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

:root {
    /* Colores principales */
    --primary-color: #0073e6;
    --primary-dark: #005bb5;
    --secondary-color: #00a86b;
    --accent-color: #ff6b35;
    --warning-color: #ffa500;
    --danger-color: #e74c3c;
    --success-color: #27ae60;
    
    /* Colores neutros - Modo claro */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Variables de tema - MODO CLARO */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-700);
    --text-tertiary: var(--gray-500);
    --border-color: var(--gray-200);
    --shadow-color: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    
    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Espaciado */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Bordes */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Layout */
    --sidebar-width: 280px;
    --header-height: 70px;
}

/* Modo oscuro */
[data-theme="dark"] {
    /* Variables de tema - MODO OSCURO */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #ffffff;
    --text-secondary: #e5e5e5;
    --text-tertiary: #b0b0b0;
    --border-color: #404040;
    --shadow-color: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    
    /* Ajustes de colores para mejor contraste en modo oscuro */
    --primary-color: #4da6ff;
    --primary-dark: #3d8bff;
    --secondary-color: #4ade80;
    --accent-color: #ff8c5a;
    --warning-color: #fbbf24;
    --danger-color: #f87171;
    --success-color: #4ade80;
}

/* Estilos base */
body {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 2px 0 var(--shadow-color);
    z-index: 1000;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--spacing-6);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--border-radius-md);
    transition: all 0.2s;
}

.mobile-menu-toggle:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo-section img {
    width: 40px;
    height: 40px;
}

.logo-text h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.logo-text span {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.user-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.theme-toggle {
    background: none;
    border: none;
    padding: var(--spacing-2);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-tertiary);
    font-size: var(--font-size-lg);
}

.theme-toggle:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.notifications {
    position: relative;
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--border-radius-md);
    transition: background-color 0.2s;
}

.notifications:hover {
    background-color: var(--gray-100);
}

.notifications i {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

.notification-count {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--danger-color);
    color: var(--white);
    font-size: var(--font-size-xs);
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background-color 0.2s;
}

.user-profile:hover {
    background-color: var(--gray-100);
}

.user-profile img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.user-profile span {
    font-weight: 500;
    color: var(--gray-700);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    box-shadow: var(--shadow-color);
    overflow-y: auto;
    z-index: 900;
    transition: all 0.3s ease;
}

.nav-menu {
    list-style: none;
    padding: var(--spacing-4) 0;
}

.nav-item {
    margin: 0 var(--spacing-3) var(--spacing-1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--border-radius-md);
    transition: all 0.2s;
    position: relative;
    font-weight: 500;
}

.nav-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    transform: translateX(2px);
}

.nav-item.active .nav-link {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 115, 230, 0.3);
}

.nav-link i {
    font-size: var(--font-size-lg);
    width: 20px;
    text-align: center;
}

.nav-link span {
    font-weight: 500;
}

.badge {
    background: var(--accent-color);
    color: var(--white);
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: auto;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: var(--spacing-6);
    min-height: calc(100vh - var(--header-height));
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-8);
}

.page-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-secondary);
    margin-top: var(--spacing-1);
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    font-size: var(--font-size-sm);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

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

.btn-success:hover {
    background: #219a52;
}

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

.btn-danger:hover {
    background: #c0392b;
}

.btn-icon {
    padding: var(--spacing-2);
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.kpi-card {
    background: var(--bg-primary);
    padding: var(--spacing-6);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-color);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.kpi-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-xl);
}

.kpi-content h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.kpi-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2);
}

.kpi-trend {
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--border-radius-sm);
}

.kpi-trend.positive {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(39, 174, 96, 0.2);
}

.kpi-trend.warning {
    background: rgba(255, 165, 0, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(255, 165, 0, 0.2);
}

.kpi-trend.urgent {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(231, 76, 60, 0.2);
}

.kpi-trend.neutral {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    border: 1px solid var(--border-color);
}

/* Workflow Section */
.workflow-section {
    background: var(--bg-primary);
    padding: var(--spacing-6);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-color);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-8);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.workflow-section h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-6);
}

.workflow-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    overflow-x: auto;
    padding: var(--spacing-4) 0;
}

