:root {
    --primary-color: #ffa500;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --text-color: #333;
    --background-color: #ffffff;
    /* Fondo blanco como solicitado */
    --border-color: #dee2e6;

    /* Colores de columnas */
    --column-blue: #4299e1;
    --column-green: #48bb78;
    --column-orange: #ed8936;
    --column-purple: #9f7aea;
    --column-red: #f56565;

    /* Colores de etiquetas */
    --tag-desarrollo: #4299e1;
    --tag-diseño: #9f7aea;
    --tag-marketing: #48bb78;
    --tag-ventas: #ed8936;

    /* Colores de prioridad */
    --priority-high: #f56565;
    --priority-medium: #ed8936;
    --priority-low: #4299e1;

    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Bordes y sombras */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --box-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --box-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    /* Tamaños de fuente */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
}

/* Estilos generales */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    overflow-x: hidden;
}

.dashboard {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.main-content {
    flex: 1;
    padding: var(--spacing-md);
    transition: margin-left 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.top-bar {
    background-color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--box-shadow-sm);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.top-bar h1 {
    font-size: var(--font-size-xl);
    color: var(--text-color);
    margin: 0;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--text-color);
}

.top-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Contenido principal */
.content {
    display: grid;
    grid-template-columns: 250px 1fr 300px;
    gap: var(--spacing-lg);
    flex: 1;
    overflow: hidden;
    height: calc(100vh - 150px);
}

/* Selector de tablero */
.board-selector {
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.board-selector-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.board-selector-header h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.board-search {
    position: relative;
}

.board-search input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

.board-search i {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: #999;
}

.board-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.board-item {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-xs);
    cursor: pointer;
    transition: background-color 0.2s;
}

.board-item:hover {
    background-color: var(--light-color);
}

.board-item.active {
    background-color: rgba(255, 165, 0, 0.1);
    border-left: 3px solid var(--primary-color);
}

.board-item-title {
    font-weight: 500;
    margin-bottom: 3px;
}

.board-item-info {
    font-size: var(--font-size-xs);
    color: #777;
}

/* Tablero principal */
.board-container {
    display: flex;
    flex-direction: column;
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-sm);
    overflow: hidden;
    height: 100%;
}

.board-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.board-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.board-title h2 {
    font-size: var(--font-size-xl);
    margin: 0;
}

.board-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

.board-filter select {
    padding: var(--spacing-sm) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

.board {
    flex: 1;
    overflow: hidden;
    padding: var(--spacing-md);
    background-color: #f0f2f5;
}

.board-columns {
    display: flex;
    gap: var(--spacing-md);
    height: 100%;
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-color) transparent;
}

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

.board-columns::-webkit-scrollbar-track {
    background: transparent;
}

.board-columns::-webkit-scrollbar-thumb {
    background-color: var(--secondary-color);
    border-radius: 20px;
}

.board-column {
    min-width: 280px;
    width: 280px;
    background-color: #ebecf0;
    border-radius: var(--border-radius-md);
    display: flex;
    flex-direction: column;
    max-height: 100%;
}

.column-header {
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top-left-radius: var(--border-radius-md);
    border-top-right-radius: var(--border-radius-md);
}

.column-header.blue {
    background-color: var(--column-blue);
    color: white;
}

.column-header.green {
    background-color: var(--column-green);
    color: white;
}

.column-header.orange {
    background-color: var(--column-orange);
    color: white;
}

.column-header.purple {
    background-color: var(--column-purple);
    color: white;
}

.column-header.red {
    background-color: var(--column-red);
    color: white;
}

.column-title {
    font-weight: 600;
    font-size: var(--font-size-md);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.column-count {
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    padding: 2px 8px;
    font-size: var(--font-size-xs);
}

.column-actions {
    display: flex;
    gap: 5px;
}

.column-actions button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: var(--font-size-sm);
    opacity: 0.8;
    transition: opacity 0.2s;
    padding: var(--spacing-xs);
}

.column-actions button:hover {
    opacity: 1;
}

.column-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-color) transparent;
}

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

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

.column-content::-webkit-scrollbar-thumb {
    background-color: var(--secondary-color);
    border-radius: 20px;
}

.add-task-btn {
    margin: 5px 10px 10px;
    padding: var(--spacing-sm);
    background-color: rgba(0, 0, 0, 0.05);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: background-color 0.2s;
    width: calc(100% - 20px);
}

.add-task-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

/* Tarjetas de tareas */
.task-card {
    background-color: white;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--box-shadow-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-md);
}

.task-card.dragging {
    opacity: 0.7;
    transform: rotate(2deg);
}

.task-title {
    font-weight: 500;
    margin-bottom: 5px;
    word-break: break-word;
    font-size: var(--font-size-sm);
}

.task-due-date {
    font-size: var(--font-size-xs);
    color: #666;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 5px;
}

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

.overdue-badge {
    background-color: var(--danger-color);
    color: white;
    font-size: 0.65rem;
    padding: 1px 4px;
    border-radius: 3px;
    margin-left: 3px;
}

