/* ═══════════════════════════════════════════════════════════════════════════ */
/* LAYOUT & CONTAINER                                                          */
/* ═══════════════════════════════════════════════════════════════════════════ */

.board-wrapper {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 120px);
    background: var(--rz-body-background-color);
}

.board-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--rz-base-300);
    background: var(--rz-base-background-color);
    flex-shrink: 0;
}

.board-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.board-title-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.board-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--rz-text-color);
    margin: 0;
}

.board-subtitle {
    font-size: 0.75rem;
    color: var(--rz-text-tertiary-color);
}

.board-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-toggle {
    display: flex;
    background: var(--rz-base-200);
    border-radius: 6px;
    padding: 2px;
    gap: 2px;
}

.view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.5rem;
    border: none;
    background: transparent;
    border-radius: 4px;
    color: var(--rz-text-tertiary-color);
    cursor: pointer;
    transition: all 0.15s ease;
}

.view-btn:hover {
    background: var(--rz-base-300);
    color: var(--rz-text-color);
}

.view-btn.active {
    background: var(--rz-base-background-color);
    color: var(--rz-primary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.view-btn .rzi {
    font-size: 1.25rem;
}

.board-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box input {
    padding: 0.375rem 0.75rem 0.375rem 2rem;
    border: 1px solid var(--rz-base-400);
    border-radius: 6px;
    background: var(--rz-base-100);
    color: var(--rz-text-color);
    font-size: 0.8125rem;
    width: 200px;
    transition: all 0.15s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--rz-primary);
    box-shadow: 0 0 0 2px var(--rz-primary-lighter);
}

.search-box .search-icon {
    position: absolute;
    left: 0.5rem;
    color: var(--rz-text-tertiary-color);
    font-size: 1rem;
    pointer-events: none;
}

.avatar-stack {
    display: flex;
    align-items: center;
}

.avatar-stack .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--rz-primary);
    border: 2px solid var(--rz-base-background);
    margin-left: -8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--rz-on-primary);
    cursor: pointer;
    transition: transform 0.15s ease;
}

.avatar-stack .avatar:first-child {
    margin-left: 0;
}

.avatar-stack .avatar:hover {
    transform: scale(1.1);
    z-index: 10;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* KANBAN BOARD                                                                */
/* ═══════════════════════════════════════════════════════════════════════════ */

.kanban-board {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    overflow-x: auto;
    flex: 1;
    align-items: stretch;
    background: var(--rz-body-background-color);
}

.kanban-board::-webkit-scrollbar {
    height: 8px;
}

.kanban-board::-webkit-scrollbar-track {
    background: var(--rz-base-200);
    border-radius: 4px;
}

.kanban-board::-webkit-scrollbar-thumb {
    background: var(--rz-base-400);
    border-radius: 4px;
}

.kanban-board::-webkit-scrollbar-thumb:hover {
    background: var(--rz-base-500);
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* COLUMNS - Enterprise Kanban Style                                           */
/* ═══════════════════════════════════════════════════════════════════════════ */

.kanban-column {
    flex: 1;
    min-width: 280px;
    max-width: none;
    background: var(--rz-base-100);
    border-radius: var(--rz-border-radius, 6px);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 220px);
    border: 1px solid var(--rz-base-200);
}

.column-header {
    padding: 0.5rem 0.5rem 0.25rem 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.column-header-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.column-indicator {
    width: 3px;
    height: 16px;
    border-radius: 2px;
    flex-shrink: 0;
}

.column-name {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--rz-text-secondary-color);
}

.column-count {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--rz-text-tertiary-color);
    background: var(--rz-base-200);
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
}

.column-header-actions {
    /* Always visible - no hover required */
}

/* Column header dropdown styling */
.column-header-actions .rz-dropdown {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.column-header-actions .rz-dropdown .rz-dropdown-trigger {
    display: none !important;
}

.column-header-actions .rz-dropdown .rz-helper {
    border: none !important;
    background: transparent !important;
    min-height: auto !important;
    padding: 0.25rem !important;
}

.column-header-actions .rz-dropdown:hover .rz-helper {
    background: var(--rz-base-100) !important;
    border-radius: 4px !important;
}

.column-header-actions .rz-dropdown:hover .rzi {
    color: var(--rz-primary) !important;
}