.workflow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 180px;
    padding: var(--spacing-4);
    border-radius: var(--border-radius-lg);
    text-align: center;
}

.workflow-step.completed {
    background: rgba(39, 174, 96, 0.1);
    border: 2px solid var(--success-color);
}

.workflow-step.in-progress {
    background: rgba(255, 165, 0, 0.1);
    border: 2px solid var(--warning-color);
}

.workflow-step.pending {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.workflow-step.completed .step-number {
    background: var(--success-color);
}

.workflow-step.in-progress .step-number {
    background: var(--warning-color);
}

.workflow-step.pending .step-number {
    background: var(--text-tertiary);
}

.step-content h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.step-content p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2);
}

.step-count {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-primary);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.workflow-arrow {
    font-size: var(--font-size-xl);
    color: var(--text-tertiary);
    font-weight: bold;
}

/* Activity Section */
.activity-section {
    background: var(--bg-primary);
    padding: var(--spacing-6);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.activity-section h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-6);
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-secondary);
    transition: all 0.2s;
}

.activity-item:hover {
    box-shadow: var(--shadow-color);
    background: var(--bg-tertiary);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
}

.activity-content {
    flex: 1;
}

.activity-content p {
    margin-bottom: var(--spacing-1);
}

.activity-time {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.activity-status {
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.activity-status.new {
    background: #e3f2fd;
    color: #1565c0;
}

.activity-status.approved {
    background: #e8f5e8;
    color: #2e7d32;
}

.activity-status.pending {
    background: #fff8e1;
    color: #f57c00;
}

/* Filters Section */
.filters-section {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-4);
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.filter-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-select {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    min-width: 150px;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 115, 230, 0.1);
}

/* Table Styles */
.table-container {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

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

.data-table th {
    background: var(--bg-secondary);
    padding: var(--spacing-4);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.data-table td {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

.data-table tr:hover {
    background: var(--bg-tertiary);
}

/* Status Badges */
.status {
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.status.pending {
    background: rgba(255, 165, 0, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(255, 165, 0, 0.2);
}

.status.in-progress {
    background: rgba(0, 115, 230, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(0, 115, 230, 0.2);
}

.status.approved {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(39, 174, 96, 0.2);
}

.status.urgent {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(231, 76, 60, 0.2);
}

/* Proforma Grid */
.proforma-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-6);
}

.proforma-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.3s ease, border-color 0.3s ease;
}

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

.proforma-header {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.3s ease;
}

.proforma-header h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.proforma-status {
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.proforma-status.pending {
    background: rgba(255, 165, 0, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(255, 165, 0, 0.2);
}

.proforma-status.approved {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(39, 174, 96, 0.2);
}

.proforma-content {
    padding: var(--spacing-4);
}

.proforma-content p {
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.proforma-actions {
    padding: var(--spacing-4);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-2);
    transition: border-color 0.3s ease;
}

/* Validation List */
.validation-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.validation-item {
    background: var(--bg-primary);
    padding: var(--spacing-6);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-color);
    border: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-6);
    align-items: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.validation-info {
    flex: 1;
}

.validation-info h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.validation-info p {
    margin-bottom: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.validation-status {
    text-align: center;
    min-width: 120px;
}

.validation-status p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-2);
}

.validation-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    min-width: 140px;
}

/* Notifications Panel */
.notifications-panel {
    position: fixed;
    top: var(--header-height);
    right: -400px;
    width: 400px;
    height: calc(100vh - var(--header-height));
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-color);
    transition: right 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
    z-index: 1100;
}

.notifications-panel.open {
    right: 0;
}

.notifications-header {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notifications-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
}

.close-notifications {
    background: none;
    border: none;
    font-size: var(--font-size-lg);
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--border-radius-sm);
}

.close-notifications:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.notifications-content {
    padding: var(--spacing-4);
    overflow-y: auto;
    height: calc(100% - 80px);
}

.notification-item {
    display: flex;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-3);
    border-left: 4px solid;
}

.notification-item.urgent {
    background: #ffebee;
    border-left-color: var(--danger-color);
}

.notification-item.info {
    background: #e3f2fd;
    border-left-color: var(--primary-color);
}

.notification-item.success {
    background: #e8f5e8;
    border-left-color: var(--success-color);
}

