:root {
    --kanban-column-bg: #f6f7fb;
    --kanban-border: #e6e8ef;
}

body {
    background: #f3f5f9;
}

.auth-card {
    max-width: 460px;
    margin: 6vh auto;
}

.project-card {
    transition: transform .15s ease, box-shadow .15s ease;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, .08);
}

.project-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.35rem;
}

.kanban-wrap {
    overflow-x: auto;
    padding-bottom: 1rem;
}

.kanban-board {
    display: flex;
    gap: 1rem;
    min-width: 980px;
}

.kanban-column {
    width: 32%;
    min-width: 310px;
    background: var(--kanban-column-bg);
    border: 1px solid var(--kanban-border);
    border-radius: 16px;
    padding: 1rem;
}

.kanban-list {
    min-height: 260px;
}

.task-card {
    cursor: grab;
    border: 1px solid #edf0f5;
    box-shadow: 0 .35rem .9rem rgba(0, 0, 0, .04);
}

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

.sortable-ghost {
    opacity: .45;
}

.small-muted {
    font-size: .82rem;
    color: #6c757d;
}

.comment-box,
.activity-box {
    max-height: 360px;
    overflow-y: auto;
}