/**
 * WP Booking Plugin — Frontend Stylesheet
 *
 * Design system built on CSS custom properties (--appointly-*) so that any
 * WordPress theme can coexist without collisions.  Admin-defined
 * primary_color / accent_color are applied as inline style overrides
 * from JS at runtime.
 *
 * @package  WPBookingPlugin
 * @since    1.0.0
 */

/* ==========================================================================
   1. Design Tokens (Custom Properties)
   ========================================================================== */

:root {
  /* Colors */
  --appointly-primary: #0284C7;
  --appointly-primary-light: rgba(2, 132, 199, 0.1);
  --appointly-primary-hover: rgba(2, 132, 199, 0.15);
  --appointly-accent: #059669;
  --appointly-accent-light: rgba(5, 150, 105, 0.1);
  --appointly-warning: #F59E0B;
  --appointly-warning-light: rgba(245, 158, 11, 0.15);
  --appointly-danger: #DC2626;
  --appointly-danger-light: rgba(220, 38, 38, 0.1);
  --appointly-bg: #F8FAFC;
  --appointly-card-bg: #FFFFFF;
  --appointly-text: #0F172A;
  --appointly-text-muted: #64748B;
  --appointly-border: #E2E8F0;
  --appointly-radius: 8px;
  --appointly-radius-lg: 12px;
  --appointly-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --appointly-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --appointly-font: inherit;
  --appointly-transition: 200ms ease;

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

/* ==========================================================================
   2. Dark Mode
   ========================================================================== */

/* Auto mode: only apply dark when device prefers it */
@media (prefers-color-scheme: dark) {
  .appointly-calendar:not([data-appointly-theme="light"]) {
    --appointly-bg: #0F172A;
    --appointly-card-bg: #1E293B;
    --appointly-text: #F0F4F8;
    --appointly-text-muted: #94A3B8;
    --appointly-border: #334155;
    --appointly-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --appointly-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.4);
    --appointly-primary-light: rgba(2, 132, 199, 0.2);
    --appointly-accent-light: rgba(5, 150, 105, 0.2);
    --appointly-warning-light: rgba(245, 158, 11, 0.25);
    --appointly-danger-light: rgba(220, 38, 38, 0.2);
  }
}

/* Forced dark mode */
.appointly-calendar[data-appointly-theme="dark"] {
    --appointly-bg: #0F172A;
    --appointly-card-bg: #1E293B;
    --appointly-text: #F0F4F8;
    --appointly-text-muted: #94A3B8;
    --appointly-border: #334155;
    --appointly-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --appointly-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.4);
    --appointly-primary-light: rgba(2, 132, 199, 0.2);
    --appointly-accent-light: rgba(5, 150, 105, 0.2);
    --appointly-warning-light: rgba(245, 158, 11, 0.25);
    --appointly-danger-light: rgba(220, 38, 38, 0.2);
}

/* ==========================================================================
   3. Layout — Outer Container
   ========================================================================== */

.appointly-calendar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--appointly-sp-2xl);
  font-family: var(--appointly-font);
  color: var(--appointly-text);
  box-sizing: border-box;
  max-width: 100%;
}

.appointly-calendar *,
.appointly-calendar *::before,
.appointly-calendar *::after {
  box-sizing: border-box;
}

@media (max-width: 900px) {
  .appointly-calendar {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   4. Calendar Grid
   ========================================================================== */

/* --- Card wrapper --- */
.appointly-cal {
  background: var(--appointly-card-bg);
  border-radius: var(--appointly-radius-lg);
  padding: var(--appointly-sp-lg);
  box-shadow: var(--appointly-shadow);
  min-width: 0;
  overflow: hidden;
}

/* --- Header (month title + nav arrows) --- */
.appointly-cal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--appointly-sp-md);
}

.appointly-cal__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--appointly-text);
}

.appointly-cal__nav {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--appointly-border);
  color: var(--appointly-text);
  font-size: 1rem;
  transition: background var(--appointly-transition), border-color var(--appointly-transition);
}

.appointly-cal__nav:hover {
  background: var(--appointly-primary-light);
  border-color: var(--appointly-primary);
}

/* --- Weekday labels --- */
.appointly-cal__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--appointly-text-muted);
  text-transform: uppercase;
  padding: var(--appointly-sp-sm) 0;
}

/* --- Day grid --- */
.appointly-cal__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  padding: 4px;
}

/* --- Individual day cell --- */
.appointly-cal__day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--appointly-radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--appointly-transition);
  cursor: default;
  position: relative;
  border: 2px solid transparent;
}

/* Empty placeholder cells */
.appointly-cal__day--empty {
  visibility: hidden;
}

/* Past dates */
.appointly-cal__day--past {
  opacity: 0.35;
  color: var(--appointly-text-muted);
}

