/* ═══════════════════════════════════════════════════════════
   CALENDAR — Monthly view + event management
   ═══════════════════════════════════════════════════════════ */

.calendar-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
  min-height: 600px;
}

/* ─── Calendar Grid ─── */
.calendar-main {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.calendar-nav {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.calendar-nav h2 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin: 0;
}
.calendar-nav-btns {
  display: flex;
  gap: 6px;
}
.calendar-nav-btn {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s ease;
  font-size: 0.85rem;
}
.calendar-nav-btn:hover {
  border-color: var(--accent-purple);
  color: var(--accent-purple);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-bottom: 1px solid var(--border);
}
.calendar-weekday {
  padding: 8px;
  text-align: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}
.calendar-day {
  min-height: 90px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 6px;
  cursor: pointer;
  transition: background 0.15s ease;
  position: relative;
}
.calendar-day:nth-child(7n) { border-right: none; }
.calendar-day:hover { background: rgba(168,85,247,0.05); }
.calendar-day.other-month { opacity: 0.3; }
.calendar-day.today {
  background: rgba(168,85,247,0.08);
}
.calendar-day.today .calendar-day-num {
  background: var(--accent-purple);
  color: #fff;
  border-radius: 50%;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
}
.calendar-day-num {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.calendar-day-events {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.calendar-event-dot {
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.62rem;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}
.calendar-event-dot.personal { background: rgba(168,85,247,0.7); }
.calendar-event-dot.work { background: rgba(6,182,212,0.7); }
.calendar-event-dot.health { background: rgba(34,197,94,0.7); }
.calendar-event-dot.learning { background: rgba(249,115,22,0.7); }
.calendar-event-dot.other { background: rgba(107,114,128,0.7); }

/* ─── Sidebar ─── */
.calendar-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.calendar-add-btn {
  padding: 12px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-indigo));
  border: none;
  border-radius: 12px;
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.calendar-add-btn:hover {
  box-shadow: 0 4px 16px rgba(168,85,247,0.4);
  transform: translateY(-1px);
}

.calendar-upcoming {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  flex: 1;
}
.calendar-upcoming h4 {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 12px;
}
.upcoming-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.upcoming-item {
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  border-left: 3px solid var(--accent-purple);
  cursor: pointer;
  transition: all 0.15s ease;
}
.upcoming-item:hover {
  transform: translateX(2px);
}
.upcoming-item.work { border-left-color: var(--accent-cyan); }
.upcoming-item.health { border-left-color: var(--accent-green); }
.upcoming-item.learning { border-left-color: var(--accent-orange); }
.upcoming-item-title {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
}
.upcoming-item-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
  display: flex;
  gap: 8px;
}
.upcoming-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ─── Event Modal ─── */
.event-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.2s ease;
}
.event-modal-overlay.visible {
  display: flex;
}
.event-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 400px;
  max-width: 90vw;
  padding: 24px;
  animation: modal-in 0.3s ease;
}
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.event-modal h3 {
  font-size: 1rem;
  color: var(--text-primary);
  margin: 0 0 16px;
}
.event-modal-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}
.event-modal-field label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.event-modal-field input,
.event-modal-field select,
.event-modal-field textarea {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  outline: none;
  transition: border-color 0.2s ease;
}
.event-modal-field input:focus,
.event-modal-field select:focus,
.event-modal-field textarea:focus {
  border-color: var(--accent-purple);
}
.event-modal-field select {
  cursor: pointer;
}
.event-modal-field select option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
.event-modal-btns {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}
.event-modal-save {
  flex: 1;
  padding: 10px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-indigo));
  border: none;
  border-radius: 10px;
  color: #fff;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.event-modal-save:hover {
  box-shadow: 0 4px 16px rgba(168,85,247,0.4);
}
.event-modal-cancel {
  padding: 10px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s ease;
}
.event-modal-cancel:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
}
.event-modal-delete {
  padding: 10px 16px;
  background: transparent;
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 10px;
  color: var(--accent-red);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s ease;
}
.event-modal-delete:hover {
  background: rgba(239,68,68,0.1);
  border-color: var(--accent-red);
}

@media (max-width: 900px) {
  .calendar-layout { grid-template-columns: 1fr; }
  .calendar-day { min-height: 60px; }
}