.kanban-board {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 1.5rem;
    padding-top: 1rem;
}

.kanban-column {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 650px;
}

.column-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.column-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.column-counter {
    margin-left: auto;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 2px 8px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Smooth Card Entrance & Glow Effects */
.kanban-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.kanban-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.kanban-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.kanban-card:hover::after { opacity: 1; }

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.35;
}

.card-snippet {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Progress bar inside cards */
.progress-bar-container {
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), #818cf8);
    border-radius: 9999px;
    transition: width 0.6s var(--ease-out-smooth);
}