/* Too-soon dates (within lead-time window) */
.appointly-cal__day--too-soon {
  opacity: 0.5;
  color: var(--appointly-text-muted);
}

/* Today */
.appointly-cal__day--today {
  border-color: var(--appointly-primary);
  font-weight: 700;
}

/* Free / available */
.appointly-cal__day--free {
  background: var(--appointly-accent-light);
  color: var(--appointly-accent);
  cursor: pointer;
}

.appointly-cal__day--free:hover {
  background: var(--appointly-accent);
  color: white;
  transform: scale(1.08);
  box-shadow: var(--appointly-shadow);
}

.appointly-cal__day--free.is-selected {
  background: var(--appointly-primary);
  color: white;
  transform: scale(1.08);
  box-shadow: var(--appointly-shadow-lg);
}

/* Pending — still clickable (can still be booked) */
.appointly-cal__day--pending {
  background: var(--appointly-warning-light);
  color: #B45309;
  cursor: pointer;
}

.appointly-cal__day--pending:hover {
  background: var(--appointly-warning);
  color: white;
  transform: scale(1.08);
  box-shadow: var(--appointly-shadow);
}

.appointly-cal__day--pending.is-selected {
  background: var(--appointly-primary);
  color: white;
  transform: scale(1.08);
  box-shadow: var(--appointly-shadow-lg);
}

/* Booked — clickable with warning */
.appointly-cal__day--booked {
  background: var(--appointly-danger-light);
  color: var(--appointly-danger);
  cursor: pointer;
}

.appointly-cal__day--booked:hover {
  background: var(--appointly-danger);
  color: white;
  transform: scale(1.08);
  box-shadow: var(--appointly-shadow);
}

.appointly-cal__day--booked.is-selected {
  background: var(--appointly-primary);
  color: white;
  transform: scale(1.08);
  box-shadow: var(--appointly-shadow-lg);
}

/* Date range — in-between days */
.appointly-cal__day.is-in-range {
  background: var(--appointly-primary-light);
  color: var(--appointly-primary);
  border-radius: 0;
}

.appointly-cal__day.is-selected + .appointly-cal__day.is-in-range {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Blocked — not clickable */
.appointly-cal__day--blocked {
  background: var(--appointly-danger-light);
  color: var(--appointly-danger);
  cursor: not-allowed;
  text-decoration: line-through;
}

/* --- Legend --- */
.appointly-cal__legend {
  display: flex;
  justify-content: center;
  gap: var(--appointly-sp-lg);
  padding-top: var(--appointly-sp-md);
  font-size: 0.8rem;
  color: var(--appointly-text-muted);
}

.appointly-cal__legend-item {
  display: flex;
  align-items: center;
  gap: var(--appointly-sp-xs);
}

.appointly-cal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.appointly-cal__dot--free {
  background: var(--appointly-accent);
}

.appointly-cal__dot--pending {
  background: var(--appointly-warning);
}

.appointly-cal__dot--booked {
  background: var(--appointly-danger);
}

.appointly-cal__hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--appointly-text-muted);
  margin-top: var(--appointly-sp-sm);
  font-style: italic;
}

.appointly-form__base-price {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--appointly-sp-sm) var(--appointly-sp-md);
  margin-top: var(--appointly-sp-md);
  background: var(--appointly-primary-light);
  border-radius: var(--appointly-radius);
  font-size: 0.9rem;
  color: var(--appointly-text);
}

.appointly-form__base-price-amount {
  font-weight: 600;
  color: var(--appointly-primary);
}

/* ==========================================================================
   5. Slot Picker (timeslot mode)
   ========================================================================== */

.appointly-cal__slots {
  padding: var(--appointly-sp-md) 0;
}

.appointly-cal__slots-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--appointly-sp-sm);
}

.appointly-cal__slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--appointly-sp-sm);
}

.appointly-cal__slot {
  padding: var(--appointly-sp-sm) var(--appointly-sp-md);
  border-radius: var(--appointly-radius);
  border: 1px solid var(--appointly-border);
  text-align: center;
  font-size: 0.85rem;
  transition: all var(--appointly-transition);
}

.appointly-cal__slot--available {
  cursor: pointer;
}

.appointly-cal__slot--available:hover {
  border-color: var(--appointly-primary);
  background: var(--appointly-primary-light);
}

.appointly-cal__slot--available.is-selected {
  background: var(--appointly-primary);
  color: white;
  border-color: var(--appointly-primary);
}

.appointly-cal__slot--taken {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* ==========================================================================
   6. Service Selector
   ========================================================================== */

.appointly-cal__service-select {
  margin-bottom: var(--appointly-sp-md);
}

.appointly-cal__service-select select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--appointly-border);
  border-radius: var(--appointly-radius);
  background: var(--appointly-card-bg);
  color: var(--appointly-text);
  font-size: 0.95rem;
  font-family: var(--appointly-font);
}

