/* ===========================
   kanban HEADER
   =========================== */
.kanban-header {
    background: white;
    border-bottom: 2px solid var(--border-color);
    padding: 0 24px;
    height: 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-separator {
    color: var(--border-color);
    user-select: none;
}

.header-left h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

.user-email {
    font-size: 13px;
    color: var(--text-secondary);
    margin-left: 0.5rem;
    font-weight: 500;
}

/* ===========================
   KANBAN BOARD
   =========================== */
.kanban-board {
    display: flex;
    gap: 20px;
    padding: 16px 24px;
    height: calc(100vh - 3rem);
    overflow-x: auto;
    transition: margin-left 0.3s ease-in-out;
}

.kanban-board.sidebar-open {
    margin-left: 300px;
}

@media (max-width: 1100px) {
    .header-left h1 {
        display: none;
    }
}