/* ========== 1. Todo Content Layout ========== */
.todo-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    width: 100%;
    min-height: 500px;
    margin-top: 2rem;
}

/* ========== 2. Left — Calendar Panel ========== */
.todo-calendar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cal-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
}

.cal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.cal-month {
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.cal-nav {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.cal-nav:hover {
    background: var(--row-hover);
    color: var(--accent);
}

.cal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    margin: 1rem 0;
}

.cal-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.cal-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
}

.cal-day:hover {
    background: var(--row-hover);
}

.cal-day.today {
    font-weight: 700;
    color: var(--accent);
}

.cal-day.today::after {
    content: '';
    position: absolute;
    bottom: 3px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
}

.cal-day.has-tasks {
    font-weight: 600;
}

.cal-day.has-tasks::after {
    content: '';
    position: absolute;
    bottom: 3px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
}

.cal-day.selected {
    background: var(--accent);
    color: #fff;
}

.cal-day.selected::after {
    background: #fff;
}

.cal-today-btn {
    margin-top: 1.2rem;
    text-align: center;
    font-size: 1.3rem;
    color: var(--accent);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s;
}

.cal-stats {
    display: flex;
    gap: 1rem;
}

.cal-stat {
    flex: 1;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cal-stat-num {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.cal-stat-label {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ========== 3. Middle — Add Task ========== */
.todo-addbox {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-self: start;
}

.addbox-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.addbox-header svg {
    color: var(--accent);
}

.addbox-row {
    display: flex;
    gap: 10px;
}

.addbox-row .td-select {
    flex: 1;
}

.addbox-row .td-input-date {
    flex: 1;
}

/* ========== 4. Right — Task List ========== */
.todo-items {
    background: var(--card-bg);
    display: flex;
    flex-direction: column;
    max-height: 65vh;
}

.items-headcard {
    padding: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-top: 1rem;
}

.items-header {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.items-header {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* ========== 5. Responsive ========== */
@media (max-width: 1024px) {
    .todo-content {
        grid-template-columns: 1fr 1fr;
    }
    .todo-addbox {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .todo-content {
        grid-template-columns: 1fr;
        height: auto;
    }
    .todo-calendar {
        max-width: 400px;
    }
}

/* ========== 6. Existing TD Styles (kept from original) ========== */
.td-input {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
    background: #fff;
}

.td-input:focus {
    border-color: var(--accent);
}

.td-input-date {
    font-family: inherit;
    color-scheme: light;
}

.td-select {
    padding: 0.7rem 0.8rem;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.85rem;
    background: #fff;
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s;
}

.td-select:focus {
    border-color: var(--accent);
}

.td-btn {
    padding: 0.7rem 1.2rem;
    border: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.td-btn:active {
    transform: scale(0.97);
}

.td-btn-add {
    background: var(--accent);
    color: #fff;
}

.td-btn-add:hover {
    background: #2563EB;
}

.td-btn-clear {
    background: transparent;
    color: var(--text-tertiary);
    font-size: 0.78rem;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.td-btn-clear:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: #FEF2F2;
}

.td-filter {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.td-filter-btn {
    padding: 0.35rem 0.8rem;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: transparent;
    font-family: inherit;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.td-filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.td-filter-btn.active {
    background: #EFF6FF;
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 600;
}

.td-count {
    margin-left: auto;
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

/* ========== 7. Task List ========== */
.td-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    overflow-y: auto;
}

.td-list::-webkit-scrollbar {
    width: 6px;
}

.td-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.td-empty {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.85rem;
    padding: 2rem 0;
}

/* ========== 8. Task Item ========== */
.td-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--row-hover);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: all 0.2s;
}

.td-item:hover {
    border-color: #CBD5E1;
    background: var(--card-bg);
}

.td-item.completed .td-title {
    text-decoration: line-through;
    color: var(--text-tertiary);
}

/* ========== 9. Checkbox ========== */
.td-checkbox {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    flex-shrink: 0;
}

.td-checkbox-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.td-checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #CBD5E1;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.td-checkbox-input:checked + .td-checkmark {
    background: var(--accent);
    border-color: var(--accent);
}

.td-checkbox-input:checked + .td-checkmark::after {
    content: '';
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-top: -1px;
}

/* ========== 10. Content ========== */
.td-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.td-title {
    font-size: 0.9rem;
    color: var(--text-primary);
    word-break: break-word;
}

.td-date-badge {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 3px;
    flex-shrink: 0;
}

.td-date-badge svg {
    width: 12px;
    height: 12px;
}

.td-priority {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.td-priority-low {
    background: #F0FDF4;
    color: #16A34A;
}

.td-priority-medium {
    background: #EFF6FF;
    color: #2563EB;
}

.td-priority-high {
    background: #FEF2F2;
    color: #DC2626;
}

/* ========== 11. Actions ========== */
.td-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.td-btn-icon {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.td-btn-icon:hover {
    background: #F1F5F9;
}

.td-btn-edit:hover {
    color: var(--accent);
}

.td-btn-del:hover {
    color: var(--danger);
}

/* ========== 12. Edit Row ========== */
.td-edit-row {
    display: flex;
    gap: 8px;
    align-items: center;
    width: 100%;
}

.td-edit-input {
    flex: 1;
    padding: 0.5rem 0.8rem;
    border: 1.5px solid var(--accent);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
}

.td-edit-select {
    padding: 0.5rem 0.6rem;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.8rem;
    background: #fff;
    outline: none;
    cursor: pointer;
}

.td-btn-save {
    background: #22C55E;
    color: #fff;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.td-btn-save:hover {
    background: #16A34A;
}

.td-btn-cancel {
    background: var(--border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.2s;
}

.td-btn-cancel:hover {
    background: #CBD5E1;
}