/**
 * Estilos Principales - Sistema LOPD
 * Versión 2.0.0
 * Sistema de gestión de protección de datos
 */

/* ========================================
   Variables CSS
   ======================================== */
:root {
    /* Colores primarios */
    --primary: #667eea;
    --primary-dark: #5568d3;
    --primary-light: #7c93f5;
    --secondary: #764ba2;
    --secondary-dark: #5f3a82;
    
    /* Colores de estado */
    --success: #10b981;
    --success-light: #d1fae5;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    
    /* Colores neutros */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Tipografía */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Bordes */
    --radius-sm: 6px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ========================================
   Página de Login
   ======================================== */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-wrapper {
    width: 100%;
    max-width: 450px;
}

.login-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 40px;
    animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo {
    width: 80px;
    height: auto;
    margin-bottom: 20px;
}

.login-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 0;
}

.login-form {
    margin-top: 30px;
}

.login-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
    color: var(--gray-500);
    font-size: 13px;
}

.version {
    margin-top: 5px;
    font-size: 12px;
    color: var(--gray-400);
}

/* ========================================
   Header
   ======================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo-container {
    flex-shrink: 0;
}

.logo-link {
    display: block;
    transition: var(--transition);
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo {
    height: 45px;
    width: auto;
}

/* Navegación */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    width: 30px;
    height: 25px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

.nav-toggle span {
    width: 100%;
    height: 3px;
    background: var(--gray-700);
    border-radius: 3px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 10px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
}

.nav-link i {
    font-size: 18px;
}

/* Usuario y logout */
.user-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.user-name {
    display: block;
    font-weight: 600;
    color: var(--gray-900);
    font-size: 14px;
}

.user-role {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--danger);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
}

.logout-btn:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Contenedor Principal
   ======================================== */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
    min-height: calc(100vh - 140px);
}

.main-content {
    width: 100%;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    padding: 20px;
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
}

.footer-content p {
    margin: 5px 0;
}

.footer-version {
    font-size: 12px;
    color: var(--gray-400);
}

/* ========================================
   Formularios
   ======================================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 14px;
}

.form-group label i {
    margin-right: 5px;
    color: var(--primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

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

/* ========================================
   Botones
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--gray-600);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--gray-700);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-login {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

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

/* ========================================
   Alertas y Mensajes
   ======================================== */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    animation: slideIn 0.3s ease-out;
}

.alert i {
    font-size: 18px;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background: var(--danger-light);
    color: #991b1b;
    border: 1px solid var(--danger);
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
    border: 1px solid var(--warning);
}

.alert-info {
    background: var(--info-light);
    color: #1e40af;
    border: 1px solid var(--info);
}

/* ========================================
   Dashboard
   ======================================== */
.welcome-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 25px;
    box-shadow: var(--shadow-lg);
}

.welcome-icon {
    font-size: 60px;
    opacity: 0.9;
}

.welcome-text h1 {
    font-size: 32px;
    margin-bottom: 8px;
}

.welcome-text p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 5px;
}

.last-login {
    font-size: 13px;
    opacity: 0.8;
    margin-top: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
}

.stat-primary .stat-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.stat-success .stat-icon {
    background: linear-gradient(135deg, var(--success) 0%, #34d399 100%);
}

.stat-info .stat-icon {
    background: linear-gradient(135deg, var(--info) 0%, #60a5fa 100%);
}

.stat-warning .stat-icon {
    background: linear-gradient(135deg, var(--warning) 0%, #fbbf24 100%);
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    margin-top: 5px;
}

.quick-actions,
.system-info {
    margin-bottom: 40px;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.action-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    gap: 20px;
    transition: var(--transition);
    cursor: pointer;
}

.action-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.action-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.action-content h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--gray-900);
}

.action-content p {
    font-size: 14px;
    color: var(--gray-600);
}

.info-grid {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.info-label {
    font-weight: 600;
    color: var(--gray-700);
}

.info-value {
    color: var(--gray-600);
}

/* ========================================
   Gestión de Usuarios
   ======================================== */
.page-header {
    text-align: center;
    margin-bottom: 30px;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.page-subtitle {
    font-size: 16px;
    color: var(--gray-600);
}

.action-bar {
    margin-bottom: 25px;
    display: flex;
    justify-content: flex-end;
}

.table-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

.data-table thead {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
}

.data-table th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
    color: var(--gray-700);
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

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

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

.actions {
    display: flex;
    gap: 8px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-primary {
    background: #e0e7ff;
    color: #4338ca;
}

.badge-info {
    background: var(--info-light);
    color: #1e40af;
}

.badge-success {
    background: var(--success-light);
    color: #065f46;
}

.badge-danger {
    background: var(--danger-light);
    color: #991b1b;
}

.text-danger {
    color: var(--danger);
}

/* ========================================
   Modales
   ======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-dialog {
    width: 100%;
    max-width: 600px;
    animation: modalZoomIn 0.3s ease-out;
}

.modal-sm {
    max-width: 400px;
}

@keyframes modalZoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    padding: 20px 30px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 20px;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    opacity: 0.8;
    transition: var(--transition);
}

.modal-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        height: 60px;
    }
    
    .logo {
        height: 35px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        display: none;
        gap: 5px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .user-info {
        display: none;
    }
    
    .logout-btn span {
        display: none;
    }
    
    .welcome-banner {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }
    
    .welcome-text h1 {
        font-size: 24px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .table-wrapper {
        overflow-x: auto;
    }
    
    .data-table {
        min-width: 900px;
    }
    
    .modal-dialog {
        max-width: 100%;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 30px 20px;
    }
    
    .login-title {
        font-size: 24px;
    }
    
    .app-container {
        padding: 20px 15px;
    }
    
    .page-title {
        font-size: 24px;
    }
    
    .btn {
        padding: 10px 18px;
        font-size: 13px;
    }
}

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

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

.mt-10 {
    margin-top: 10px !important;
}

.mt-20 {
    margin-top: 20px !important;
}

.mb-10 {
    margin-bottom: 10px !important;
}

.mb-20 {
    margin-bottom: 20px !important;
}

/* ========================================
   Scrollbar personalizado
   ======================================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}