.task-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: var(--spacing-sm);
}

.task-tag {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 10px;
    color: white;
}

.task-tag.desarrollo {
    background-color: var(--tag-desarrollo);
}

.task-tag.diseño {
    background-color: var(--tag-diseño);
}

.task-tag.marketing {
    background-color: var(--tag-marketing);
}

.task-tag.ventas {
    background-color: var(--tag-ventas);
}

.task-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
}

.task-assignee {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: var(--font-size-xs);
    color: #666;
}

.task-assignee-avatar {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: #666;
}

.task-priority {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.priority-high {
    background-color: var(--priority-high);
}

.priority-medium {
    background-color: var(--priority-medium);
}

.priority-low {
    background-color: var(--priority-low);
}

/* Calendario */
.calendar-container {
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.calendar-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.calendar-header h2 {
    font-size: var(--font-size-lg);
    margin: 0;
}

.calendar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.calendar {
    padding: var(--spacing-sm);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.calendar-day-header {
    text-align: center;
    font-weight: 500;
    font-size: var(--font-size-xs);
    padding: 5px;
    color: #666;
}

.calendar-day {
    aspect-ratio: 1;
    border: 1px solid #eee;
    border-radius: var(--border-radius-sm);
    padding: 2px;
    font-size: var(--font-size-xs);
    position: relative;
    overflow: hidden;
}

.calendar-day.today {
    background-color: rgba(255, 165, 0, 0.1);
    border-color: var(--primary-color);
}

.calendar-day.other-month {
    opacity: 0.4;
}

.calendar-day-number {
    position: absolute;
    top: 2px;
    right: 2px;
    font-size: 0.65rem;
    font-weight: 500;
}

.calendar-day-events {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.calendar-event {
    height: 4px;
    border-radius: 2px;
    margin-bottom: 2px;
}

.calendar-event.priority-high {
    background-color: var(--priority-high);
}

.calendar-event.priority-medium {
    background-color: var(--priority-medium);
}

.calendar-event.priority-low {
    background-color: var(--priority-low);
}

.calendar-event-more {
    font-size: 0.6rem;
    text-align: center;
    color: #666;
}

.upcoming-events {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-color) transparent;
}

.upcoming-events::-webkit-scrollbar {
    width: 6px;
}

.upcoming-events::-webkit-scrollbar-track {
    background: transparent;
}

.upcoming-events::-webkit-scrollbar-thumb {
    background-color: var(--secondary-color);
    border-radius: 20px;
}

.upcoming-events h3 {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-sm);
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.event-item {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background-color: #f8f9fa;
    border-left: 3px solid var(--primary-color);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.event-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-sm);
}

.event-item.priority-high {
    border-left-color: var(--priority-high);
}

.event-item.priority-medium {
    border-left-color: var(--priority-medium);
}

.event-item.priority-low {
    border-left-color: var(--priority-low);
}

.event-title {
    font-weight: 500;
    margin-bottom: 5px;
    font-size: var(--font-size-sm);
}

.event-date {
    font-size: var(--font-size-xs);
    color: #666;
    display: flex;
    align-items: center;
    gap: 5px;
}

.event-source {
    font-size: 0.65rem;
    color: #999;
    margin-top: 5px;
}

.no-events {
    color: #666;
    font-size: var(--font-size-sm);
    text-align: center;
    padding: var(--spacing-md);
}

/* Botones */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
    border: none;
    min-height: 40px;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #e69500;
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-sm);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-sm);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-sm);
}

.btn-google {
    background-color: #4285f4;
    color: white;
}

.btn-google:hover {
    background-color: #3367d6;
}

.btn-icon {
    background: none;
    border: none;
    font-size: var(--font-size-md);
    color: #666;
    cursor: pointer;
    padding: 5px;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.2s;
    min-width: 36px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* Modales */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
}

.modal-content {
    background-color: white;
    border-radius: var(--border-radius-md);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalFadeIn 0.3s ease-out;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background-color: white;
    z-index: 1;
}

.modal-header h2 {
    font-size: var(--font-size-lg);
    color: var(--text-color);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #777;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.modal-close:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    position: sticky;
    bottom: 0;
    background-color: white;
    z-index: 1;
}

/* Formularios */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    min-height: 40px;
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

/* Etiquetas en formulario */
.task-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag-item {
    display: flex;
    align-items: center;
}

.tag-item input[type="checkbox"] {
    display: none;
}

.tag-label {
    padding: 4px 10px;
    border-radius: 15px;
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: opacity 0.2s;
    color: white;
    min-height: 28px;
    display: flex;
    align-items: center;
}

.tag-label:hover {
    opacity: 0.8;
}

.tag-item input[type="checkbox"]:checked+.tag-label {
    box-shadow: 0 0 0 2px white, 0 0 0 4px currentColor;
}

.tag-desarrollo {
    background-color: var(--tag-desarrollo);
}

.tag-diseño {
    background-color: var(--tag-diseño);
}

.tag-marketing {
    background-color: var(--tag-marketing);
}

.tag-ventas {
    background-color: var(--tag-ventas);
}

/* Opciones de calendario */
.calendar-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 36px;
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