.notification-item i {
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-1);
}

.notification-item.urgent i {
    color: var(--danger-color);
}

.notification-item.info i {
    color: var(--primary-color);
}

.notification-item.success i {
    color: var(--success-color);
}

.notification-item div p {
    margin-bottom: var(--spacing-1);
    font-size: var(--font-size-sm);
}

.notification-item div span {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* Form Modals */
.form-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.form-container {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-color);
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.form-container.large-form {
    max-width: 900px;
    width: 95%;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 12px 12px 0 0;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.form-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.form-subtitle {
    margin: 4px 0 0 0;
    color: var(--gray-500);
    font-size: 0.9rem;
    font-style: italic;
}

.close-form {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: 5px;
    border-radius: 6px;
    transition: all 0.2s;
}

.close-form:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.data-form {
    padding: 30px;
}

.form-section {
    margin-bottom: 32px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.form-section h4 {
    margin: 0 0 16px 0;
    color: var(--text-primary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-section h4 i {
    color: var(--primary-color);
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.2s;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 115, 230, 0.1);
}

.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: var(--danger-color);
}

.form-group select[multiple] {
    height: auto;
    min-height: 80px;
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--gray-500);
    font-size: 0.8rem;
}

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

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--gray-500);
    font-size: 0.8rem;
}

.form-group input[type="file"] {
    padding: 8px 12px;
    border: 2px dashed var(--gray-300);
    background: var(--gray-50);
    cursor: pointer;
}

.form-group input[type="file"]:hover {
    border-color: var(--primary-color);
    background: rgba(0, 115, 230, 0.05);
}

/* Checkbox Grid Styles */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
    position: relative;
}

.checkbox-item:hover {
    background-color: var(--gray-100);
}

.checkbox-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 0;
    height: 0;
}

.checkmark {
    height: 18px;
    width: 18px;
    background-color: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    margin-right: 10px;
    position: relative;
    transition: all 0.2s;
}

.checkbox-item input:checked ~ .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-item input:checked ~ .checkmark:after {
    display: block;
}

/* Analitos Container */
.analitos-container {
    display: grid;
    gap: 20px;
}

.analito-category {
    background: white;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
}

.analito-category h5 {
    margin: 0 0 12px 0;
    color: var(--gray-700);
    font-size: 1rem;
    font-weight: 600;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--gray-200);
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.form-actions .btn {
    min-width: 120px;
}

/* Form Validation Styles */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--danger-color);
    background: rgba(231, 76, 60, 0.05);
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: var(--success-color);
    background: rgba(39, 174, 96, 0.05);
}

.error-message {
    color: var(--danger-color);
    font-size: 0.8rem;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.success-message {
    color: var(--success-color);
    font-size: 0.8rem;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Loading States */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    color: white;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Data Display */
.data-list {
    margin-top: 20px;
}

.data-item {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.2s;
}

.data-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--gray-300);
}

.data-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.data-item-title {
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.data-item-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meta-value {
    font-weight: 500;
    color: var(--gray-800);
}

.data-item-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* Payment Styles */
.payment-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.payment-filters {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.payment-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.payment-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.payment-info h4 {
    margin: 0 0 10px 0;
    color: #2c3e50;
}

.payment-info p {
    margin: 5px 0;
    color: #666;
}

.payment-amount {
    text-align: center;
}

.payment-amount h3 {
    margin: 0;
    font-size: 24px;
    color: #2c3e50;
}

.payment-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.payment-status.pending {
    background: #fff3cd;
    color: #856404;
}

.payment-status.overdue {
    background: #f8d7da;
    color: #721c24;
}

.payment-status.completed {
    background: #d4edda;
    color: #155724;
}

.payment-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Report Styles */
.report-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.category-card {
    background: white;
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.category-icon {
    font-size: 48px;
    color: #3498db;
    margin-bottom: 15px;
}

.category-card h3 {
    margin: 0 0 10px 0;
    color: #2c3e50;
}

.category-card p {
    color: #666;
    margin-bottom: 15px;
}

.category-count {
    background: #3498db;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.quick-reports {
    margin-bottom: 40px;
}

