/* ============================================
   SISTEMA DE TAREAS KANBAN
   Estilos usando la paleta armónica del dashboard
   ============================================ */

/* Toolbar de tareas */
.ct-tasks-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.ct-tasks-filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.ct-task-filter-select {
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-solid);
    color: var(--color-text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-base);
}

.ct-task-filter-select:focus {
    outline: none;
    border-color: var(--color-primary-400);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

/* Tablero Kanban */
.ct-kanban-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    min-height: 400px;
}

@media (max-width: 768px) {
    .ct-kanban-board {
        grid-template-columns: 1fr;
    }
}

.ct-kanban-column {
    background: rgba(30, 41, 59, 0.5);
    border-radius: var(--radius-md);
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

/* Headers de columnas */
.ct-kanban-column-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 16px 12px;
    border-bottom: 2px solid transparent;
}

.ct-kanban-column-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.ct-kanban-column-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ct-kanban-header-todo {
    border-bottom-color: var(--color-primary-400);
    color: var(--color-primary-300);
}

.ct-kanban-header-todo .ct-kanban-column-icon { color: var(--color-primary-500); }

.ct-kanban-header-progress {
    border-bottom-color: var(--color-warning-400);
    color: var(--color-warning-300);
}

.ct-kanban-header-progress .ct-kanban-column-icon { color: var(--color-warning-500); }

.ct-kanban-header-done {
    border-bottom-color: var(--color-success-400);
    color: var(--color-success-300);
}

.ct-kanban-header-done .ct-kanban-column-icon { color: var(--color-success-500); }

.ct-kanban-count {
    margin-left: auto;
    background: rgba(255,255,255,0.1);
    color: inherit;
    font-size: 12px;
    font-weight: 700;
    min-width: 24px;
    height: 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
}

/* Cards container (drop zone) */
.ct-kanban-cards {
    flex: 1;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    max-height: 500px;
    min-height: 60px;
    transition: background 0.2s ease;
}

.ct-kanban-cards.ct-drag-over {
    background: rgba(14, 165, 233, 0.15);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Tarjeta de tarea */
.ct-task-card {
    background: var(--color-surface-solid);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-sm);
    padding: 14px;
    cursor: grab;
    transition: var(--transition-base);
    position: relative;
}

.ct-task-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--color-primary-300);
}

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

.ct-task-card.ct-dragging {
    opacity: 0.5;
    transform: rotate(2deg);
}

.ct-task-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 8px;
    cursor: pointer;
    line-height: 1.4;
}

.ct-task-card-title:hover {
    color: var(--color-primary-600);
}

.ct-task-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Badges de prioridad */
.ct-task-priority-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ct-priority-high {
    background: rgba(244, 63, 94, 0.2);
    color: var(--color-error-300);
}

.ct-priority-medium {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning-300);
}

.ct-priority-low {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success-300);
}

/* Badge de estado */
.ct-task-status-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.ct-status-todo {
    background: rgba(14, 165, 233, 0.2);
    color: var(--color-primary-300);
}

.ct-status-in_progress {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning-300);
}

.ct-status-done {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success-300);
}

/* Fecha límite en tarjeta */
.ct-task-due-date {
    font-size: 12px;
    color: var(--color-text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.ct-task-due-date.ct-overdue {
    color: var(--color-error-600);
    font-weight: 600;
}

/* Avatares asignados en tarjeta */
.ct-task-card-assigned {
    display: flex;
    margin-left: auto;
}

.ct-task-card-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-secondary-500);
    color: white;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: -6px;
    border: 2px solid var(--color-surface-solid);
}

.ct-task-card-avatar:first-child {
    margin-left: 0;
}

/* Indicadores de comentarios/adjuntos */
.ct-task-card-indicators {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--color-border-subtle);
}

.ct-task-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.ct-task-indicator svg {
    width: 14px;
    height: 14px;
}

/* Badge de tareas en tarjeta de proyecto */
.ct-task-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: rgba(99, 102, 241, 0.2);
    color: var(--color-secondary-300);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

/* Modal fullwidth para Kanban */
.ct-modal-fullwidth {
    max-width: 1100px !important;
    width: 95% !important;
}

.ct-tasks-modal-body {
    padding: 20px !important;
}

/* Textarea de descripción en formulario de tarea */
#ct-task-description {
    background: var(--color-neutral-900, #0f172a);
    color: #ffffff;
    border: 1px solid var(--color-neutral-600, #475569);
    padding: 10px 14px;
    font-size: 14px;
    font-family: inherit;
    border-radius: 4px;
    width: 100%;
    transition: border-color 0.15s ease;
}

