/* ============================================================
   Kanban Board — Modern Pipeline View
   ============================================================ */

/* ── Board Container ── */
.kanban-board-wrapper {
    background: var(--bg-base);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    border: 1px solid var(--border-muted);
    overflow: hidden;
}

.kanban-board {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding-bottom: var(--space-4);
    min-height: calc(100vh - 280px);
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--bg-muted) transparent;
}
.kanban-board::-webkit-scrollbar {
    height: 6px;
}
.kanban-board::-webkit-scrollbar-track {
    background: transparent;
}
.kanban-board::-webkit-scrollbar-thumb {
    background: var(--bg-muted);
    border-radius: var(--radius-full);
}
.kanban-board::-webkit-scrollbar-thumb:hover {
    background: var(--slate-500);
}

/* ── Column ── */
.kanban-column {
    min-width: 300px;
    width: 300px;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-muted);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 300px);
    transition: border-color var(--transition-fast);
    flex-shrink: 0;
    animation: fade-in-up 0.35s ease both;
}
.kanban-column:nth-child(1) {
    animation-delay: 0.05s;
}
.kanban-column:nth-child(2) {
    animation-delay: 0.1s;
}
.kanban-column:nth-child(3) {
    animation-delay: 0.15s;
}
.kanban-column:nth-child(4) {
    animation-delay: 0.2s;
}
.kanban-column:nth-child(5) {
    animation-delay: 0.25s;
}
.kanban-column:nth-child(6) {
    animation-delay: 0.3s;
}
.kanban-column:nth-child(7) {
    animation-delay: 0.35s;
}

.kanban-column.drag-over {
    border-color: var(--primary-400);
    background: rgba(99, 102, 241, 0.05);
}

/* ── Column Header ── */
.kanban-column-header {
    padding: var(--space-4) var(--space-4);
    border-bottom: 1px solid var(--border-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    flex-shrink: 0;
}
.header-content {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.07em;
}
.kanban-status-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}
.badge-glow {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
}

/* Column status colors */
.col-new {
    color: var(--primary-400);
}
.col-new .kanban-status-dot {
    background: var(--primary-500);
}
.col-new .badge-glow {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-400);
    border-color: rgba(99, 102, 241, 0.3);
}

.col-contacted {
    color: var(--color-info);
}
.col-contacted .kanban-status-dot {
    background: var(--color-info);
}
.col-contacted .badge-glow {
    background: rgba(6, 182, 212, 0.15);
    color: var(--color-info);
    border-color: rgba(6, 182, 212, 0.3);
}

.col-qualified {
    color: var(--color-success);
}
.col-qualified .kanban-status-dot {
    background: var(--color-success);
}
.col-qualified .badge-glow {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    border-color: rgba(16, 185, 129, 0.3);
}

.col-junk {
    color: var(--color-danger);
}
.col-junk .kanban-status-dot {
    background: var(--color-danger);
}
.col-junk .badge-glow {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
    border-color: rgba(239, 68, 68, 0.3);
}

.col-no_answer {
    color: var(--slate-400);
}
.col-no_answer .kanban-status-dot {
    background: var(--slate-500);
}
.col-no_answer .badge-glow {
    background: rgba(148, 163, 184, 0.15);
    color: var(--slate-400);
    border-color: rgba(148, 163, 184, 0.3);
}

.col-follow_later {
    color: var(--color-warning);
}
.col-follow_later .kanban-status-dot {
    background: var(--color-warning);
}
.col-follow_later .badge-glow {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.col-low_budget {
    color: #f97316;
}
.col-low_budget .kanban-status-dot {
    background: #f97316;
}
.col-low_budget .badge-glow {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
    border-color: rgba(249, 115, 22, 0.3);
}

/* ── Column Items Area ── */
.kanban-items {
    padding: var(--space-3);
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scrollbar-width: none;
}
.kanban-items::-webkit-scrollbar {
    display: none;
}

/* Drop placeholder */
.kanban-items .drop-placeholder {
    height: 80px;
    border: 2px dashed var(--primary-400);
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.05);
    flex-shrink: 0;
}

/* ── Kanban Card ── */
.kanban-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    cursor: grab;
    position: relative;
    transition: all var(--transition-base);
    animation: fade-in-up 0.25s ease both;
    flex-shrink: 0;
}
.kanban-card:hover {
    border-color: var(--border-default);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.kanban-card:active {
    cursor: grabbing;
    transform: scale(0.98);
}

.kanban-card.dragging {
    visibility: hidden;
    height: 0;
    min-height: 0;
    padding: 0;
    margin: 0;
    border: none;
    overflow: hidden;
}

/* Card top accent bar */
.card-glow {
    position: absolute;
    top: 0;
    left: var(--space-4);
    right: var(--space-4);
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.08),
        transparent
    );
}

.kanban-card-content {
    position: relative;
    z-index: 1;
}

.kanban-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-3);
    gap: var(--space-2);
}

.kanban-card-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    line-height: 1.4;
    min-height: fit-content;
    flex: 1;
    display: -webkit-box;
    line-clamp: 1;
    -webkit-line-clamp: 1;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kanban-card-body {
    margin-bottom: var(--space-3);
}

.info-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-1);
}
.info-row i {
    font-size: 0.75rem;
    width: 14px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.kanban-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-muted);
    margin-top: auto;
}

.badge-source {
    font-size: 10px;
    font-weight: var(--font-medium);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: var(--bg-overlay);
    color: var(--text-secondary);
    border: 1px solid var(--border-muted);
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kanban-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    color: #fff;
    font-size: 10px;
    font-weight: var(--font-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.meta-info {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Empty state */
.empty-state {
    padding: var(--space-8) var(--space-4);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-muted);
    font-size: var(--text-xs);
}
.empty-state i {
    font-size: 1.5rem;
    opacity: 0.3;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .kanban-column {
        min-width: 78vw;
        width: 78vw;
        max-height: calc(100vh - 220px);
    }
    .kanban-board {
        gap: var(--space-3);
        padding-bottom: var(--space-3);
    }
    .kanban-board-wrapper {
        padding: var(--space-3);
        margin: 0 -var(--space-4);
        border-radius: 0;
    }
}

/* ── Dropdown menus on kanban ── */
.dropdown-menu-dark {
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border-default) !important;
}