/* ====================================
   Admin - Asignación de Mesas
   Production-grade styles
   ==================================== */

/* CSS Variables */
:root {
    --asig-primary: #3b82f6;
    --asig-primary-light: #93c5fd;
    --asig-success: #22c55e;
    --asig-success-light: #bbf7d0;
    --asig-warning: #f59e0b;
    --asig-warning-light: #fde68a;
    --asig-danger: #ef4444;
    --asig-danger-light: #fecaca;
    --asig-muted: #6b7280;
    --asig-border: #e5e7eb;
    --asig-bg-subtle: #f9fafb;
    --asig-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --asig-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
    --asig-radius: 0.5rem;
    --asig-radius-lg: 0.75rem;
    --asig-transition: all 0.2s ease;
}

/* Dark mode support */
[data-bs-theme="dark"] {
    --asig-border: #374151;
    --asig-bg-subtle: #1f2937;
    --asig-muted: #9ca3af;
}

/* ====================================
   Page Layout
   ==================================== */

.asignacion-page {
    min-height: calc(100vh - 120px);
}

.asignacion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.asignacion-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0;
}

.asignacion-filters {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ====================================
   Stats Cards
   ==================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bs-body-bg);
    border: 1px solid var(--asig-border);
    border-radius: var(--asig-radius-lg);
    padding: 1.25rem;
    transition: var(--asig-transition);
}

.stat-card:hover {
    box-shadow: var(--asig-shadow);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.stat-card .stat-icon.primary {
    background: rgba(59, 130, 246, 0.1);
    color: var(--asig-primary);
}

.stat-card .stat-icon.success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--asig-success);
}

.stat-card .stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--asig-warning);
}

.stat-card .stat-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--asig-danger);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--asig-muted);
}

/* ====================================
   Two-Panel Layout
   ==================================== */

.asignacion-panels {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 1.5rem;
    min-height: 600px;
}

@media (max-width: 1200px) {
    .asignacion-panels {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bs-body-bg);
    border: 1px solid var(--asig-border);
    border-radius: var(--asig-radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--asig-border);
    background: var(--asig-bg-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-header .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

.panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

/* ====================================
   Mesero Card
   ==================================== */

.mesero-card {
    background: var(--bs-body-bg);
    border: 2px solid var(--asig-border);
    border-radius: var(--asig-radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: var(--asig-transition);
    position: relative;
}

.mesero-card:hover {
    border-color: var(--asig-primary-light);
    box-shadow: var(--asig-shadow);
}

.mesero-card.seleccionado {
    border-color: var(--asig-primary);
    background: rgba(59, 130, 246, 0.05);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.mesero-card .mesero-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.mesero-card .avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
    color: white;
    flex-shrink: 0;
}

.mesero-card .avatar-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.mesero-card .mesero-info {
    flex: 1;
    min-width: 0;
}

.mesero-card .mesero-nombre {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mesero-card .mesero-turno {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--asig-muted);
}

.mesero-card .turno-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.mesero-card .turno-badge.activo {
    background: var(--asig-success-light);
    color: #166534;
}

.mesero-card .turno-badge.inactivo {
    background: var(--asig-bg-subtle);
    color: var(--asig-muted);
}

.mesero-card .mesero-stats {
    display: flex;
    gap: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--asig-border);
}

.mesero-card .mesero-stat {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--asig-muted);
}

.mesero-card .mesero-stat i {
    font-size: 1rem;
}

.mesero-card .mesero-stat .stat-number {
    font-weight: 600;
    color: var(--bs-body-color);
}

/* Selection indicator */
.mesero-card .selection-indicator {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--asig-border);
    transition: var(--asig-transition);
}

.mesero-card.seleccionado .selection-indicator {
    background: var(--asig-primary);
    border-color: var(--asig-primary);
}

.mesero-card.seleccionado .selection-indicator::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 3px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* ====================================
   Mesa Card (Asignación)
   ==================================== */

.mesas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
}

.mesa-asignacion {
    aspect-ratio: 1;
    border: 2px solid var(--asig-border);
    border-radius: var(--asig-radius);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--asig-transition);
    position: relative;
    background: var(--bs-body-bg);
}

.mesa-asignacion:hover {
    border-color: var(--asig-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--asig-shadow);
}