.quick-report-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.quick-report-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.quick-report-item h4 {
    margin: 0 0 10px 0;
    color: #2c3e50;
}

.quick-report-item p {
    color: #666;
    margin-bottom: 15px;
}

.custom-report {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.report-builder {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: end;
}

.builder-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #2c3e50;
}

.date-range {
    display: flex;
    gap: 10px;
}

/* Nexus Integration Styles */
.nexus-status {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.status-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.status-card.connected {
    border-left: 4px solid #27ae60;
}

.status-icon {
    font-size: 24px;
    color: #3498db;
}

.status-content h3 {
    margin: 0 0 5px 0;
    color: #2c3e50;
}

.status-content p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

.status-indicator {
    color: #27ae60;
    font-size: 20px;
    margin-left: auto;
}

.nexus-modules {
    margin-bottom: 40px;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.module-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.module-card.active {
    border-left: 4px solid #27ae60;
}

.module-icon {
    font-size: 32px;
    color: #3498db;
    margin-bottom: 10px;
}

.module-card h4 {
    margin: 0 0 10px 0;
    color: #2c3e50;
}

.module-card p {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.module-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.module-status.active {
    background: #d4edda;
    color: #155724;
}

.module-status.inactive {
    background: #f8d7da;
    color: #721c24;
}

.sync-log {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.log-filters {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.log-entries {
    max-height: 400px;
    overflow-y: auto;
}

.log-entry {
    display: flex;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid #eee;
    gap: 15px;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    font-weight: bold;
    color: #666;
    min-width: 60px;
}

.log-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.log-entry.success .log-content i {
    color: #27ae60;
}

.log-entry.warning .log-content i {
    color: #f39c12;
}

.log-entry.error .log-content i {
    color: #e74c3c;
}

.nexus-actions {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Laboratory Styles */
.lab-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.lab-filters {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.lab-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.lab-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.lab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.lab-header h4 {
    margin: 0;
    color: #2c3e50;
}

.lab-rating {
    display: flex;
    align-items: center;
    gap: 5px;
}

.rating-stars {
    color: #f39c12;
    font-size: 16px;
}

.rating-value {
    font-weight: bold;
    color: #2c3e50;
}

.lab-content p {
    margin: 8px 0;
    color: #666;
    font-size: 14px;
}

.lab-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

/* Proyectos Styles */
.proyectos-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.proyectos-filters {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    align-items: end;
}

.proyecto-code strong {
    color: #2563eb;
    font-family: 'Courier New', monospace;
}

.proyecto-info strong {
    color: #1f2937;
    display: block;
    margin-bottom: 4px;
}

.proyecto-info small {
    color: #6b7280;
    font-size: 0.85rem;
}

.cliente-info strong {
    color: #1f2937;
    display: block;
    margin-bottom: 2px;
}

.cliente-info small {
    color: #6b7280;
    font-size: 0.8rem;
}

.status-badge.active {
    background-color: #10b981;
    color: white;
}

.status-badge.paused {
    background-color: #f59e0b;
    color: white;
}

.status-badge.completed {
    background-color: #6b7280;
    color: white;
}

.status-badge.cancelled {
    background-color: #ef4444;
    color: white;
}

/* Clientes Styles */
.clientes-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.clientes-filters {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    align-items: end;
}

.cliente-code strong {
    color: #7c3aed;
    font-family: 'Courier New', monospace;
}

.tipo-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tipo-badge.publico {
    background-color: #dbeafe;
    color: #1e40af;
}

.tipo-badge.privado {
    background-color: #fef3c7;
    color: #92400e;
}

.tipo-badge.mixto {
    background-color: #e0e7ff;
    color: #5b21b6;
}

.tipo-badge.ong {
    background-color: #dcfce7;
    color: #166534;
}

.contacto-info strong {
    color: #1f2937;
    display: block;
    margin-bottom: 2px;
}

.contacto-info small {
    color: #6b7280;
    font-size: 0.8rem;
}

.proyectos-count {
    background-color: #f3f4f6;
    color: #374151;
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Form Sections for Proyectos and Clientes */
.form-section h4 {
    color: #374151;
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 2px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-section h4 i {
    color: #6b7280;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 6px 10px;
    font-size: 0.8rem;
    min-width: auto;
}

