/* tasks.css - v4.0 Date & Time Support */

.kanban-board {
    display: flex;
    gap: 15px;
    height: 100%;
    overflow-x: auto;
    padding-bottom: 5px;
}

.kanban-column {
    flex: 1;
    min-width: 280px;
    /* 稍微加寬 */
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.column-header {
    padding: 12px;
    font-weight: bold;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.status-todo {
    border-top: 4px solid #ffc107;
    color: #ffc107;
}

.status-doing {
    border-top: 4px solid #40a9ff;
    color: #40a9ff;
}

.status-done {
    border-top: 4px solid #73d13d;
    color: #73d13d;
}

.task-list-area {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 100px;
}

/* 卡片樣式 */
.task-card {
    background: var(--input-bg);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: 0.2s;
    color: var(--text-main);
    cursor: grab;
}

.task-card:hover {
    background: var(--bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.task-card:active {
    cursor: grabbing;
}

.task-card.dragging {
    opacity: 0.5;
    border: 2px dashed var(--accent);
}

.task-content {
    font-size: 1rem;
    margin-bottom: 8px;
    line-height: 1.4;
    word-break: break-word;
}

.task-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-sub);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 8px;
}

/* 截止日期標籤 */
.due-date-tag {
    display: flex;
    align-items: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--accent);
}

.task-actions {
    display: flex;
    gap: 8px;
}

.task-btn {
    background: transparent;
    border: none;
    color: var(--text-sub);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 2px;
    transition: 0.2s;
}

.task-btn:hover {
    color: var(--text-main);
    transform: scale(1.1);
}

.task-btn.del:hover {
    color: #ff4d4f;
}

/* ★ 關鍵：讓日期選擇器圖示適應深淺色 ★ */
.task-date-input,
.task-time-input,
.modal-input {
    color-scheme: dark;
}

body.light-mode .task-date-input,
body.light-mode .task-time-input,
body.light-mode .modal-input {
    color-scheme: light;
}