/* ==========================================================================
   7. Booking Form
   ========================================================================== */

/* --- Card wrapper --- */
.appointly-form {
  background: var(--appointly-card-bg);
  border-radius: var(--appointly-radius-lg);
  padding: var(--appointly-sp-lg);
  box-shadow: var(--appointly-shadow);
  min-width: 0;
  overflow: hidden;
}

/* --- Placeholder (no date selected) --- */
.appointly-form__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--appointly-sp-2xl) var(--appointly-sp-lg);
  text-align: center;
}

.appointly-form__placeholder-icon {
  width: 64px;
  height: 64px;
  opacity: 0.3;
  margin-bottom: var(--appointly-sp-md);
}

.appointly-form__placeholder-text {
  color: var(--appointly-text-muted);
  font-size: 0.95rem;
}

/* --- Form content (shown when date selected) --- */
.appointly-form__content {
  display: none;
  animation: appointly-slide-in 300ms ease;
}

.appointly-form__content.is-visible {
  display: block;
}

/* --- Form header --- */
.appointly-form__header {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--appointly-sp-lg);
}

.appointly-form__description {
  font-size: 0.9rem;
  color: var(--appointly-text-muted);
  margin: calc(-0.5 * var(--appointly-sp-lg)) 0 var(--appointly-sp-lg) 0;
  line-height: 1.5;
}

/* --- Row (two-column fields) --- */
.appointly-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--appointly-sp-md);
}

@media (max-width: 480px) {
  .appointly-form__row {
    grid-template-columns: 1fr;
  }
}

/* --- Field group --- */
.appointly-form__group {
  display: flex;
  flex-direction: column;
  gap: var(--appointly-sp-xs);
  margin-bottom: var(--appointly-sp-md);
}

/* --- Label --- */
.appointly-form__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--appointly-text);
}

.appointly-form__label--required::after {
  content: " *";
  color: var(--appointly-danger);
}

/* --- Inputs, selects, textareas --- */
.appointly-form__input,
.appointly-form__select,
.appointly-form__textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--appointly-border);
  border-radius: var(--appointly-radius);
  background: var(--appointly-card-bg);
  color: var(--appointly-text);
  font-family: var(--appointly-font);
  font-size: 0.95rem;
  transition: border-color var(--appointly-transition);
}

.appointly-form__input:focus,
.appointly-form__select:focus,
.appointly-form__textarea:focus {
  border-color: var(--appointly-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--appointly-primary-light);
}

.appointly-form__input::placeholder,
.appointly-form__textarea::placeholder {
  color: var(--appointly-text-muted);
}

.appointly-form__textarea {
  min-height: 80px;
  resize: vertical;
}

/* --- Validation errors --- */
.appointly-form__error {
  color: var(--appointly-danger);
  font-size: 0.8rem;
  margin-top: 2px;
}

.appointly-form__field-error {
  border-color: var(--appointly-danger) !important;
}

/* ==========================================================================
   8. Addons Grid
   ========================================================================== */

.appointly-form__addons {
  margin-top: var(--appointly-sp-lg);
  padding-top: var(--appointly-sp-lg);
  border-top: 1px solid var(--appointly-border);
}

.appointly-form__addons-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--appointly-sp-md);
}

.appointly-form__addons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--appointly-sp-md);
}

@media (max-width: 480px) {
  .appointly-form__addons-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Single addon card --- */
.appointly-form__addon {
  display: flex;
  align-items: flex-start;
  gap: var(--appointly-sp-sm);
  padding: var(--appointly-sp-md);
  border: 1px solid var(--appointly-border);
  border-radius: var(--appointly-radius);
  transition: all var(--appointly-transition);
  cursor: pointer;
}

.appointly-form__addon:hover {
  border-color: var(--appointly-primary);
  background: var(--appointly-primary-light);
}

.appointly-form__addon.is-checked {
  border-color: var(--appointly-primary);
  background: var(--appointly-primary-light);
}

/* Hidden native checkbox, visually styled via the card itself */
.appointly-form__addon-checkbox {
  flex-shrink: 0;
}

.appointly-form__addon-content {
  flex: 1;
}

.appointly-form__addon-title {
  font-weight: 600;
  font-size: 0.9rem;
}

.appointly-form__addon-desc {
  font-size: 0.8rem;
  color: var(--appointly-text-muted);
  margin-top: 2px;
}

.appointly-form__addon-price {
  font-weight: 600;
  color: var(--appointly-primary);
  font-size: 0.85rem;
}

/* --- Quantity stepper --- */
.appointly-form__addon-qty {
  display: flex;
  align-items: center;
  gap: var(--appointly-sp-xs);
  margin-top: var(--appointly-sp-sm);
}

.appointly-form__addon-qty button {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--appointly-border);
  background: var(--appointly-card-bg);
  color: var(--appointly-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: all var(--appointly-transition);
}