.btn-sm i {
    font-size: 0.9rem;
}

/* Data Table Enhancements */
.data-table th {
    background-color: #f9fafb;
    color: #374151;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    padding: 12px;
    border-bottom: 2px solid #e5e7eb;
}

.data-table td {
    padding: 12px;
    vertical-align: middle;
    border-bottom: 1px solid #f3f4f6;
}

.data-table tbody tr:hover {
    background-color: #f9fafb;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: all 0.3s ease;
        z-index: 1100;
        box-shadow: var(--shadow-lg);
        width: var(--sidebar-width);
        position: fixed;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .logo-text h1 {
        font-size: var(--font-size-lg);
    }
    
    .logo-text span {
        display: none;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 var(--spacing-4);
    }
    
    .logo-text h1 {
        font-size: var(--font-size-base);
    }
    
    .user-profile span {
        display: none;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-4);
    }
    
    .workflow-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
        align-self: center;
        margin: var(--spacing-2) 0;
    }
    
    .form-container {
        width: 95%;
        margin: 20px;
    }
    
    .data-form {
        padding: 20px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-4);
    }
    
    .page-header h2 {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 var(--spacing-3);
    }
    
    .logo-section img {
        width: 32px;
        height: 32px;
    }
    
    .logo-text h1 {
        font-size: var(--font-size-sm);
    }
    
    .main-content {
        padding: var(--spacing-3);
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }
    
    .kpi-card {
        padding: var(--spacing-4);
    }
    
    .nav-link {
        padding: var(--spacing-4);
        font-size: var(--font-size-base);
    }
    
    .nav-link i {
        font-size: var(--font-size-xl);
        width: 24px;
    }
    
    .btn {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-base);
    }
    
    .form-container {
        width: 100%;
        margin: 10px;
        padding: 0;
    }
    
    .data-form {
        padding: var(--spacing-4);
    }
    
    .form-actions {
        gap: var(--spacing-2);
    }
    
    .form-actions .btn {
        padding: var(--spacing-3);
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 var(--spacing-4);
    }
    
    .main-content {
        padding: var(--spacing-4);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-4);
    }
    
    .filters-section {
        flex-direction: column;
    }
    
    .proforma-grid {
        grid-template-columns: 1fr;
    }
    
    .validation-item {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .validation-actions {
        flex-direction: row;
        justify-content: center;
    }
    
    .form-container.large-form {
        width: 98%;
        max-width: none;
        margin: 10px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    .form-section {
        padding: 16px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .data-item-meta {
        grid-template-columns: 1fr;
    }
    
    .data-item-actions {
        flex-direction: column;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-section.active {
    animation: fadeIn 0.3s ease;
}

/* Acuerdos de Precios Styles */
.acuerdos-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.acuerdos-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.discount-badge {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.validity-info strong {
    display: block;
    color: #333;
}

.validity-info .expiring {
    color: #dc3545;
    font-weight: 600;
}

.analysis-type {
    background: #e9ecef;
    color: #495057;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
}

.status-badge.expiring {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Equivalencias de Analitos Styles */
.equivalencias-info {
    margin-bottom: 2rem;
}

.info-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-icon {
    font-size: 2rem;
    opacity: 0.9;
}

.info-content h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
}

.info-content p {
    margin: 0;
    opacity: 0.9;
    line-height: 1.5;
}

.equivalencias-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.equivalencias-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.equivalencias-table {
    font-size: 0.9rem;
}

.equivalencias-table th {
    font-size: 0.85rem;
    padding: 0.75rem 0.5rem;
}

.equivalencias-table td {
    padding: 1rem 0.5rem;
    vertical-align: top;
}

.analito-info strong {
    display: block;
    color: #333;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.analito-info small {
    color: #6c757d;
    font-size: 0.8rem;
}

.category-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-badge.fisico-quimico {
    background: #e3f2fd;
    color: #1976d2;
}

.category-badge.metal-pesado {
    background: #fff3e0;
    color: #f57c00;
}

.category-badge.microbiologia {
    background: #f3e5f5;
    color: #7b1fa2;
}

.category-badge.compuesto-organico {
    background: #e8f5e8;
    color: #388e3c;
}

