/* ============================================
   PÁGINA PRINCIPAL - VISUALIZADOR
   Vista dual profesional con estructura 3D y grafo
   ============================================ */

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

/* === LAYOUT PRINCIPAL === */
.viewer-page {
    min-height: 100vh;
    background: linear-gradient(180deg, #F7F9FC 0%, #FFFFFF 65%);
    padding-bottom: var(--space-16);
    color: var(--gray-900);
}

.viewer-container {
    max-width: 1680px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6) var(--space-12);
}

#py3dmol-container {
    width: 100%;
    height: 100%;
}

.legend-icon {
    margin-right: var(--space-2);
}

.legend-icon--dipole {
    color: #ef4444;
}

.legend-icon--structure {
    color: #3b82f6;
}

/* === HEADER DE LA PÁGINA === */
.page-header {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 30px 60px -40px rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(12px);
    animation: slideDown var(--transition-slow) ease-out;
}

.page-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.page-title-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.page-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-4xl);
    color: white;
    box-shadow: 0 14px 35px -18px rgba(30, 64, 175, 0.65);
}

.page-title-text h1 {
    font-size: clamp(2.5rem, 4vw, 3.25rem);
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-900) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.page-subtitle {
    color: var(--gray-600);
    font-size: var(--text-lg);
    margin: 0;
    font-weight: 500;
}

/* === CONTROLES === */
.controls-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 24px 48px -32px rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(10px);
    animation: slideUp var(--transition-slow) ease-out;
    animation-delay: 100ms;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
    align-items: end;
}

#dipole-status-container,
#toggle-dipole-analysis {
    display: none;
}

#granularity-toggle {
    display: none;
}


.quick-start-guide {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(99, 102, 241, 0.06) 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    animation: slideDown var(--transition-slow) ease-out;
}

.quick-start-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.quick-start-header i {
    color: var(--primary-600);
    font-size: var(--text-xl);
}

.quick-start-header h3 {
    margin: 0;
    font-size: var(--text-lg);
    color: var(--gray-900);
    font-weight: 700;
}

.quick-start-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}
     
.step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    font-weight: 700;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.step-text {
    display: flex;
    align-items: center;
    color: var(--gray-700);
    font-weight: 500;
    font-size: var(--text-sm);
    line-height: 1.4;
}

/* === CONTROLES MEJORADOS === */
.control-hint {
    display: block;
    font-size: var(--text-xs);
    color: var(--gray-500);
    margin-top: var(--space-1);
    font-weight: 500;
    text-transform: capitalize;
}

.help-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-600);
    font-size: var(--text-xs);
    cursor: help;
    transition: all var(--transition-base);
    position: relative;
}

.help-tooltip:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: scale(1.1);
}

.help-tooltip::after {
    content: attr(title);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.95);
    color: white;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    width: 280px;
    text-align: center;
    line-height: 1.6;
    white-space: normal;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.help-tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -8px);
}

/* === CONTROLES DE GRAFO MEJORADOS === */
#graph-plot {
    position: relative;
    min-height: 500px;
    width: 100%;
    height: 100%;
}

#graph-loading,
#graph-info-details {
    display: none;
}

.graph-controls-info {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.08) 0%, rgba(129, 199, 132, 0.06) 100%);
    border-left: 3px solid var(--secondary-500);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.aa-color-legend {
    background: rgba(15, 23, 42, 0.02);
    border: 1px solid rgba(15, 23, 42, 0.08);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    margin-top: var(--space-4);
}

.aa-legend-toggle {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    font-size: var(--text-base);
    cursor: pointer;
    gap: var(--space-2);
    padding: var(--space-2) 0;
}

.aa-legend-toggle span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-700);
}

.aa-legend-toggle i.fa-chevron-down {
    transition: transform var(--transition-fast);
}

.aa-legend-toggle[aria-expanded="true"] i.fa-chevron-down {
    transform: rotate(180deg);
}

.aa-color-legend-content {
    margin-top: var(--space-3);
}

.aa-color-legend-content[hidden] {
    display: none;
}

.aa-color-group {
    margin-bottom: var(--space-5);
}

.aa-color-group-title {
    margin: 0;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.aa-color-group-meta {
    margin: var(--space-1) 0 var(--space-3) 0;
    font-size: var(--text-xs);
    color: var(--gray-500);
    text-transform: capitalize;
}

.aa-color-legend h4 {
    margin: 0 0 var(--space-3) 0;
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--gray-700);
}

.aa-color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-2);
}

.aa-color-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-2) 0;
}

.aa-color-swatch {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    box-shadow: 0 3px 8px rgba(15, 23, 42, 0.35), inset 0 0 0 2px rgba(0,0,0,0.25);
    border: 1px solid rgba(255, 255, 255, 0.18);
    flex-shrink: 0;
}

