/* ==========================================
   MyM Jomar - Sistema de Automatización IA
   Estilos CSS Modernos
   ========================================== */

/* Reset y Variables */
:root {
    /* Colores Corporativos */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --secondary-dark: #475569;
    --accent-color: #10b981;
    --accent-dark: #059669;
    
    /* Colores de Estado */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Colores de Fondo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-sidebar: #1e293b;
    
    /* Colores de Texto */
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    /* 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);
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transiciones */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    
    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--bg-sidebar) 0%, #0f172a 100%);
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: white;
    min-height: 50px;
}

.sidebar-header .logo {
    width: 100%;
    max-width: 100px;
    height: auto;
    object-fit: contain;
    display: block;
}

.sidebar-header i {
    font-size: 2rem;
    color: var(--primary-light);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.sidebar-menu {
    list-style: none;
    padding: var(--spacing-lg) 0;
    flex: 1;
    overflow-y: auto;
}

.menu-item {
    position: relative;
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-xs) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    color: var(--text-light);
}

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

.menu-item.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.menu-item i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.menu-item span:not(.ai-badge) {
    flex: 1;
    font-weight: 500;
}

.ai-badge {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.user-info i {
    font-size: 2.5rem;
    color: var(--text-light);
}

.user-name {
    font-weight: 600;
    color: var(--text-white);
}

.user-role {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ==========================================
   MAIN CONTENT
   ========================================== */

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

/* ==========================================
   TOP HEADER
   ========================================== */

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.notifications {
    position: relative;
}

.notification-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    position: relative;
    transition: color var(--transition-fast);
}

.notification-btn:hover {
    color: var(--primary-color);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger-color);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.125rem 0.375rem;
    border-radius: 1rem;
    min-width: 18px;
    text-align: center;
}

.header-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ==========================================
   PAGE CONTENT
   ========================================== */

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

.page-content.hidden {
    display: none;
}

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

.page-header h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

/* ==========================================
   ALERTS
   ========================================== */

.alerts-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    border-left: 4px solid;
}

.alert i {
    font-size: 1.5rem;
}

.alert-content {
    flex: 1;
}

.alert-content strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.alert-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.alert-action {
    background: none;
    border: 1px solid currentColor;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.alert-info {
    border-left-color: var(--info-color);
    color: var(--info-color);
}

.alert-success {
    border-left-color: var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    border-left-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-action:hover {
    background: currentColor;
    color: white;
}

/* ==========================================
   KPI CARDS
   ========================================== */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.kpi-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: var(--spacing-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kpi-icon i {
    font-size: 1.5rem;
    color: white;
}

.kpi-content {
    flex: 1;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.kpi-change {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    font-weight: 600;
}

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

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

.kpi-change.neutral {
    color: var(--text-secondary);
}

/* ==========================================
   CHARTS
   ========================================== */

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chart-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

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

.chart-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-options {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.chart-container {
    position: relative;
}

/* ==========================================
   QUICK ACTIONS
   ========================================== */

.quick-actions {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.quick-actions h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

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

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary);
    font-weight: 600;
}

.action-btn:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-btn i {
    font-size: 1.5rem;
}

/* ==========================================
   RECENT ACTIVITY
   ========================================== */

.recent-activity {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

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

.activity-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.view-all {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.view-all:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

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

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

.activity-item:hover {
    background: var(--bg-secondary);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon i {
    font-size: 1rem;
    color: white;
}

.ai-activity {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.success-activity {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.info-activity {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.activity-badge {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-primary {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

/* ==========================================
   PLANOS PAGE
   ========================================== */

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

.upload-dropzone {
    background: var(--bg-primary);
    border: 2px dashed var(--text-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.upload-dropzone.drag-over {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.upload-dropzone i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.upload-dropzone h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.upload-dropzone p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.file-types {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* AI Processing */
.ai-processing {
    margin-bottom: var(--spacing-xl);
}

.ai-processing.hidden {
    display: none;
}

.processing-card {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
}

.processing-animation {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
}

.spinner {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid rgba(37, 99, 235, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.processing-animation i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: var(--primary-color);
}

.processing-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.processing-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.progress-bar {
    width: 100%;
    max-width: 400px;
    height: 8px;
    background: rgba(37, 99, 235, 0.2);
    border-radius: 1rem;
    margin: 0 auto var(--spacing-sm);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 1rem;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Search Section */
.search-section {
    margin-bottom: var(--spacing-xl);
}

.search-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.search-bar i {
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.search-bar input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
    color: var(--text-primary);
    background: transparent;
}

.search-bar input::placeholder {
    color: var(--text-light);
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.filter-chips {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.chip {
    background: var(--bg-primary);
    border: 1px solid var(--bg-tertiary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chip:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.chip.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.chip span {
    background: rgba(0, 0, 0, 0.1);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}

.chip.active span {
    background: rgba(255, 255, 255, 0.2);
}

/* Planos Grid */
.planos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.plano-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: pointer;
}

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

.plano-preview {
    position: relative;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.plano-icon {
    font-size: 3rem;
    color: var(--primary-color);
}