.appointly-form__addon-qty button:hover {
  border-color: var(--appointly-primary);
  background: var(--appointly-primary-light);
}

.appointly-form__addon-qty input {
  width: 40px;
  text-align: center;
  border: 1px solid var(--appointly-border);
  border-radius: var(--appointly-radius);
  padding: 2px 4px;
  font-size: 0.85rem;
  background: var(--appointly-card-bg);
  color: var(--appointly-text);
  font-family: var(--appointly-font);
}

/* ==========================================================================
   9. Total + Submit
   ========================================================================== */

.appointly-form__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--appointly-sp-md);
  margin-top: var(--appointly-sp-lg);
  background: var(--appointly-accent-light);
  border-radius: var(--appointly-radius);
  font-weight: 600;
  font-size: 1.1rem;
}

.appointly-form__submit {
  width: 100%;
  padding: 14px;
  margin-top: var(--appointly-sp-lg);
  background: var(--appointly-primary);
  color: white;
  border: none;
  border-radius: var(--appointly-radius);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--appointly-font);
  cursor: pointer;
  transition: all var(--appointly-transition);
}

.appointly-form__submit:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.appointly-form__submit:active {
  transform: translateY(0);
}

.appointly-form__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  filter: none;
  transform: none;
}

/* Loading state */
.appointly-form__submit--loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.appointly-form__submit--loading .appointly-form__spinner {
  display: block;
}

.appointly-form__spinner {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: appointly-spin 0.6s linear infinite;
}

/* ==========================================================================
   10. Success / Error Messages
   ========================================================================== */

/* --- Inline success (inside form card) --- */
.appointly-form__success {
  text-align: center;
  padding: var(--appointly-sp-2xl) var(--appointly-sp-lg);
}

.appointly-form__success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--appointly-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--appointly-sp-md);
  font-size: 1.75rem;
}

.appointly-form__success-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--appointly-sp-sm);
}

.appointly-form__success-text {
  color: var(--appointly-text-muted);
}

/* --- Alert banner --- */
.appointly-form__alert {
  padding: var(--appointly-sp-md);
  border-radius: var(--appointly-radius);
  margin-bottom: var(--appointly-sp-md);
  font-size: 0.9rem;
}

.appointly-form__alert--error {
  background: var(--appointly-danger-light);
  color: var(--appointly-danger);
  border: 1px solid rgba(220, 38, 38, 0.2);
}

.appointly-form__alert--warning {
  background: var(--appointly-warning-light);
  color: #B45309;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   11. Response Page (confirm / decline / error)
   ========================================================================== */

.appointly-response {
  max-width: 500px;
  margin: var(--appointly-sp-2xl) auto;
  text-align: center;
  padding: var(--appointly-sp-2xl);
  background: var(--appointly-card-bg);
  color: var(--appointly-text);
  border-radius: var(--appointly-radius-lg);
  box-shadow: var(--appointly-shadow);
}

/* Explicit colors on direct children so theme styles can't override them
   into bad contrast against the card background. */
.appointly-response h2 {
  color: var(--appointly-text);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--appointly-sp-sm);
}

.appointly-response p {
  color: var(--appointly-text-muted);
  margin-bottom: var(--appointly-sp-lg);
}

.appointly-response__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--appointly-sp-lg);
}

.appointly-response--success .appointly-response__icon {
  background: var(--appointly-accent-light);
  color: var(--appointly-accent);
}

.appointly-response--declined .appointly-response__icon {
  background: var(--appointly-warning-light);
  color: var(--appointly-warning);
}

.appointly-response--error .appointly-response__icon {
  background: var(--appointly-danger-light);
  color: var(--appointly-danger);
}

.appointly-response__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--appointly-sp-sm);
}

.appointly-response__text {
  color: var(--appointly-text-muted);
  margin-bottom: var(--appointly-sp-lg);
}

.appointly-response__button {
  display: inline-block;
  padding: 12px 32px;
  background: var(--appointly-primary);
  color: white;
  border-radius: var(--appointly-radius);
  text-decoration: none;
  font-weight: 600;
  margin-top: var(--appointly-sp-lg);
  transition: all var(--appointly-transition);
}

.appointly-response__button:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* ==========================================================================
   12. Honeypot (spam protection — visually hidden)
   ========================================================================== */

.appointly-form__hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.appointly-form__group--consent {
  margin-top: 0.5rem;
}

.appointly-form__consent-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.4;
  cursor: pointer;
}

.appointly-form__consent-label input[type="checkbox"] {
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.appointly-form__consent-label a {
  color: var(--appointly-primary, #0284C7);
  text-decoration: underline;
}

/* ==========================================================================
   13. Animations
   ========================================================================== */

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

@keyframes appointly-slide-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   14. Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}