.aa-color-swatch--ala { background: #94a354; }
.aa-color-swatch--gly { background: #788f47; }
.aa-color-swatch--val { background: #666e2d; }
.aa-color-swatch--leu { background: #72664c; }
.aa-color-swatch--ile { background: #886d3f; }
.aa-color-swatch--phe { background: #654996; }
.aa-color-swatch--trp { background: #412d7a; }
.aa-color-swatch--met { background: #d97706; }
.aa-color-swatch--pro { background: #f87171; }
.aa-color-swatch--ser { background: #0ea5e9; }
.aa-color-swatch--thr { background: #06b6d4; }
.aa-color-swatch--tyr { background: #e9d66b; }
.aa-color-swatch--asn { background: #22c55e; }
.aa-color-swatch--cys { background: #fde047; }
.aa-color-swatch--gln { background: #2dd4bf; }
.aa-color-swatch--lys { background: #2563eb; }
.aa-color-swatch--arg { background: #1d4ed8; }
.aa-color-swatch--his { background: #f472b6; }
.aa-color-swatch--asp { background: #ef4444; }
.aa-color-swatch--glu { background: #f43f5e; }

.aa-color-label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: #e5e7eb; /* light gray for dark background */
}

.aa-color-meta {
    font-size: var(--text-xs);
    color: #9ca3af;
    text-transform: capitalize;
}

.controls-hint {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--gray-700);
    margin: 0;
    font-weight: 500;
}

.controls-hint i {
    color: var(--secondary-600);
    font-size: var(--text-base);
}

.graph-controls-toolbar {
    margin-top: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.04), rgba(14, 165, 233, 0.02));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.graph-controls-toolbar-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.toolbar-label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary-600);
}

.toolbar-copy {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin: 0;
}

.ghost-pill-btn {
    border: 1px solid rgba(59, 130, 246, 0.35);
    color: var(--primary-700);
    background: rgba(59, 130, 246, 0.08);
    border-radius: var(--radius-full);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: background var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.ghost-pill-btn:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.55);
    box-shadow: 0 15px 30px -22px rgba(59, 130, 246, 0.9);
}

.ghost-pill-btn:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.45);
    outline-offset: 3px;
}

body.modal-open {
    overflow: hidden;
}

.advanced-modal-overlay,
.advanced-detail-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    z-index: 4000;
    backdrop-filter: blur(6px);
}

.advanced-modal-overlay.is-visible,
.advanced-detail-modal.is-visible {
    display: flex;
}

.advanced-modal-card,
.advanced-detail-card {
    width: min(720px, 95vw);
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.98), rgba(226, 232, 240, 0.95));
    color: var(--gray-900);
    box-shadow: 0 35px 80px -40px rgba(15, 23, 42, 0.35);
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.advanced-modal-header,
.advanced-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
}

.advanced-modal-eyebrow {
    font-size: var(--text-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-500);
    margin: 0 0 0.25rem;
}

.advanced-modal-copy {
    margin: 0;
    color: var(--gray-600);
    font-size: var(--text-sm);
}

.advanced-modal-close {
    border: none;
    background: rgba(15, 23, 42, 0.08);
    color: var(--gray-700);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.advanced-modal-close:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: rotate(90deg);
}

.advanced-option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: var(--space-3);
}

.advanced-option-card {
    border-radius: var(--radius-xl);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.85);
    padding: var(--space-4);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-3);
    align-items: center;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
    text-align: left;
}

.advanced-option-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.45);
    background: rgba(226, 232, 240, 0.9);
}

.advanced-option-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.advanced-option-title {
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.advanced-option-description {
    margin: 0;
    color: var(--gray-600);
    font-size: var(--text-sm);
}

.advanced-detail-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.advanced-back-btn {
    border: none;
    background: transparent;
    color: var(--primary-600);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}

.advanced-back-btn:hover {
    color: var(--primary-700);
}

.advanced-detail-header {
    align-items: center;
}

@media (max-width: 768px) {
    .advanced-modal-card,
    .advanced-detail-card {
        padding: var(--space-4);
    }

    .advanced-option-card {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .graph-controls-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* === SEGMENT COLOR LEGEND === */
.segment-color-legend {
    margin-top: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(59, 130, 246, 0.06);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.segment-legend-title {
    margin: 0;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--primary-700);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.segment-legend-description {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.segment-legend-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.segment-legend-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: var(--space-3);
    align-items: center;
}

.segment-legend-color {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    border: 2px solid rgba(15, 23, 42, 0.1);
}

.segment-color-primary {
    background: #22c55e;
    box-shadow: 0 0 12px rgba(34, 197, 94, 0.3);
}

.segment-color-secondary {
    background: #0ea5e9;
    box-shadow: 0 0 12px rgba(14, 165, 233, 0.3);
}

.segment-color-muted {
    background: #cbd5f1;
    box-shadow: inset 0 0 8px rgba(15, 23, 42, 0.1);
}

.segment-legend-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.segment-legend-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-900);
    display: block;
}

