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

:root {
    --primary-color: #8B1538;
    --secondary-color: #C00000;
    --accent-color: #E31937;
    --text-dark: #333;
    --text-light: #666;
    --border-color: #ddd;
    --bg-light: #f5f5f5;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--primary-color);
}

header h1 {
    color: var(--primary-color);
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-light);
    font-size: 1.1em;
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-weight: 500;
}

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

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

.section {
    margin-bottom: 40px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.config-section {
    background: #fff9f0;
    border-left-color: #ff9800;
}

.config-info {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.95em;
}

.section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.8em;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.analista-item {
    background: var(--white);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.analista-item h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.3em;
}

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

.btn-primary,
.btn-secondary,
.btn-remove {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    width: 100%;
    font-size: 1.2em;
    padding: 15px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(139, 21, 56, 0.3);
}

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

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

.btn-remove {
    background: #dc3545;
    color: var(--white);
    margin-top: 10px;
}

.btn-remove:hover {
    background: #c82333;
}

.form-actions {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    header h1 {
        font-size: 1.8em;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 15px;
    }
}

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

.analista-item {
    animation: fadeIn 0.3s ease;
}

/* Sección de configuración de imágenes */
.upload-form {
    margin-top: 20px;
}

.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 25px;
}

.upload-item {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    border: 2px dashed var(--border-color);
    transition: border-color 0.3s ease;
}

.upload-item:hover {
    border-color: var(--primary-color);
}

.upload-item label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--text-dark);
}

.upload-item input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.9em;
}

.form-group input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.9em;
}

.help-text {
    display: block;
    margin-top: 5px;
    font-size: 0.85em;
    color: var(--text-light);
    font-style: italic;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
}

.status-badge.success {
    background: #d4edda;
    color: #155724;
}

.status-badge.warning {
    background: #fff3cd;
    color: #856404;
}

.preview-container {
    margin-top: 15px;
    padding: 10px;
    background: var(--bg-light);
    border-radius: 5px;
    text-align: center;
}

.image-preview {
    max-width: 100%;
    max-height: 150px;
    border-radius: 5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.loading-content {
    background: white;
    padding: 40px 60px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.3s ease;
}

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

.loading-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border: 4px solid var(--bg-light);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-content h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.5em;
}

.loading-content p {
    color: var(--text-light);
    font-size: 0.95em;
}

/* Button Loading State */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}