/* ========================================
   CALENDAR STYLES
   Vietnamese Calendar Component
   ======================================== */

/* === Calendar Container === */
.calendar-container {
    max-width: 900px;
    margin: 0 auto;
}

/* === Calendar Navigation === */
.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    gap: var(--space-md);
}

.calendar-nav-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-color-light);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.calendar-nav-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-inverse);
}

.calendar-nav-btn svg {
    width: 20px;
    height: 20px;
}

.calendar-title {
    text-align: center;
    flex: 1;
}

.calendar-month {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-md);
    transition: background var(--transition-fast);
}

.calendar-month:hover {
    background: var(--bg-main);
}

.calendar-lunar-month {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    margin-top: var(--space-xs);
}

/* === Calendar Views Toggle === */
.calendar-views {
    display: flex;
    gap: var(--space-xs);
    background: var(--bg-main);
    padding: var(--space-xs);
    border-radius: var(--border-radius-md);
}

.view-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.view-btn:hover {
    color: var(--text-primary);
}

.view-btn.active {
    background: var(--bg-surface);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* === Calendar Grid === */
.calendar-grid {
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color-light);
    overflow: hidden;
}

/* === Weekday Headers === */
.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--bg-main);
    border-bottom: 1px solid var(--border-color-light);
}

.weekday {
    padding: var(--space-md);
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
}

.weekday:first-child {
    color: var(--color-danger);
}

.weekday:last-child {
    color: var(--color-primary);
}

/* === Calendar Days === */
.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-day {
    position: relative;
    min-height: 90px;
    padding: var(--space-sm);
    border-right: 1px solid var(--border-color-light);
    border-bottom: 1px solid var(--border-color-light);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.calendar-day:nth-child(7n) {
    border-right: none;
}

.calendar-day:hover {
    background: var(--bg-main);
}

.calendar-day.other-month {
    background: var(--bg-main);
    opacity: 0.5;
}

.calendar-day.today {
    background: rgba(196, 30, 58, 0.05);
}

.calendar-day.today::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
}

.calendar-day.selected {
    background: rgba(196, 30, 58, 0.1);
}

/* === Day Content === */
.day-solar {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.calendar-day:nth-child(7n+1) .day-solar {
    color: var(--color-danger);
}

.calendar-day:nth-child(7n) .day-solar {
    color: var(--color-primary);
}

.day-lunar {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: 2px;
}

.day-canchi {
    font-size: 10px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* === Day Indicators === */
.day-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    margin-top: var(--space-xs);
}

.day-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.day-indicator.good {
    background: var(--color-good-day);
}

.day-indicator.bad {
    background: var(--color-bad-day);
}

.day-indicator.holiday {
    background: var(--color-secondary);
}

.day-indicator.economic {
    background: var(--color-info);
}

/* === Good/Bad Day Badge === */
.day-badge {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    padding: 2px 6px;
    font-size: 9px;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
}

.day-badge.hoangdao {
    background: var(--color-good-day-bg);
    color: var(--color-good-day);
}

.day-badge.hacdao {
    background: var(--color-bad-day-bg);
    color: var(--color-bad-day);
}

/* === Holiday Label === */
.day-holiday {
    font-size: 10px;
    color: var(--color-secondary-dark);
    font-weight: var(--font-weight-medium);
    margin-top: var(--space-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* === Day Detail Modal Content === */
.day-detail {
    display: grid;
    gap: var(--space-lg);
}

.day-detail-header {
    text-align: center;
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--border-radius-lg);
    color: var(--text-inverse);
}

.day-detail-solar {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-mono);
}

.day-detail-weekday {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-top: var(--space-xs);
}

.day-detail-lunar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.lunar-date {
    font-size: var(--font-size-lg);
}

.lunar-canchi {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* === Day Info Sections === */
.day-info-section {
    background: var(--bg-surface);
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.day-info-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-main);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.day-info-title svg {
    width: 16px;
    height: 16px;
}

.day-info-content {
    padding: var(--space-md);
}

/* === Good Day Status === */
.good-day-status {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--border-radius-md);
}

.good-day-status.hoangdao {
    background: var(--color-good-day-bg);
}

.good-day-status.hacdao {
    background: var(--color-bad-day-bg);
}

.status-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: var(--font-size-2xl);
}

.good-day-status.hoangdao .status-icon {
    background: var(--color-good-day);
    color: var(--text-inverse);
}

.good-day-status.hacdao .status-icon {
    background: var(--color-bad-day);
    color: var(--text-inverse);
}

.status-text h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.good-day-status.hoangdao .status-text h4 {
    color: var(--color-good-day);
}

.good-day-status.hacdao .status-text h4 {
    color: var(--color-bad-day);
}

.status-text p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

/* === Activities Lists === */
.activities-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.activities-column h5 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.activities-column.good h5 {
    color: var(--color-good-day);
}

.activities-column.bad h5 {
    color: var(--color-bad-day);
}

.activities-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.activity-item {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding-left: var(--space-md);
    position: relative;
}

.activity-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
}

/* === Economic Events === */
.economic-events {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.economic-event {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--color-info-light);
    border-radius: var(--border-radius-sm);
}

.event-time {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-info);
    white-space: nowrap;
}

.event-title {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

/* === Responsive Calendar === */
@media (max-width: 768px) {
    .calendar-nav {
        flex-wrap: wrap;
    }

    .calendar-views {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: var(--space-sm);
    }

    .calendar-day {
        min-height: 70px;
        padding: var(--space-xs);
    }

    .day-solar {
        font-size: var(--font-size-base);
    }

    .day-canchi,
    .day-holiday {
        display: none;
    }

    .day-lunar {
        font-size: 9px;
        margin-top: 1px;
    }

    .day-badge {
        font-size: 8px;
        padding: 1px 4px;
    }

    .activities-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .calendar-day {
        min-height: 50px;
    }

    .day-lunar {
        font-size: 8px;
    }

    .day-indicators {
        display: none;
    }

    .weekday {
        padding: var(--space-sm);
        font-size: var(--font-size-xs);
    }
}