/* PixelForge - Estilos Principales */

/* Variables CSS */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #4ecdc4;
    --warning-color: #ffe066;
    --danger-color: #ff6b6b;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --gray-color: #95a5a6;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Contenedor principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1rem 0;
    min-height: 80px;
}

.navbar-content {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    position: relative;
    flex-direction: column;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -17px;
    z-index: 10;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: auto;
    margin-top: 30px;
    align-self: center;
    width: 100%;
    justify-content: center;
}

.nav-actions {
    margin-left: auto;
    margin-top: 25px;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.feature-card h3 {
    margin-bottom: 0.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.btn-success:hover {
    background: #45b7aa;
}

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

.btn-warning:hover {
    background: #ffd93d;
}

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

.btn-danger:hover {
    background: #ff5252;
}

.btn-info {
    background: #3498db;
    color: var(--white);
}

.btn-info:hover {
    background: #2980b9;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Secciones de contenido */
.content-section {
    background: var(--white);
    margin: 2rem 0;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light-color);
}

.page-header h1 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-color);
}

/* Galería de imágenes */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.image-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.image-preview {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.image-card:hover .image-overlay {
    opacity: 1;
}

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

.image-info {
    padding: 1rem;
}

.image-info h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.image-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-color);
}

.image-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-info {
    background: #e3f2fd;
    color: #1976d2;
}

.badge-danger {
    background: #ffebee;
    color: #d32f2f;
}

/* Formularios */
.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.upload-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.upload-card h3 {
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-input-wrapper {
    position: relative;
    margin-bottom: 1rem;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-input-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    border: 2px dashed var(--gray-color);
    border-radius: var(--border-radius);
    background: var(--light-color);
    cursor: pointer;
    transition: var(--transition);
}

.file-input-label:hover {
    border-color: var(--primary-color);
    background: #f8f9fa;
}

.file-input-label i {
    font-size: 2rem;
    color: var(--gray-color);
    margin-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

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

/* Editor de imágenes */
.editor-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
}

.image-preview-section {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.image-container {
    text-align: center;
    margin-bottom: 2rem;
}

.image-container img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.image-details h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

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

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-color);
}

.detail-item label {
    font-weight: 500;
    color: var(--gray-color);
}

.editor-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.control-section {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.control-section h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--light-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close {
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--gray-color);
    transition: var(--transition);
}

.close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 1.5rem;
}

/* Estados vacíos */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-color);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

/* Mensajes */
.message {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.message-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--gray-color);
}

.loading i {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Estadísticas */
.stats-section {
    background: rgba(255, 255, 255, 0.1);
    padding: 3rem 0;
    margin-top: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-item i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.stat-item h3 {
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .page-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .upload-grid {
        grid-template-columns: 1fr;
    }
    
    .editor-layout {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .upload-card {
        padding: 1.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

.slide-up {
    animation: slideUp 0.5s ease;
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Análisis compacto y responsive */
.analysis-result-compact {
    margin-top: 15px;
    max-width: 100%;
    overflow: hidden;
}

.analysis-summary-compact {
    background: white;
    border-radius: 8px;
    padding: 15px;
    border: 1px solid #dee2e6;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.threat-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-weight: bold;
}

.threat-badge.threat-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.threat-badge.threat-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

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

.threat-badge.threat-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.threat-text {
    font-size: 16px;
    font-weight: bold;
}

.risk-score {
    background: rgba(0,0,0,0.1);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 14px;
}

.quick-stats {
    display: flex;
    justify-content: space-around;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    min-width: 70px;
    justify-content: center;
}

.stat-item.success {
    background: #d4edda;
    color: #155724;
}

.stat-item.warning {
    background: #fff3cd;
    color: #856404;
}

.stat-item.danger {
    background: #f8d7da;
    color: #721c24;
}

.btn-expand, .btn-json {
    background: #007bff;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 5px 0;
    transition: background 0.3s;
}

.btn-expand:hover, .btn-json:hover {
    background: #0056b3;
}

.analysis-details-expanded {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #dee2e6;
}

.detail-section h6, .recommendations-compact h6 {
    margin: 0 0 10px 0;
    color: #495057;
    font-size: 14px;
    font-weight: 600;
}

.detail-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 8px;
    margin-bottom: 15px;
}

.detail-compact {
    display: flex;
    justify-content: space-between;
    padding: 6px 8px;
    background: white;
    border-radius: 4px;
    border-left: 3px solid #007bff;
    font-size: 12px;
}

.detail-compact .label {
    font-weight: 600;
    color: #495057;
}

.detail-compact .value {
    font-weight: bold;
    color: #007bff;
}

.recommendations-compact {
    margin-top: 15px;
    padding: 10px;
    background: #e8f5e8;
    border-radius: 4px;
    border-left: 3px solid #28a745;
}

.recommendations-compact ul {
    margin: 0;
    padding-left: 15px;
}

.recommendations-compact li {
    font-size: 12px;
    color: #495057;
    margin-bottom: 3px;
}

.json-section {
    margin-top: 15px;
    padding: 10px;
    background: #f1f3f4;
    border-radius: 4px;
}

.json-content {
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 10px;
    font-size: 10px;
    line-height: 1.3;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-top: 10px;
}

.error-compact {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: #f8d7da;
    color: #721c24;
    border-radius: 4px;
    border: 1px solid #f5c6cb;
}

/* Responsive */
@media (max-width: 768px) {
    .quick-stats {
        flex-direction: column;
        gap: 5px;
    }
    
    .stat-item {
        min-width: auto;
        width: 100%;
    }
    
    .detail-grid-compact {
        grid-template-columns: 1fr;
    }
    
    .threat-badge {
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }
}