:root {
    --primary: #0a2540;
    --secondary: #0077b6;
    --accent: #2ecc71;
    --gray-light: #f8fafc;
    --gray: #64748b;
    --text: #1e293b;
    --text-dim: #475569;
    --white: #ffffff;
    --border: #e2e8f0;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--gray-light);
    color: var(--text);
    line-height: 1.5;
}

/* Ocultar efectos tech */
.tech-bg, #bgCanvas {
    display: none;
}

/* Navbar (se hereda de style.css, pero asegurar) */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

/* Page Header */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.header-subtitle {
    font-size: 1rem;
    color: var(--text-dim);
}

/* Tabs */
.utils-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: var(--white);
    border-radius: 50px;
    padding: 0.25rem;
    border: 1px solid var(--border);
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    color: var(--text);
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
    cursor: pointer;
}

.tab-btn i {
    margin-right: 0.5rem;
}

.tab-btn:hover {
    background: var(--gray-light);
    color: var(--secondary);
}

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

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.2s ease;
}

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

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

/* Cards */
.util-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
    /* Eliminado: transform */
    box-shadow: var(--shadow-sm);
}

.util-card:hover {
    /* Eliminado: transform: translateY(-2px); */
    box-shadow: var(--shadow-md);
    border-color: var(--secondary);
}

.card-header-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 119, 182, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.card-header-icon i {
    font-size: 1.25rem;
    color: var(--secondary);
}

/* Form Elements */
.custom-input {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.6rem 0.75rem;
    color: var(--text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.custom-input:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 2px rgba(0, 119, 182, 0.2);
    outline: none;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--primary);
}

/* File Drop Zone */
.file-drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: border-color 0.2s ease, background-color 0.2s ease;
    cursor: pointer;
    background: var(--gray-light);
}

.file-drop-zone:hover {
    border-color: var(--secondary);
    background: rgba(0, 119, 182, 0.02);
}

/* Buttons */
.btn-primary {
    background: var(--secondary);
    border: none;
    padding: 0.6rem 1.25rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: background-color 0.2s ease;
    color: white;
}

.btn-primary:hover {
    background: var(--primary);
    /* ELIMINADO: transform: translateY(-1px); */
}

.btn-success {
    background: #10b981;
    border: none;
    padding: 0.6rem 1.25rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: background-color 0.2s ease;
    color: white;
}

.btn-success:hover {
    background: #059669;
    /* ELIMINADO: transform */
}

/* Result Containers */
.result-container {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 1rem;
    margin-top: 1rem;
    max-height: 400px;
    overflow-y: auto;
}

.result-item {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: var(--radius);
    border-left: 3px solid var(--secondary);
    background: var(--white);
}

.result-item.error {
    border-left-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.result-item.success {
    border-left-color: #10b981;
}

/* Progress Bar */
.progress {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
}

.progress-bar {
    background: var(--secondary);
    border-radius: 2px;
}

/* Loading */
.loading {
    text-align: center;
    padding: 1rem;
}

.spinner-border {
    color: var(--secondary);
}

/* Alerts */
.alert {
    border-radius: var(--radius);
    border: none;
}

.alert-info {
    background: rgba(0, 119, 182, 0.1);
    color: var(--secondary);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

/* File Drop Zone Small */
.file-drop-zone-small {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: border-color 0.2s ease, background-color 0.2s ease;
    cursor: pointer;
    background: var(--gray-light);
}

.file-drop-zone-small:hover {
    border-color: var(--secondary);
    background: rgba(0, 119, 182, 0.02);
}

/* JSON Visualizer */
.json-visualizer {
    background: #1e1e1e;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid #333;
}

.json-viewer-wrapper {
    max-height: 500px;
    overflow: auto;
    background: #1e1e1e;
}

.json-viewer {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.5;
    padding: 1rem;
    color: #d4d4d4;
}

/* Estilos para el JSON formateado */
.json-viewer .json-key {
    color: #9cdcfe;
    font-weight: 500;
}

.json-viewer .json-string {
    color: #ce9178;
}

.json-viewer .json-number {
    color: #b5cea8;
}

.json-viewer .json-boolean {
    color: #569cd6;
}

.json-viewer .json-null {
    color: #569cd6;
}

.json-viewer .json-bracket {
    color: #ffd700;
}

.json-viewer .json-punctuation {
    color: #d4d4d4;
}

/* Línea por línea para mejor visualización */
.json-line {
    display: block;
    white-space: pre-wrap;
    font-family: inherit;
}

.json-line-number {
    display: inline-block;
    width: 40px;
    text-align: right;
    color: #858585;
    user-select: none;
    margin-right: 12px;
    font-size: 12px;
}

.json-line-content {
    display: inline;
}

/* Toolbar */
.json-toolbar {
    background: #2d2d2d;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid #3d3d3d;
    display: flex;
    gap: 0.5rem;
}

/* Badge info */
.badge-info {
    background: rgba(0, 119, 182, 0.2);
    color: var(--secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
}

/* ==================== ELIMINAR TODOS LOS MOVIMIENTOS ==================== */
/* Esto asegura que ninguna tarjeta o elemento tenga transformaciones de movimiento */

.util-card,
.util-card:hover,
.card-header-icon,
.card-header-icon:hover,
.btn-primary,
.btn-primary:hover,
.btn-success,
.btn-success:hover,
.btn-outline-secondary,
.btn-outline-secondary:hover,
.tab-btn,
.tab-btn:hover,
.tab-btn.active,
.file-drop-zone,
.file-drop-zone:hover,
.file-drop-zone-small,
.file-drop-zone-small:hover,
.result-item,
.result-item:hover,
.result-item.success,
.result-item.error,
.navbar,
.navbar:hover,
.nav-link,
.nav-link:hover,
.social-links a,
.social-links a:hover,
.footer-links a,
.footer-links a:hover {
    transform: none !important;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease !important;
}

/* Asegurar que el hover solo cambie colores, sin movimiento */
.util-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--secondary);
    /* No transform */
}

.btn-primary:hover {
    background: var(--primary);
    /* No transform */
}

.tab-btn:hover {
    background: var(--gray-light);
    color: var(--secondary);
    /* No transform */
}

.file-drop-zone:hover,
.file-drop-zone-small:hover {
    border-color: var(--secondary);
    background: rgba(0, 119, 182, 0.02);
    /* No transform */
}
/* Footer (se hereda de style.css) */