/* ============================================
   DASHBOARD - DIFUNDIR PYMES
   Panel de control escalable
   ============================================ */

/* ============================================
   LAYOUT BASE
   ============================================ */
body.dashboard-page {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--dif-text);
    background-color: var(--dif-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.dashboard-page *,
body.dashboard-page *::before,
body.dashboard-page *::after {
    box-sizing: border-box;
}

/* ============================================
   HEADER
   ============================================ */
.dashboard-header {
    background: linear-gradient(135deg, #1A3548 0%, #0D1F2D 100%);
    padding: 0 var(--spacing-lg);
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #FFFFFF;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

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

.logo-dif {
    background-color: var(--dif-primary);
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 9999px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-dif img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo-text {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #FFFFFF;
}

/* User Menu */
.header-right {
    display: flex;
    align-items: center;
}

.user-menu {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: none;
    border: none;
    color: #FFFFFF;
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.user-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.user-avatar {
    width: 2rem;
    height: 2rem;
    background-color: var(--dif-primary);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.chevron-icon {
    transition: transform var(--transition-fast);
}

.user-menu.active .chevron-icon {
    transform: rotate(180deg);
}

/* User Dropdown */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background-color: var(--dif-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--dif-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-base);
    z-index: 200;
}

.user-menu.active .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--dif-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-fast);
}

.dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dropdown-item:hover {
    background-color: var(--dif-bg);
}

.dropdown-item--danger {
    color: var(--dif-danger);
}

.dropdown-item--danger:hover {
    background-color: rgba(239, 68, 68, 0.08);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--dif-border);
    margin: var(--spacing-xs) 0;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.dashboard-layout {
    display: flex;
    flex: 1;
    position: relative;
}

/* ============================================
   SIDEBAR
   ============================================ */
.dashboard-sidebar {
    width: 260px;
    background-color: var(--dif-surface);
    border-right: 1px solid var(--dif-border);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 64px;
    height: calc(100vh - 64px);
    overflow-y: auto;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin: 2px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--dif-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    margin: 0 var(--spacing-sm);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.nav-link:hover {
    color: var(--dif-text);
    background-color: var(--dif-bg);
}

.nav-link.active {
    color: var(--dif-primary-600);
    background-color: rgba(91, 186, 208, 0.08);
    border-left-color: var(--dif-primary);
    font-weight: 600;
}

.nav-link svg {
    flex-shrink: 0;
}

.nav-badge {
    margin-left: auto;
    background-color: var(--dif-danger);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 9999px;
    min-width: 20px;
    text-align: center;
}

.nav-divider {
    height: 1px;
    background-color: var(--dif-border);
    margin: var(--spacing-md) var(--spacing-lg);
}

/* Overlay para móvil */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* ============================================
   CONTENIDO PRINCIPAL
   ============================================ */
.dashboard-main {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1200px;
    width: 100%;
}

.dashboard-section {
    display: none;
}

.dashboard-section.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dif-navy);
    margin: 0 0 var(--spacing-xs) 0;
}

.section-subtitle {
    font-size: var(--font-size-base);
    color: var(--dif-muted);
    margin: 0;
}

/* ============================================
   STATS GRID
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background-color: var(--dif-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--dif-border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon--primary {
    background-color: rgba(91, 186, 208, 0.12);
    color: var(--dif-primary-600);
}

.stat-icon--warning {
    background-color: rgba(245, 158, 11, 0.12);
    color: var(--dif-warning);
}

.stat-icon--success {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--dif-success);
}

.stat-icon--danger {
    background-color: rgba(239, 68, 68, 0.12);
    color: var(--dif-danger);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dif-navy);
    line-height: 1.2;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--dif-muted);
}

/* ============================================
   ACTIVIDAD RECIENTE
   ============================================ */
.recent-activity {
    background-color: var(--dif-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--dif-border);
}

.subsection-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dif-navy);
    margin: 0 0 var(--spacing-md) 0;
}

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

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--dif-bg);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.activity-item:hover {
    background-color: rgba(91, 186, 208, 0.05);
}

.activity-icon {
    width: 32px;
    height: 32px;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon--success {
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--dif-success);
}

.activity-icon--info {
    background-color: rgba(91, 186, 208, 0.15);
    color: var(--dif-primary-600);
}

.activity-icon--warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--dif-warning);
}