/* Google Auth */
.google-auth-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.google-logo {
    font-size: 3rem;
    color: #4285f4;
}

/* Detalles de tarea */
.task-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.task-details-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.task-details-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 5px;
}

.task-details-column {
    font-size: var(--font-size-sm);
    color: #666;
}

.task-details-section {
    margin-bottom: var(--spacing-md);
}

.task-details-section h3 {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-sm);
    color: #555;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
}

.task-details-description {
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: #333;
    white-space: pre-line;
}

.task-details-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.task-details-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.task-details-label {
    font-size: var(--font-size-xs);
    color: #666;
    font-weight: 500;
}

.task-details-value {
    font-size: var(--font-size-sm);
}

.task-details-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

/* Animaciones */
@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Indicador de desplazamiento horizontal */
.scroll-indicator {
    display: none;
    text-align: center;
    padding: var(--spacing-xs) 0;
    color: #666;
    font-size: var(--font-size-xs);
}

/* Responsive */
@media (max-width: 1400px) {
    .content {
        grid-template-columns: 220px 1fr 280px;
    }
}

@media (max-width: 1200px) {
    .content {
        grid-template-columns: 200px 1fr 250px;
    }

    .board-column {
        min-width: 250px;
        width: 250px;
    }
}

@media (max-width: 992px) {
    .content {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        height: auto;
    }

    .board-selector {
        display: none;
    }

    .calendar-container {
        max-height: 400px;
        margin-top: var(--spacing-md);
    }

    .scroll-indicator {
        display: block;
    }

    .board-container {
        height: 600px;
    }
}

@media (max-width: 768px) {
    .top-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .top-actions {
        width: 100%;
        justify-content: space-between;
    }

    .board-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }

    .board-actions {
        width: 100%;
        justify-content: space-between;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .modal-footer {
        flex-direction: column;
    }

    .modal-footer .btn {
        width: 100%;
    }

    .task-details-meta {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .main-content {
        padding: var(--spacing-sm);
    }

    .top-bar {
        padding: var(--spacing-md);
    }

    .top-bar h1 {
        font-size: var(--font-size-lg);
    }

    .board-title h2 {
        font-size: var(--font-size-lg);
    }

    .calendar-header h2 {
        font-size: var(--font-size-md);
    }

    .board-column {
        min-width: 220px;
        width: 220px;
    }

    .column-title {
        max-width: 140px;
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .calendar-grid {
        font-size: 0.7rem;
    }

    .calendar-day-header {
        font-size: 0.7rem;
    }
}

/* Mejoras de accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}

/* Soporte para modo táctil */
@media (pointer: coarse) {

    .btn,
    .btn-icon,
    .column-actions button,
    .modal-close,
    .add-task-btn {
        min-height: 44px;
        min-width: 44px;
    }

    .tag-label {
        min-height: 36px;
        padding: 8px 12px;
    }

    .checkbox-item {
        min-height: 44px;
    }

    .task-card {
        padding: var(--spacing-md);
    }
}

/* Optimizaciones para dispositivos móviles */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .board-columns-wrapper {
        position: relative;
    }

    .board-column-toggle {
        display: flex;
        gap: var(--spacing-xs);
        overflow-x: auto;
        padding: var(--spacing-xs) 0;
        margin-bottom: var(--spacing-sm);
    }

    .column-toggle-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        border-radius: var(--border-radius-sm);
        font-size: var(--font-size-xs);
        white-space: nowrap;
        border: none;
        background-color: #f0f2f5;
        cursor: pointer;
    }

    .column-toggle-btn.active {
        background-color: var(--primary-color);
        color: white;
    }

    /* Vista de tarjeta para móviles */
    .mobile-card-view .task-card {
        margin-bottom: var(--spacing-md);
        border-left: 4px solid var(--primary-color);
    }

    .mobile-card-view .task-card.priority-high {
        border-left-color: var(--priority-high);
    }

    .mobile-card-view .task-card.priority-medium {
        border-left-color: var(--priority-medium);
    }

    .mobile-card-view .task-card.priority-low {
        border-left-color: var(--priority-low);
    }

    .mobile-card-view .task-column-indicator {
        display: inline-block;
        font-size: var(--font-size-xs);
        color: #666;
        margin-bottom: var(--spacing-xs);
    }
}

/* Soporte para pantallas de alta densidad */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {

    .task-card,
    .board-column,
    .calendar-container,
    .board-selector,
    .board-container {
        box-shadow: 0 0.5px 1.5px rgba(0, 0, 0, 0.1);
    }
}

/* Soporte para modo oscuro del sistema (desactivado para mantener fondo blanco) */
@media (prefers-color-scheme: dark) {
    :root {
        /* Mantenemos el fondo blanco como solicitado */
        --background-color: #ffffff;
        --text-color: #333;
    }

    /* Resto de estilos permanecen igual para mantener el fondo blanco */
}