/* ═══════════════════════════════════════════════════════════════════════════
   Sprint Detail Page Styles
   ═══════════════════════════════════════════════════════════════════════════ */

.sprint-detail-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sprint-summary-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 20px;
}

.sprint-summary-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.sprint-summary-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sprint-summary-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sprint-summary-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.sprint-progress-bar {
    height: 8px;
    background: var(--bg-app);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 4px;
}

.sprint-progress-fill {
    height: 100%;
    background: var(--text-accent);
    transition: width 0.3s ease;
}

.sprint-section {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 24px;
}

.sprint-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.sprint-section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.work-items-list {
    display: grid;
    gap: 12px;
}

.work-item-card {
    padding: 16px;
    background: var(--bg-app);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    transition: all var(--transition);
    display: block;
}

.work-item-card:hover {
    border-color: var(--border-strong);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.work-item-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.work-item-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.work-item-card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.story-points {
    font-size: 11px;
    color: var(--text-muted);
    padding: 2px 6px;
    background: var(--bg-surface);
    border-radius: var(--r-sm);
}

@media (max-width: 768px) {
    .sprint-summary-row {
        grid-template-columns: 1fr;
    }
    
    .sprint-section {
        padding: 16px;
    }
}


/* ═══════════════════════════════════════════════════════════════════════════
   Calendar View Styles
   ═══════════════════════════════════════════════════════════════════════════ */

.calendar-container {
    margin-top: 20px;
}

/* Calendar Header */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 0 4px;
    flex-wrap: wrap;
    gap: 16px;
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.calendar-nav-btn {
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    border-radius: var(--r-md);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.calendar-nav-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-strong);
}

.calendar-month-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    min-width: 200px;
    text-align: center;
}

.calendar-legend {
    display: flex;
    gap: 16px;
    align-items: center;
}

/* Calendar Grid */
.calendar-grid {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--bg-app);
    border-bottom: 2px solid var(--border-strong);
}

.calendar-weekday {
    padding: 12px 8px;
    text-align: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
}

/* Calendar Day Cell */
.calendar-day {
    min-height: 120px;
    padding: 8px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
    position: relative;
    transition: background var(--transition);
}

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

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

.calendar-day.today {
    background: rgba(79, 143, 199, 0.05);
    border: 2px solid var(--text-accent);
}

.calendar-day.today .calendar-day-number {
    background: var(--text-accent);
    color: white;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.calendar-day-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.calendar-day-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.calendar-day-badges {
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: flex-end;
}

.calendar-sprint-badge {
    font-size: 9px;
    font-weight: 700;
    padding: 3px 6px;
    border-radius: var(--r-sm);
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calendar-sprint-badge.planning {
    background: #8b93a8;
}

.calendar-sprint-badge.active {
    background: #4f8fc7;
}

.calendar-sprint-badge.completed {
    background: #0f6e56;
}

/* Calendar Tasks */
.calendar-day-tasks {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Sprint Cards */
.calendar-sprint-card {
    padding: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--border);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all var(--transition);
    margin-top: 4px;
}

.calendar-sprint-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--border-strong);
}

.calendar-sprint-card.planning {
    border-left-color: #8b93a8;
}

.calendar-sprint-card.active {
    border-left-color: #4f8fc7;
}

.calendar-sprint-card.completed {
    border-left-color: #0f6e56;
}

.calendar-sprint-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 6px;
}

.calendar-sprint-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    line-height: 1.3;
}

.calendar-sprint-count {
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
}

.calendar-sprint-progress-bar {
    height: 4px;
    background: var(--bg-app);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 6px;
}

.calendar-sprint-progress-fill {
    height: 100%;
    background: var(--text-accent);
    transition: width var(--transition);
}

.calendar-sprint-card.active .calendar-sprint-progress-fill {
    background: #4f8fc7;
}

.calendar-sprint-card.completed .calendar-sprint-progress-fill {
    background: #0f6e56;
}

.calendar-sprint-dates {
    font-size: 10px;
    color: var(--text-muted);
}

.calendar-task-more {
    padding: 4px 8px;
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
    .calendar-day {
        min-height: 100px;
    }
    
    .calendar-task-title {
        font-size: 10px;
    }
}

@media (max-width: 768px) {
    .calendar-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .calendar-nav {
        justify-content: center;
    }
    
    .calendar-legend {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .calendar-day {
        min-height: 80px;
        padding: 6px;
    }
    
    .calendar-weekday {
        font-size: 10px;
        padding: 8px 4px;
    }
    
    .calendar-task {
        padding: 4px 6px;
        font-size: 10px;
    }
    
    .calendar-task-assignee {
        width: 18px;
        height: 18px;
        font-size: 8px;
    }
}