* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: #1a1a2e;
    color: #e0e0e0;
    min-height: 100vh;
}

.container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    margin-bottom: 24px;
}

header h1 {
    color: #e94560;
    font-size: 28px;
    margin-bottom: 16px;
}

.filters {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    background-color: #0f3460;
    padding: 16px;
    border-radius: 8px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-group label {
    font-size: 14px;
    color: #a0a0a0;
}

.filter-group select {
    background-color: #1a1a2e;
    color: #e0e0e0;
    border: 1px solid #333;
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 14px;
    cursor: pointer;
}

.filter-group select:hover {
    border-color: #e94560;
}

/* Error Message */
.error-message {
    background-color: #e94560;
    color: #fff;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

/* Columns */
.columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.column {
    background-color: #16213e;
    border-radius: 8px;
    padding: 16px;
    min-height: 300px;
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #0f3460;
}

.column-header h2 {
    font-size: 18px;
    color: #e0e0e0;
}

.count {
    background-color: #0f3460;
    color: #fff;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
}

/* Task Cards */
.task-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task-card {
    background-color: #1a1a2e;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 14px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.1s, box-shadow 0.1s;
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.task-title {
    font-weight: bold;
    font-size: 15px;
    margin-bottom: 10px;
    color: #fff;
}

.task-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.task-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.task-owner {
    color: #a0a0a0;
}

.task-deadline {
    color: #888;
}

.task-source {
    color: #666;
    font-size: 11px;
}

/* Badges */
.badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.badge {
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: bold;
    text-transform: uppercase;
}

.badge-status {
    background-color: #333;
}

.badge-status.approved {
    background-color: #28a745;
    color: #fff;
}

.badge-status.in-progress {
    background-color: #007bff;
    color: #fff;
}

.badge-status.blocked,
.badge-status.block {
    background-color: #dc3545;
    color: #fff;
}

.badge-status.done {
    background-color: #6c757d;
    color: #fff;
}

.badge-status.todo {
    background-color: #ffc107;
    color: #1a1a2e;
}

.badge-priority {
    border: 1px solid;
}

.badge-priority.p0 {
    background-color: #dc3545;
    color: #fff;
    border-color: #dc3545;
}

.badge-priority.p1 {
    background-color: #fd7e14;
    color: #fff;
    border-color: #fd7e14;
}

.badge-priority.p2 {
    background-color: #6c757d;
    color: #fff;
    border-color: #6c757d;
}

/* Footer */
footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid #333;
    text-align: center;
    font-size: 13px;
    color: #666;
}

.refresh-label {
    color: #888;
}

.refresh-time {
    color: #e94560;
    margin-left: 4px;
}

/* Responsive */
@media (max-width: 1400px) {
    .columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    header h1 {
        font-size: 22px;
    }

    .filters {
        flex-direction: column;
        gap: 12px;
    }

    .filter-group {
        width: 100%;
    }

    .filter-group select {
        flex: 1;
    }

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

    .column {
        min-height: 150px;
    }
}

/* Empty State */
.task-list:empty::after {
    content: 'No tasks';
    display: block;
    text-align: center;
    color: #555;
    padding: 20px;
    font-size: 14px;
}

/* Hidden tasks (for filtering) */
.task-card.hidden {
    display: none;
}