/* ===== CALENDAR CONTROLS ===== */
.calendar-controls {
    display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;
}
.calendar-nav { display: flex; align-items: center; gap: 16px; }
.calendar-month-label { font-size: 1.1rem; font-weight: 600; min-width: 180px; text-align: center; }

/* View mode buttons */
.calendar-view-modes {
    display: flex;
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}
.view-mode-btn {
    padding: 8px 16px;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    border-right: 1px solid var(--border);
}
.view-mode-btn:last-child { border-right: none; }
.view-mode-btn:hover { background: var(--bg-hover); }
.view-mode-btn.active {
    background: var(--primary);
    color: white;
}

/* ===== MONTH VIEW (GRID) ===== */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
}
.calendar-day-header {
    padding: 12px 8px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    background: var(--bg-secondary);
}
.calendar-day {
    min-height: 110px;
    padding: 8px;
    background: var(--bg-secondary);
    position: relative;
    cursor: pointer;
    transition: background var(--transition-fast);
}
.calendar-day:hover { background: var(--bg-hover); }
.calendar-day.other-month { opacity: 0.3; }
.calendar-day.today { background: rgba(8,145,178,0.06); }
.calendar-day.today .day-number {
    background: var(--primary);
    color: white;
    border-radius: 50%;
    width: 26px; height: 26px;
    display: flex; align-items: center; justify-content: center;
}
.day-number { font-size: 0.82rem; font-weight: 500; margin-bottom: 4px; }

/* Month event chip */
.calendar-event {
    font-size: 0.7rem;
    padding: 3px 6px;
    border-radius: 4px;
    margin-bottom: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    font-weight: 500;
}
.calendar-event.meeting { background: rgba(8,145,178,0.15); color: var(--primary-dark); }
.calendar-event.consultation { background: rgba(124,58,237,0.15); color: var(--accent); }
.calendar-event.training { background: rgba(5,150,105,0.15); color: var(--success); }
.calendar-event.conference { background: rgba(217,119,6,0.15); color: var(--warning); }
.calendar-event.other { background: rgba(100,116,139,0.15); color: var(--text-secondary); }

/* ===== WEEK / 3-DAY COLUMN VIEW ===== */
.calendar-columns {
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-secondary);
}

.cal-col-header-row {
    display: grid;
    border-bottom: 2px solid var(--border);
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 2;
}
.seven-day .cal-col-header-row { grid-template-columns: 56px repeat(7, 1fr); }
.three-day .cal-col-header-row { grid-template-columns: 56px repeat(3, 1fr); }

.cal-col-header {
    padding: 12px 8px;
    text-align: center;
    border-right: 1px solid var(--border);
}
.cal-col-header:last-child { border-right: none; }
.cal-col-header.today { background: rgba(8,145,178,0.06); }

.cal-col-day {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}
.cal-col-date {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2px;
}
.cal-col-date.today-num {
    background: var(--primary);
    color: white;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cal-col-body {
    display: grid;
    max-height: 600px;
    overflow-y: auto;
}
.seven-day .cal-col-body { grid-template-columns: 56px repeat(7, 1fr); }
.three-day .cal-col-body { grid-template-columns: 56px repeat(3, 1fr); }

.cal-time-gutter {
    border-right: 1px solid var(--border);
}
.cal-col-header-row .cal-time-gutter {
    padding: 12px 0;
}
.cal-time-slot {
    height: 52px;
    padding: 4px 6px;
    font-size: 0.68rem;
    color: var(--text-muted);
    text-align: right;
    border-bottom: 1px solid var(--border);
    box-sizing: border-box;
}

.cal-day-col {
    position: relative;
    border-right: 1px solid var(--border);
    cursor: pointer;
}
.cal-day-col:last-child { border-right: none; }
.cal-day-col.today-col { background: rgba(8,145,178,0.03); }

.cal-hour-cell {
    height: 52px;
    border-bottom: 1px solid var(--border);
    box-sizing: border-box;
}
.cal-hour-cell:hover { background: rgba(0,0,0,0.02); }

/* Column event */
.cal-event {
    position: absolute;
    left: 3px;
    right: 3px;
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 0.72rem;
    overflow: hidden;
    cursor: pointer;
    z-index: 1;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.cal-event:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
    z-index: 5;
}
.cal-event.meeting { background: rgba(8,145,178,0.2); color: var(--primary-dark); border-left: 3px solid var(--primary); }
.cal-event.consultation { background: rgba(124,58,237,0.2); color: var(--accent); border-left: 3px solid var(--accent); }
.cal-event.training { background: rgba(5,150,105,0.2); color: var(--success); border-left: 3px solid var(--success); }
.cal-event.conference { background: rgba(217,119,6,0.2); color: var(--warning); border-left: 3px solid var(--warning); }
.cal-event.other { background: rgba(100,116,139,0.2); color: var(--text-secondary); border-left: 3px solid var(--text-muted); }

.cal-event-time {
    font-size: 0.65rem;
    font-weight: 600;
    opacity: 0.85;
}
.cal-event-title {
    font-weight: 600;
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plan-type-filters { display: flex; gap: 8px; flex-wrap: wrap; }