#ct-task-description::placeholder {
    color: var(--color-neutral-400, #94a3b8);
}

#ct-task-description:focus {
    outline: none;
    border-color: var(--color-primary-500, #0ea5e9);
    box-shadow: none;
    background: var(--color-neutral-900, #0f172a);
}

/* Formulario de tarea */
.ct-form-row {
    display: flex;
    gap: 16px;
}

.ct-form-half {
    flex: 1;
}

@media (max-width: 480px) {
    .ct-form-row {
        flex-direction: column;
        gap: 0;
    }
}

/* Detalle de tarea */
.ct-task-detail-content {
    margin-bottom: 24px;
}

.ct-task-detail-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.ct-task-detail-description {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 16px;
    white-space: pre-wrap;
}

.ct-task-detail-assigned h5,
.ct-task-detail-section h5 {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text-secondary);
    margin: 0 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ct-task-assigned-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ct-task-assigned-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.2);
    color: var(--color-secondary-300);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.ct-task-assigned-chip .ct-mini-avatar {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-secondary-500);
    color: white;
    font-size: 9px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Sección de detalle */
.ct-task-detail-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

/* Adjuntos */
.ct-task-attachments-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.ct-task-attachment-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(30, 41, 59, 0.5);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.ct-task-attachment-item:hover {
    background: rgba(30, 41, 59, 0.8);
}

.ct-task-attachment-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(14, 165, 233, 0.2);
    color: var(--color-primary-400);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ct-task-attachment-info {
    flex: 1;
    min-width: 0;
}

.ct-task-attachment-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-primary);
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ct-task-attachment-name a {
    color: inherit;
    text-decoration: none;
}

.ct-task-attachment-name a:hover {
    color: var(--color-primary-600);
}

.ct-task-attachment-size {
    font-size: 11px;
    color: var(--color-text-tertiary);
}

.ct-task-attachment-delete {
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition-base);
}

.ct-task-attachment-delete:hover {
    color: var(--color-error-400);
    background: rgba(244, 63, 94, 0.15);
}

.ct-task-upload-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ct-upload-hint {
    font-size: 12px;
    color: var(--color-text-tertiary);
}

/* Comentarios */
.ct-task-comments-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
    max-height: 300px;
    overflow-y: auto;
}

.ct-task-comment {
    display: flex;
    gap: 10px;
    padding: 12px;
    background: rgba(30, 41, 59, 0.3);
    border-radius: var(--radius-sm);
}

.ct-task-comment-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent-500);
    color: white;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ct-task-comment-body {
    flex: 1;
    min-width: 0;
}

.ct-task-comment-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.ct-task-comment-author {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.ct-task-comment-date {
    font-size: 11px;
    color: var(--color-text-tertiary);
}

.ct-task-comment-delete {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 2px;
    font-size: 16px;
    line-height: 1;
    border-radius: 4px;
    transition: var(--transition-base);
}

.ct-task-comment-delete:hover {
    color: var(--color-error-600);
}

.ct-task-comment-text {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    white-space: pre-wrap;
}

.ct-task-comment-form {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.ct-task-comment-form textarea {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--color-neutral-600, #475569);
    border-radius: var(--radius-sm);
    background: var(--color-neutral-900, #0f172a);
    color: #ffffff;
    font-size: 14px;
    font-family: inherit;
    resize: none;
    transition: border-color 0.15s ease;
}

.ct-task-comment-form textarea:focus,
#ct-task-comment-input:focus {
    outline: none;
    border-color: var(--color-primary-400);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
    background: var(--color-neutral-900, #0f172a);
    color: #ffffff;
}

#ct-task-comment-input {
    background: var(--color-neutral-900, #0f172a) !important;
    color: #ffffff !important;
    border: 1px solid var(--color-neutral-600, #475569) !important;
}

#ct-task-comment-input::placeholder {
    color: var(--color-neutral-400, #94a3b8) !important;
}

/* Botones pequeños */
.ct-btn-sm {
    padding: 6px 12px !important;
    font-size: 12px !important;
    gap: 4px;
}

/* Header del detalle */
.ct-task-detail-actions-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Empty state */
.ct-kanban-empty {
    text-align: center;
    padding: 30px 16px;
    color: var(--color-text-tertiary);
    font-size: 13px;
}

/* Botón tareas en tarjeta de proyecto */
.ct-open-tasks-btn {
    color: var(--color-secondary-500) !important;
}

.ct-open-tasks-btn:hover {
    color: var(--color-secondary-300) !important;
    background: rgba(99, 102, 241, 0.15) !important;
}