/* ============================================
   ERP PRODUCCIÓN - ESTILO PLAYKIT
   Diseño moderno con sidebar azul oscuro
   ============================================ */

:root {
    /* Colores principales - Tema PlayKit */
    --primary-color: #3b5276;
    --primary-dark: #2a3d5a;
    --primary-light: #4d6488;
    --accent-color: #5dade2;
    
    /* Colores de estado */
    --success-color: #27ae60;
    --success-light: #5dd68d;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #3498db;
    
    /* Colores de fondo */
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    
    /* Colores de texto */
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-light: #95a5a6;
    --text-white: #ffffff;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Bordes */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-color: #e1e8ed;
    
    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Sidebar */
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 70px;
}

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    overflow-y: auto;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.logo-subtitle {
    font-size: 11px;
    opacity: 0.7;
    margin-top: -4px;
}

/* Navegación del sidebar */
.sidebar-nav {
    padding: var(--spacing-md) 0;
}

.nav-section-title {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.5;
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-white);
    border-left: 3px solid var(--accent-color);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--accent-color);
}

.nav-icon {
    font-size: 20px;
    margin-right: var(--spacing-md);
    width: 24px;
    text-align: center;
}

.nav-text {
    font-size: 14px;
    font-weight: 500;
}

.nav-badge {
    margin-left: auto;
    background: var(--danger-color);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

/* ============================================
   CONTENIDO PRINCIPAL
   ============================================ */

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* Header superior */
.top-header {
    background: var(--bg-white);
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.page-title-section {
    flex: 1;
}

.page-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

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

.breadcrumb-separator {
    margin: 0 var(--spacing-xs);
}

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

.header-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-right: var(--spacing-lg);
}

.header-stat {
    text-align: center;
}

.header-stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.header-stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.trend-icon {
    font-size: 14px;
}

.trend-up { color: var(--success-color); }
.trend-down { color: var(--danger-color); }

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.user-info:hover {
    background: var(--bg-light);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.user-details {
    text-align: right;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================
   CONTENEDOR DE CONTENIDO
   ============================================ */

.content-wrapper {
    padding: var(--spacing-xl);
}

/* Welcome Section */
.welcome-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.welcome-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.welcome-subtitle {
    font-size: 16px;
    opacity: 0.9;
}

/* ============================================
   CARDS Y MÉTRICAS
   ============================================ */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.metric-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.metric-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.metric-info {
    flex: 1;
}

.metric-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.metric-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.metric-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.metric-icon.success { background: linear-gradient(135deg, var(--success-color), var(--success-light)); }
.metric-icon.warning { background: linear-gradient(135deg, #f39c12, #f1c40f); }
.metric-icon.danger { background: linear-gradient(135deg, #e74c3c, #e67e73); }
.metric-icon.info { background: linear-gradient(135deg, #3498db, #5dade2); }
.metric-icon.primary { background: linear-gradient(135deg, var(--primary-color), var(--accent-color)); }

.metric-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-md);
}

.metric-change {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
}

.metric-change.positive {
    color: var(--success-color);
}

.metric-change.negative {
    color: var(--danger-color);
}

.metric-period {
    font-size: 12px;
    color: var(--text-light);
}

/* ============================================
   CARDS DE CONTENIDO
   ============================================ */

.content-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-title-icon {
    font-size: 20px;
    color: var(--primary-color);
}

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

.card-body {
    padding: var(--spacing-md) 0;
}

/* ============================================
   BOTONES
   ============================================ */

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
    justify-content: center;
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

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

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
}

/* ============================================
   FORMULARIOS
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-label.required::after {
    content: '*';
    color: var(--danger-color);
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 82, 118, 0.1);
}

.form-control::placeholder {
    color: var(--text-light);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

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

.form-help {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   TABLAS
   ============================================ */

.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.table thead {
    background: var(--bg-light);
    border-bottom: 2px solid var(--border-color);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-primary);
}

.table tbody tr:hover {
    background: var(--bg-light);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

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

/* ============================================
   BADGES Y TAGS
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
}

.badge-success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(243, 156, 18, 0.1);
    color: var(--warning-color);
}

.badge-danger {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
}

.badge-info {
    background: rgba(52, 152, 219, 0.1);
    color: var(--info-color);
}

.badge-primary {
    background: rgba(59, 82, 118, 0.1);
    color: var(--primary-color);
}

/* ============================================
   GRÁFICOS
   ============================================ */

.chart-container {
    position: relative;
    height: 300px;
    margin-top: var(--spacing-lg);
}

.chart-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(93, 173, 226, 0.1) 0%, rgba(93, 173, 226, 0.05) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ============================================
   ALERTAS Y NOTIFICACIONES
   ============================================ */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    border-left: 4px solid;
}

.alert-icon {
    font-size: 20px;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
    border-color: var(--success-color);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    color: var(--warning-color);
    border-color: var(--warning-color);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.alert-info {
    background: rgba(52, 152, 219, 0.1);
    color: var(--info-color);
    border-color: var(--info-color);
}

/* ============================================
   UTILIDADES
   ============================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }
.text-info { color: var(--info-color); }
.text-muted { color: var(--text-secondary); }

.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet y móvil grande (max-width: 1024px) */
@media (max-width: 1024px) {
    .sidebar {
        width: 220px;
    }
    
    .main-content {
        margin-left: 220px;
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-wrapper {
        padding: var(--spacing-lg);
    }
}

/* Tablet (max-width: 768px) */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .header-stats {
        display: none;
    }
    
    .top-header {
        padding: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .page-title-section {
        width: 100%;
    }
    
    .header-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .content-wrapper {
        padding: var(--spacing-md);
    }
    
    .page-title {
        font-size: 22px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        min-width: 600px;
    }
    
    .metric-card {
        padding: var(--spacing-md);
    }
    
    .metric-value {
        font-size: 24px;
    }
    
    .card-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .card-actions .btn {
        width: 100%;
    }
}

/* Móvil (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        --sidebar-width: 100%;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .top-header {
        padding: var(--spacing-sm);
    }
    
    .content-wrapper {
        padding: var(--spacing-sm);
    }
    
    .page-title {
        font-size: 18px;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
    
    .metric-card {
        padding: var(--spacing-sm);
    }
    
    .metric-label {
        font-size: 11px;
    }
    
    .metric-value {
        font-size: 20px;
    }
    
    .metric-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .content-card {
        padding: var(--spacing-md);
    }
    
    .card-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .card-title {
        font-size: 16px;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .btn-sm {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .form-label {
        font-size: 13px;
    }
    
    .form-control {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .table {
        font-size: 12px;
    }
    
    .table th,
    .table td {
        padding: 8px;
    }
    
    .badge {
        font-size: 10px;
        padding: 3px 8px;
    }
    
    .user-info {
        display: none;
    }
    
    .alert {
        padding: var(--spacing-sm);
        font-size: 13px;
    }
    
    .d-flex.gap-2 {
        flex-direction: column;
    }
    
    .d-flex.gap-2 .btn {
        width: 100%;
    }
}

/* Botón de menú móvil */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    z-index: 999;
    font-size: 24px;
    align-items: center;
    justify-content: center;
}

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

/* Overlay para cerrar sidebar en móvil */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

@media (max-width: 768px) {
    .sidebar-overlay.active {
        display: block;
    }
}

/* ============================================
   ANIMACIONES
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.spinner {
    border: 3px solid rgba(59, 82, 118, 0.1);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}