.category-badge.nutrientes {
    background: #fff8e1;
    color: #f9a825;
}

.lab-nomenclature {
    text-align: center;
}

.nomenclature-code {
    display: block;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: #495057;
    background: #f8f9fa;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.25rem;
    font-size: 0.85rem;
}

.lab-nomenclature small {
    color: #6c757d;
    font-size: 0.75rem;
}

/* Formulario de Nueva Equivalencia */
.equivalencias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.lab-equivalence {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.lab-equivalence h5 {
    margin: 0 0 1rem 0;
    color: #495057;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #dee2e6;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.header-actions .btn {
    white-space: nowrap;
}

/* Estilos para el formulario de Acuerdos de Precios */
#formNuevoAcuerdo {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

#formNuevoAcuerdo .form-container {
    background: white;
    border-radius: 12px;
    padding: 30px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

#formNuevoAcuerdo .form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e0e0e0;
}

#formNuevoAcuerdo .form-header h3 {
    color: #2c3e50;
    margin: 0;
    font-size: 1.5rem;
}

#formNuevoAcuerdo .close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #7f8c8d;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

#formNuevoAcuerdo .close-btn:hover {
    background: #ecf0f1;
    color: #e74c3c;
}

#formNuevoAcuerdo .form-section {
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

#formNuevoAcuerdo .form-section h4 {
    color: #2c3e50;
    margin: 0 0 15px 0;
    font-size: 1.1rem;
    font-weight: 600;
}

#formNuevoAcuerdo .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

#formNuevoAcuerdo .form-group {
    display: flex;
    flex-direction: column;
}

#formNuevoAcuerdo .form-group label {
    font-weight: 500;
    color: #34495e;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

#formNuevoAcuerdo .form-group input,
#formNuevoAcuerdo .form-group select,
#formNuevoAcuerdo .form-group textarea {
    padding: 10px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

#formNuevoAcuerdo .form-group input:focus,
#formNuevoAcuerdo .form-group select:focus,
#formNuevoAcuerdo .form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

#formNuevoAcuerdo .checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

#formNuevoAcuerdo .checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: white;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
}

#formNuevoAcuerdo .checkbox-item input[type="checkbox"] {
    margin: 0;
    transform: scale(1.1);
}

#formNuevoAcuerdo .form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #e0e0e0;
}

#formNuevoAcuerdo .btn-cancel {
    padding: 12px 24px;
    background: #95a5a6;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s ease;
}

#formNuevoAcuerdo .btn-cancel:hover {
    background: #7f8c8d;
}

#formNuevoAcuerdo .btn-submit {
    padding: 12px 24px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s ease;
}

#formNuevoAcuerdo .btn-submit:hover {
    background: #229954;
}

#formNuevoAcuerdo .btn-submit:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
}

/* Estilos para contador de resultados de filtros */
.results-counter {
    background: #e8f4fd;
    color: #2980b9;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 10px;
    display: inline-block;
    border: 1px solid #bee5eb;
}

.filters-section {
    position: relative;
}

/* Mejoras en filtros */
.filter-group {
    position: relative;
}

.filter-group select:focus,
.filter-group input:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.filter-group select option {
    padding: 8px;
}

/* Animación para filas filtradas */
.data-table tbody tr {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.data-table tbody tr[style*="display: none"] {
    opacity: 0;
    transform: translateX(-10px);
}

/* Indicador de filtro activo */
.filter-group.active select,
.filter-group.active input {
    border-color: #27ae60;
    background-color: #f8fff9;
}

.filter-group.active::after {
    content: "●";
    position: absolute;
    top: 5px;
    right: 5px;
    color: #27ae60;
    font-size: 12px;
    z-index: 1;
}

/* Botón para limpiar filtros */
.clear-filters-btn {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    margin-left: 10px;
    transition: background 0.3s ease;
}

.clear-filters-btn:hover {
    background: #c0392b;
}

.clear-filters-btn:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
}

/* Utilidades */
.text-center {
    text-align: center;
}

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

.mb-4 {
    margin-bottom: var(--spacing-4);
}

.mt-4 {
    margin-top: var(--spacing-4);
}

.hidden {
    display: none;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-4 {
    gap: var(--spacing-4);
}