.column-body {
    flex: 1;
    overflow-y: auto;
    padding: 0 0.5rem 0.5rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.column-body::-webkit-scrollbar {
    width: 6px;
}

.column-body::-webkit-scrollbar-track {
    background: transparent;
}

.column-body::-webkit-scrollbar-thumb {
    background: var(--rz-base-300);
    border-radius: 3px;
}

.column-body.drag-over {
    background: var(--rz-primary-lighter);
    border: 2px dashed var(--rz-primary);
    border-radius: var(--rz-border-radius, 6px);
}

/* Disable pointer events on children during drag to prevent flickering */
.column-body.dragging-active > * {
    pointer-events: none;
}

.column-body.dragging-active .task-card.dragging {
    pointer-events: auto;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* TASK CARDS - Jira Style                                                     */
/* ═══════════════════════════════════════════════════════════════════════════ */

.task-card {
    background: var(--rz-base-background-color);
    border-radius: var(--rz-border-radius, 6px);
    padding: 0.75rem;
    cursor: grab;
    transition: all 0.15s ease;
    border: 1px solid var(--rz-base-200);
    box-shadow: var(--rz-shadow-1, 0 1px 3px rgba(0,0,0,0.08));
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

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

.task-card:hover {
    background: var(--rz-base-50);
    border-color: var(--rz-base-300);
    box-shadow: var(--rz-shadow-2, 0 4px 6px rgba(0,0,0,0.1));
    transform: translateY(-1px);
}

.task-card.dragging {
    opacity: 0.6;
    transform: rotate(2deg) scale(1.02);
    box-shadow: var(--rz-shadow-3, 0 8px 16px rgba(0,0,0,0.15));
    cursor: grabbing;
    z-index: 100;
}

.task-card-header {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.375rem;
}

.task-type-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    flex-shrink: 0;
    margin-top: 2px;
}

.task-type-icon .rzi {
    font-size: 12px;
}

.task-title {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--rz-text-color);
    line-height: 1.35;
    flex: 1;
    word-break: break-word;
}

.task-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.375rem;
}

.task-label {
    height: 6px;
    width: 32px;
    border-radius: 3px;
}

.task-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
}

.task-meta {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.task-code {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--rz-text-tertiary-color);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.task-priority {
    display: flex;
    align-items: center;
}

.task-priority .rzi {
    font-size: 14px;
}

.priority-critical { color: var(--rz-danger); }
.priority-high { color: var(--rz-danger-light); }
.priority-medium { color: var(--rz-warning); }
.priority-low { color: var(--rz-success); }

.task-assignee {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--rz-base-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--rz-on-primary);
    text-transform: uppercase;
}

.task-badges {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.6875rem;
    color: var(--rz-text-tertiary-color);
}

.task-badge {
    display: flex;
    align-items: center;
    gap: 0.125rem;
}

.task-badge .rzi {
    font-size: 12px;
}

.due-overdue {
    color: var(--rz-danger);
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* EMPTY STATE                                                                 */
/* ═══════════════════════════════════════════════════════════════════════════ */

.empty-column {
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--rz-text-tertiary-color);
}

.empty-column-icon {
    font-size: 1.5rem;
    opacity: 0.4;
    margin-bottom: 0.5rem;
}

.empty-column-text {
    font-size: 0.75rem;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* QUICK FILTERS                                                               */
/* ═══════════════════════════════════════════════════════════════════════════ */

.quick-filters {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.quick-filter-btn {
    padding: 0.25rem 0.625rem;
    border: 1px solid var(--rz-base-300);
    border-radius: 4px;
    background: transparent;
    font-size: 0.75rem;
    color: var(--rz-text-secondary-color);
    cursor: pointer;
    transition: all 0.15s ease;
}

.quick-filter-btn:hover {
    background: var(--rz-base-200);
    border-color: var(--rz-base-400);
}

.quick-filter-btn.active {
    background: var(--rz-primary);
    border-color: var(--rz-primary);
    color: white;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* RESPONSIVE                                                                  */
/* ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .kanban-board {
        overflow-x: auto;
    }

    .kanban-column {
        min-width: 280px;
        flex: 0 0 280px;
    }

    .board-header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .board-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .board-toolbar {
        width: 100%;
    }

    .search-box input {
        width: 100%;
    }
}