/* Kanban Board Styles */

:root {
    --column-bg: #f5f5f5;
    --card-bg: #ffffff;
    --priority-high: #dc3545;
    --priority-medium: #ffc107;
    --priority-low: #28a745;
    --column-width: 280px;
}

[data-theme="dark"] {
    --column-bg: #1a1a2e;
    --card-bg: #16213e;
}

/* Login */
.login-card {
    max-width: 400px;
    margin: 100px auto;
}

.error-message {
    color: var(--pico-color-red-500);
    margin-top: 1rem;
    padding: 0.5rem;
    border-radius: var(--pico-border-radius);
    background: rgba(220, 53, 69, 0.1);
}

.success-message {
    color: var(--pico-color-green-500, #198754);
    margin-top: 1rem;
    padding: 0.5rem;
    border-radius: var(--pico-border-radius);
    background: rgba(25, 135, 84, 0.1);
}

/* Task modal styling */
#task-modal article {
    min-width: min(550px, 90vw);
}

/* Due date/time row */
.due-datetime-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 0.5rem;
    align-items: end;
}

.due-datetime-row input,
.due-datetime-row select {
    margin-bottom: 0;
}

/* Header */
.app-header {
    background: var(--pico-background-color);
    border-bottom: 1px solid var(--pico-muted-border-color);
    padding: 0.5rem 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-header nav {
    margin: 0;
}

/* Board */
.board {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    overflow-x: auto;
    min-height: calc(100vh - 100px);
}

.column {
    flex: 0 0 var(--column-width);
    min-width: var(--column-width);
    background: var(--column-bg);
    border-radius: var(--pico-border-radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--pico-primary);
}

.column-header h4 {
    margin: 0;
    font-size: 1rem;
}

.column-count {
    background: var(--pico-primary);
    color: var(--pico-primary-inverse);
    padding: 0.1rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.8rem;
}

.column-tasks {
    flex: 1;
    overflow-y: auto;
    min-height: 200px;
}

/* Task Card */
.task-card {
    background: var(--card-bg);
    border-radius: var(--pico-border-radius);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    cursor: grab;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: transform 0.15s, box-shadow 0.15s;
    border-left: 4px solid var(--priority-medium);
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.task-card.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
}

.task-card.priority-high {
    border-left-color: var(--priority-high);
}

.task-card.priority-medium {
    border-left-color: var(--priority-medium);
}

.task-card.priority-low {
    border-left-color: var(--priority-low);
}

.task-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.task-description {
    color: var(--pico-muted-color);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.task-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    font-size: 0.7rem;
    margin-bottom: 0.5rem;
}

.task-badge {
    padding: 0.1rem 0.4rem;
    border-radius: 0.25rem;
    background: var(--pico-muted-border-color);
}

.task-badge.priority {
    font-weight: 600;
}

.task-badge.priority-high {
    background: var(--priority-high);
    color: white;
}

.task-badge.priority-medium {
    background: var(--priority-medium);
    color: black;
}

.task-badge.priority-low {
    background: var(--priority-low);
    color: white;
}

.task-badge.category {
    background: var(--pico-primary);
    color: var(--pico-primary-inverse);
}

.task-badge.due-date {
    background: var(--pico-secondary);
    color: var(--pico-secondary-inverse);
}

.task-badge.overdue {
    background: var(--priority-high);
    color: white;
}

.task-actions {
    display: flex;
    gap: 0.25rem;
    justify-content: flex-end;
}

.task-actions button {
    padding: 0.2rem 0.4rem;
    font-size: 0.75rem;
    margin: 0;
}

/* Drop zone highlight */
.column-tasks.drag-over {
    background: rgba(var(--pico-primary-rgb), 0.1);
    border-radius: var(--pico-border-radius);
}

/* Modal adjustments */
dialog article {
    max-width: 500px;
}

dialog article header {
    position: relative;
}

dialog article header .close {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

/* Responsive */
@media (max-width: 768px) {
    .board {
        flex-direction: column;
    }
    
    .column {
        flex: 0 0 auto;
        width: 100%;
    }
}