin: 4px 0; }
.rdo-pcb-empty--error { color: var(--rdo-pcb-danger); }

/* ── Success screen ─────────────────────────────────────────────── */
.rdo-pcb-success {
  text-align: center; padding: 20px 0 8px;
}
.rdo-pcb-success__icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--rdo-pcb-grad);
  color: #fff; font-size: 28px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 20px rgba(37,99,235,.3);
}
.rdo-pcb-success__email {
  color: var(--rdo-pcb-text-2); font-size: 14px; margin: 12px 0 24px;
}

/* ── reCAPTCHA note ─────────────────────────────────────────────── */
.rdo-pcb-recaptcha-note {
  font-size: 11px; color: var(--rdo-pcb-text-2);
  text-align: center; margin-top: 8px;
}
.rdo-pcb-recaptcha-note a { color: var(--rdo-pcb-text-2); }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 640px) {
  /* Ensure the stepper and field containers use full width */
  .rdo-pcb-wrap,
  .rdo-pcb-stepper,
  .rdo-pcb-step,
  .rdo-pcb-field { width: 100%; box-sizing: border-box; }

  /* On small screens tighten the grid columns */
  .rdo-pcb-days {
    grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
    gap: 6px;
  }
  .rdo-pcb-day-btn { min-width: 0; max-width: none; }

  .rdo-pcb-slots {
    grid-template-columns: repeat(auto-fill, minmax(68px, 1fr));
    gap: 6px;
  }
  .rdo-pcb-slot-btn {
    min-width: 0;
    max-width: none;
    padding: 10px 4px;
  }
}

@media (max-width: 560px) {
  .rdo-pcb-step { padding: 20px 18px 24px; }
  .rdo-pcb-form__grid { grid-template-columns: 1fr; }
  .rdo-pcb-field--full { grid-column: auto; }
  .rdo-pcb-steps__label { display: none; }
  .rdo-pcb-form__actions { flex-direction: column-reverse; }
  .rdo-pcb-form__actions .rdo-pcb-btn { width: 100%; }
}

/* ── Dark mode ───────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --rdo-pcb-text:        #f3f4f6;
    --rdo-pcb-text-2:      #9ca3af;
    --rdo-pcb-border:      #374151;
    --rdo-pcb-bg:          #1f2937;
    --rdo-pcb-surface:     #111827;
    /* Slot buttons in dark mode — use a light tint so they're visible
       regardless of how dark the primary colour is */
    --rdo-pcb-slot-bg:     rgba(255,255,255,.06);
    --rdo-pcb-slot-border: rgba(255,255,255,.18);
    --rdo-pcb-slot-shadow: rgba(0,0,0,.45);
  }
  .rdo-pcb-field input, .rdo-pcb-field textarea, .rdo-pcb-select-wrap select {
    background: #1f2937; color: #f3f4f6;
  }
  .rdo-pcb-skeleton {
    background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
    background-size: 200% 100%;
  }
  .rdo-pcb-field input.is-invalid { background: #450a0a; }
  /* Slot button text must stay readable in dark mode when not active */
  .rdo-pcb-slot-btn {
    color: var(--rdo-pcb-primary);
    /* Ensure label is always visible even if primary is very dark */
    filter: brightness(1.4);
  }
  .rdo-pcb-slot-btn:hover,
  .rdo-pcb-slot-btn.is-active {
    filter: none;
    color: #fff;
  }
  /* Day buttons in dark mode */
  .rdo-pcb-day-btn {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.15);
    color: var(--rdo-pcb-text);
  }
  .rdo-pcb-day-btn:hover,
  .rdo-pcb-day-btn.is-active {
    background: var(--rdo-pcb-primary);
    border-color: var(--rdo-pcb-primary);
    color: #fff;
    filter: none;
  }
  /* Summary bar */
  .rdo-pcb-summary-bar {
    background: rgba(255,255,255,.05);
    border-color: rgba(255,255,255,.12);
  }
  /* Notices */
  .rdo-pcb-notice--error   { background: #450a0a; color: #fca5a5; }
  .rdo-pcb-notice--success { background: #052e16; color: #86efac; }
}

/* ── Iconify integration ─────────────────────────────────────── */
.rdo-pcb-summary-bar__icon iconify-icon {
  font-size: 22px;
  display: block;
  color: var(--rdo-pcb-primary, #ee0033);
}

/* ── Cancel / Edit page specific ────────────────────────────────── */
.rdo-pcb-btn--danger {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}
.rdo-pcb-btn--danger:hover,
.rdo-pcb-btn--danger:focus-visible {
  background: #b91c1c;
  border-color: #b91c1c;
}
.rdo-pcb-step__actions--split {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.rdo-pcb-cancel-question {
  font-size: 15px;
  font-weight: 500;
  margin: 20px 0 6px;
  color: var(--rdo-pcb-text);
}
.rdo-pcb-cancel-warn {
  font-size: 13px;
  color: var(--rdo-pcb-text-2);
  margin: 0 0 4px;
}