.mesa-asignacion.seleccionada {
    border-color: var(--asig-primary);
    background: rgba(59, 130, 246, 0.1);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.mesa-asignacion.asignada {
    border-color: var(--asig-success);
    background: rgba(34, 197, 94, 0.05);
}

.mesa-asignacion.asignada-otro {
    border-color: var(--asig-warning);
    background: rgba(245, 158, 11, 0.05);
}

.mesa-asignacion.fuera-servicio {
    border-color: var(--asig-danger-light);
    background: rgba(239, 68, 68, 0.05);
    opacity: 0.6;
    cursor: not-allowed;
}

.mesa-asignacion .mesa-numero {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.375rem;
}

.mesa-asignacion .mesa-capacidad {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--asig-muted);
}

.mesa-asignacion .mesa-asignado {
    font-size: 0.6875rem;
    color: var(--asig-muted);
    text-align: center;
    margin-top: 0.375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.mesa-asignacion .check-indicator {
    position: absolute;
    top: 0.375rem;
    right: 0.375rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--asig-success);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    opacity: 0;
    transform: scale(0);
    transition: var(--asig-transition);
}

.mesa-asignacion.seleccionada .check-indicator,
.mesa-asignacion.asignada .check-indicator {
    opacity: 1;
    transform: scale(1);
}

/* ====================================
   Area Section
   ==================================== */

.area-section {
    margin-bottom: 1.5rem;
}

.area-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--asig-bg-subtle);
    border-radius: var(--asig-radius);
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: var(--asig-transition);
}

.area-header:hover {
    background: var(--asig-border);
}

.area-header .area-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.area-header .area-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}

.area-header .area-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.area-header .area-stats {
    display: flex;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--asig-muted);
}

.area-header .area-stats .assigned {
    color: var(--asig-success);
}

.area-header .collapse-icon {
    transition: transform 0.2s ease;
}

.area-header.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.area-mesas {
    padding: 0.5rem;
}

/* ====================================
   Action Bar
   ==================================== */

.action-bar {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem 1.25rem;
    background: var(--bs-body-bg);
    border-top: 1px solid var(--asig-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
}

.action-bar .selection-info {
    font-size: 0.875rem;
    color: var(--asig-muted);
}

.action-bar .selection-info strong {
    color: var(--bs-body-color);
}

.action-bar .action-buttons {
    display: flex;
    gap: 0.75rem;
}

/* ====================================
   Transfer Modal
   ==================================== */

.transfer-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--asig-bg-subtle);
    border-radius: var(--asig-radius);
    margin-bottom: 1.5rem;
}

.transfer-preview .transfer-item {
    text-align: center;
}

.transfer-preview .transfer-item .avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.25rem;
    color: white;
    margin: 0 auto 0.5rem;
}

.transfer-preview .transfer-item .name {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.transfer-preview .transfer-item .mesas-count {
    font-size: 0.8125rem;
    color: var(--asig-muted);
}

.transfer-preview .transfer-arrow {
    font-size: 1.5rem;
    color: var(--asig-primary);
}

.transfer-mesas-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--asig-border);
    border-radius: var(--asig-radius);
}

.transfer-mesa-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--asig-border);
}

.transfer-mesa-item:last-child {
    border-bottom: none;
}

.transfer-mesa-item input[type="checkbox"] {
    margin-right: 0.75rem;
}

/* ====================================
   Empty States
   ==================================== */

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--asig-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--bs-body-color);
}

.empty-state p {
    font-size: 0.875rem;
    margin: 0;
}

/* ====================================
   Responsive Adjustments
   ==================================== */

@media (max-width: 768px) {
    .asignacion-header {
        flex-direction: column;
        align-items: stretch;
    }

    .asignacion-filters {
        flex-direction: column;
    }

    .asignacion-filters select {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mesas-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    .action-bar {
        flex-direction: column;
        gap: 0.75rem;
    }

    .action-bar .action-buttons {
        width: 100%;
    }

    .action-bar .action-buttons .btn {
        flex: 1;
    }
}

/* ====================================
   Animations
   ==================================== */

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.mesa-asignacion.seleccionada {
    animation: pulse 0.3s ease;
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--asig-bg-subtle) 25%, var(--asig-border) 50%, var(--asig-bg-subtle) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--asig-radius);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}