.activity-content {
    flex: 1;
}

.activity-text {
    font-size: var(--font-size-sm);
    color: var(--dif-text);
    margin: 0 0 var(--spacing-xs) 0;
}

.activity-time {
    font-size: 0.8125rem;
    color: var(--dif-muted);
}

/* ============================================
   QR CARDS
   ============================================ */
.qr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.qr-card {
    background-color: var(--dif-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--dif-border);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.qr-card--active {
    border-color: rgba(91, 186, 208, 0.3);
}

.qr-card--used {
    border-color: var(--dif-border);
}

.qr-status {
    display: flex;
    justify-content: flex-end;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-badge--active {
    background-color: rgba(34, 197, 94, 0.12);
    color: var(--dif-success);
}

.status-badge--used {
    background-color: rgba(107, 114, 128, 0.12);
    color: var(--dif-muted);
}

.qr-image {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background-color: var(--dif-bg);
    border-radius: var(--radius-md);
    position: relative;
}

.qr-placeholder {
    width: 140px;
    height: 140px;
    border-radius: var(--radius-sm);
}

.qr-image--faded {
    opacity: 0.7;
}

.qr-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
}

.qr-overlay svg {
    color: var(--dif-success);
    background-color: rgba(34, 197, 94, 0.15);
    border-radius: 9999px;
    padding: 8px;
    width: 48px;
    height: 48px;
}

.qr-info {
    text-align: center;
}

.qr-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--dif-navy);
    margin: 0 0 4px 0;
}

.qr-date {
    font-size: var(--font-size-sm);
    color: var(--dif-muted);
    margin: 0;
}

.qr-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--dif-primary);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.qr-btn:hover {
    background-color: var(--dif-primary-600);
}

.qr-btn--secondary {
    background-color: var(--dif-bg);
    color: var(--dif-text);
    border: 1px solid var(--dif-border);
}

.qr-btn--secondary:hover {
    background-color: var(--dif-border);
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: var(--spacing-md);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--dif-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(-20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: var(--dif-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    color: var(--dif-text);
    background-color: var(--dif-bg);
}

.modal-header {
    padding: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    text-align: center;
}

.modal-status {
    margin-bottom: var(--spacing-sm);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dif-navy);
    margin: 0;
}

.modal-body {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
}

.modal-qr {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background-color: var(--dif-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.modal-qr svg {
    width: 180px;
    height: 180px;
}

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

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--dif-border);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: var(--font-size-sm);
    color: var(--dif-muted);
    font-weight: 500;
}

.detail-value {
    font-size: var(--font-size-sm);
    color: var(--dif-text);
    font-weight: 500;
    text-align: right;
    max-width: 60%;
}

.detail-value--active {
    color: var(--dif-success);
}

.detail-value--used {
    color: var(--dif-muted);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    background-color: var(--dif-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--dif-border);
}

.empty-state svg {
    color: var(--dif-muted);
    opacity: 0.5;
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dif-navy);
    margin: 0 0 var(--spacing-xs) 0;
}

.empty-state p {
    font-size: var(--font-size-sm);
    color: var(--dif-muted);
    margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.dashboard-footer {
    background: linear-gradient(135deg, #1A3548 0%, #0D1F2D 100%);
    padding: var(--spacing-md);
    margin-top: auto;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.dashboard-footer .footer-icon {
    color: #9CA3AF;
}

.dashboard-footer .footer-text-muted {
    color: #9CA3AF;
    font-size: var(--font-size-sm);
}

.dashboard-footer .footer-brand {
    color: var(--dif-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.dashboard-footer .footer-brand:hover {
    color: #8DD3E2;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .dashboard-main {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .dashboard-sidebar {
        position: fixed;
        left: 0;
        top: 64px;
        height: calc(100vh - 64px);
        z-index: 95;
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }

    .dashboard-sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }

    .dashboard-main {
        padding: var(--spacing-md);
    }

    .section-title {
        font-size: var(--font-size-xl);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .user-name {
        display: none;
    }

}

@media (max-width: 480px) {
    .dashboard-header {
        padding: 0 var(--spacing-md);
    }

    .logo-text {
        display: none;
    }

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

    .stat-icon {
        width: 40px;
        height: 40px;
    }

    .stat-value {
        font-size: 1.5rem;
    }
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */
body.dashboard-page *:focus-visible {
    outline: 2px solid var(--dif-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    body.dashboard-page * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}