.duplicate-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.badge-info {
    background: var(--info-color);
    color: white;
}

.plano-info {
    padding: var(--spacing-lg);
}

.plano-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.plano-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.plano-meta i {
    font-size: 0.875rem;
}

.plano-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

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

.plano-date {
    font-size: 0.75rem;
    color: var(--text-light);
}

.ai-score {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-color);
}

/* ==========================================
   COMPRAS PAGE
   ========================================== */

.compras-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat-card i {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat-card h4 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Table */
.table-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

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

.table-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.table-filters {
    display: flex;
    gap: var(--spacing-md);
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.filter-select:hover {
    border-color: var(--primary-color);
}

.table-responsive {
    overflow-x: auto;
}

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

.solicitudes-table thead {
    background: var(--bg-tertiary);
}

.solicitudes-table th {
    text-align: left;
    padding: var(--spacing-md);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.solicitudes-table td {
    padding: var(--spacing-md);
    border-top: 1px solid var(--bg-tertiary);
}

.solicitudes-table tbody tr {
    transition: background var(--transition-fast);
    cursor: pointer;
}

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

.solicitudes-table tbody tr.row-warning {
    background: rgba(245, 158, 11, 0.05);
}

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

.material-info i {
    color: var(--text-secondary);
}

.proveedores-avatars {
    display: flex;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: -8px;
    border: 2px solid var(--bg-primary);
}

.avatar:first-child {
    margin-left: 0;
}

.avatar-count {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: -8px;
    border: 2px solid var(--bg-primary);
}

.status-badge {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.status-processing {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.status-overdue {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Feature Card */
.feature-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-content {
    flex: 1;
}

.feature-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

.feature-stats {
    display: flex;
    gap: var(--spacing-xl);
}

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

.feature-stat h4 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.feature-stat p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    box-shadow: var(--shadow-sm);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

/* ==========================================
   MODALS
   ========================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
}

.modal-medium {
    width: 100%;
    max-width: 600px;
}

.modal-large {
    width: 100%;
    max-width: 1200px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--bg-tertiary);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

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

/* Plano Detail Modal */
.plano-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.plano-viewer {
    position: relative;
}

.viewer-placeholder {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    height: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.viewer-placeholder i {
    font-size: 4rem;
    color: var(--text-light);
}

.viewer-placeholder p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.viewer-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.plano-metadata {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.metadata-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.ai-alert {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.ai-alert i {
    color: var(--warning-color);
    margin-right: var(--spacing-sm);
}

.ai-alert p {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

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

.similarity-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

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

.similarity-title {
    font-weight: 600;
    color: var(--text-primary);
}

.similarity-score {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 700;
}

.score-high {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.score-medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.score-low {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.similarity-diff {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.metadata-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.metadata-item label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.metadata-item p {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

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

/* Form Elements */
.solicitud-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-control {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.proveedores-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 200px;
    overflow-y: auto;
    padding: var(--spacing-sm);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.checkbox-label:hover {
    background: var(--bg-secondary);
}

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

.ai-suggestion {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--accent-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
}

.ai-suggestion i {
    color: var(--accent-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.ai-suggestion p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--bg-tertiary);
}

/* Solicitud Detail */
.solicitud-detail-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

.solicitud-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-section {
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--bg-tertiary);
}

.info-section:last-child {
    border-bottom: none;
}

.info-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.info-item {
    margin-bottom: var(--spacing-md);
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.info-item p {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--bg-tertiary);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-md);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -26px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--bg-primary);
}

.timeline-item.active .timeline-dot {
    background: var(--accent-color);
}

.timeline-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-date {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Cotizaciones */
.cotizaciones-panel h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.cotizacion-card {
    background: var(--bg-secondary);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-fast);
}

.cotizacion-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.cotizacion-card.best-offer {
    border-color: var(--accent-color);
    background: rgba(16, 185, 129, 0.05);
}

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

.cotizacion-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

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

.price {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.unit-price {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.cotizacion-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.detail-item i {
    color: var(--text-light);
}

.ai-recommendation {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--accent-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.ai-recommendation i {
    color: var(--accent-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.ai-recommendation p {
    font-size: 0.875rem;
    margin: 0;
}

/* ERP & Reports Pages */
.integration-status,
.report-placeholder {
    text-align: center;
    padding: var(--spacing-2xl);
}

.status-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    display: inline-block;
}

.status-card.status-active {
    border: 2px solid var(--accent-color);
}

.status-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
}

.status-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.status-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.integration-modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.module-card {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.module-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.module-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.module-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-dot {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-tertiary);
}

.status-dot.active {
    background: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.report-placeholder i {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.report-placeholder h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.report-placeholder p {
    color: var(--text-secondary);
}

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

@media (max-width: 1200px) {
    .plano-detail-grid,
    .solicitud-detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 968px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    .page-content {
        padding: var(--spacing-md);
    }
    
    .top-header {
        padding: var(--spacing-md);
    }
    
    .page-title {
        font-size: 1.25rem;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .planos-grid {
        grid-template-columns: 1fr;
    }
    
    .compras-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal {
        padding: var(--spacing-sm);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}