/* ==========================================================================
   📅 CALENDAR INTEGRATION (GOOGLE, APPLE & OUTLOOK ICS) STYLES
   ========================================================================== */

.cal-modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: calFadeIn 0.2s ease-out;
}

.cal-modal-backdrop.open,
body.cal-modal-open .cal-modal-backdrop {
  display: flex !important;
}

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

.cal-modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  animation: calSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes calSlideUp {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.cal-modal-header {
  padding: 1.5rem 1.75rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  background: linear-gradient(135deg, var(--bg-subtle) 0%, var(--bg-surface) 100%);
}

.cal-modal-header h3 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cal-modal-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
  line-height: 1.45;
}

.cal-modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  border-radius: 4px;
}

.cal-modal-close-btn:hover {
  color: var(--text-main);
}

.cal-modal-body {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Time & Date Configuration Grid */
.cal-config-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cal-config-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 520px) {
  .cal-config-row {
    grid-template-columns: 1fr;
  }
}

.cal-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.cal-input-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.cal-input-control {
  padding: 0.55rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.92rem;
  font-family: inherit;
  outline: none;
}

.cal-input-control:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(31, 92, 63, 0.15);
}

/* Preset Time Chips */
.cal-preset-chips {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.cal-preset-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.cal-preset-chip:hover {
  background: var(--bg-subtle);
  color: var(--text-main);
  border-color: var(--brand-primary);
}

.cal-preset-chip.active {
  background: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
}

/* Sync Options Cards */
.cal-options-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cal-option-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.cal-option-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}

.cal-option-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.cal-option-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cal-option-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.cal-actions-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-cal-action {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.15s ease;
}

.btn-cal-action:hover {
  background: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
  transform: translateY(-1px);
}

.btn-cal-action.btn-google {
  background: #ffffff;
  color: #1f2937;
  border-color: #cbd5e1;
}

.btn-cal-action.btn-google:hover {
  background: #4285f4;
  color: #ffffff;
  border-color: #4285f4;
}

.btn-cal-primary {
  background: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
}

.btn-cal-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.cal-note-box {
  background: #fffbeb;
  border: 1px solid #fef08a;
  border-left: 4px solid var(--brand-gold);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  color: #854d0e;
  line-height: 1.45;
}

[data-theme="dark"] .cal-note-box {
  background: rgba(181, 83, 9, 0.12);
  border-color: rgba(181, 83, 9, 0.25);
  color: #fef08a;
}