.segment-legend-desc {
    font-size: var(--text-xs);
    color: var(--gray-600);
    display: block;
}

/* === ANALYSIS HUB MEJORADO === */
.analysis-hub-copy {
    max-width: 560px;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.analysis-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--primary-600);
    background: rgba(59, 130, 246, 0.12);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    width: fit-content;
}

.analysis-hub-copy p {
    color: var(--gray-600);
    margin: 0;
    font-size: var(--text-base);
    line-height: 1.6;
}

/* === MODAL DEL GRAFO === */
.graph-controls-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2147483647;
    pointer-events: auto;
}

.graph-controls-modal-overlay.open {
    display: flex;
}

.graph-controls-modal {
    background: #0f1724;
    border-radius: 12px;
    padding: var(--space-3) var(--space-3) var(--space-4);
    width: min(95vw, 1800px);
    height: min(95vh, 900px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    flex-direction: column;
    position: relative;
    gap: var(--space-3);
}

.graph-controls-modal .modal-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.graph-controls-modal .modal-title {
    font-weight: 600;
    margin: 0;
}

.modal-subtitle {
    margin-top: var(--space-1);
    margin-bottom: var(--space-2);
    opacity: 0.9;
    color: #e5e7eb;
    font-size: var(--text-sm);
}

.graph-controls-modal .modal-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.modal-action-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.04);
    color: #fff;
    padding: var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-action-btn:hover {
    border-color: rgba(96, 165, 250, 0.5);
    background: rgba(96, 165, 250, 0.15);
}

.modal-action-btn.active {
    background: linear-gradient(180deg, rgba(79, 70, 229, 0.9), rgba(79, 70, 229, 0.7));
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.12);
}

.graph-controls-modal .modal-footer {
    margin-top: var(--space-3);
    display: flex;
    justify-content: flex-end;
}

.modal-connections-panel {
    margin-top: var(--space-2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    background: rgba(0, 0, 0, 0.25);
    padding: var(--space-2);
}

.modal-connections-carousel {
    position: relative;
    margin-top: var(--space-2);
    overflow: hidden;
    width: 100%;
    padding: 0 var(--space-8);
    display: flex;
    align-items: center;
}

.modal-connections-track {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-1) 0;
    align-items: center;
    transition: transform 0.3s ease;
    will-change: transform;
}

.modal-connections-grid {
    max-height: 250px;
    overflow-y: auto;
}

.modal-connection-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.18s ease;
    position: relative;
    overflow: hidden;
    min-width: 72px;
    height: 72px;
    flex-shrink: 0;
}

.modal-connection-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #60a5fa, #3b82f6);
    opacity: 0;
    transition: opacity 0.2s;
}

.modal-connection-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(96, 165, 250, 0.15);
    border-color: rgba(96, 165, 250, 0.3);
}

.modal-connection-card:hover::before {
    opacity: 1;
}

.modal-connection-card-icon {
    width: 28px;
    height: 28px;
    font-size: var(--text-base);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(96, 165, 250, 0.08);
    border-radius: var(--radius-md);
    color: #60a5fa;
    transition: transform 0.15s ease, background 0.15s ease;
}

.modal-connection-card-name {
    margin-top: var(--space-1);
    font-size: 11px;
    color: #e6eef8;
    font-weight: 600;
    text-align: center;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.modal-connection-card-distance {
    font-size: 11px;
    color: #9ca3af;
    font-weight: 500;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.modal-connection-card.active {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.06));
    border-color: rgba(16, 185, 129, 0.9);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.12);
    transform: translateY(-4px) scale(1.04);
    z-index: 5;
}

.modal-connection-card.active .modal-connection-card-icon {
    background: linear-gradient(180deg, #10b981, #059669);
    color: #fff;
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.18);
    transform: scale(1.12);
}

.modal-connection-card.active::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

.modal-connection-card[data-selected-not-linked="true"] {
    border-style: dashed;
    border-color: rgba(16, 185, 129, 0.6);
}

.modal-connections-grid::-webkit-scrollbar {
    width: 6px;
}

.modal-connections-grid::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.modal-connections-grid::-webkit-scrollbar-thumb {
    background: rgba(96, 165, 250, 0.3);
    border-radius: 4px;
}

.modal-connections-grid::-webkit-scrollbar-thumb:hover {
    background: rgba(96, 165, 250, 0.5);
}

.modal-carousel-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.2s;
}

.modal-carousel-btn.left {
    left: 8px;
}

.modal-carousel-btn.right {
    right: 8px;
}

.modal-carousel-btn:hover {
    background: rgba(96, 165, 250, 0.2);
    border-color: rgba(96, 165, 250, 0.4);
}

.modal-carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.modal-carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: var(--space-2);
}

.modal-carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.2s;
}

.modal-carousel-indicator.active {
    background: #60a5fa;
}

.modal-carousel-indicator:hover {
    background: rgba(96, 165, 250, 0.6);
}

.modal-graph-host {
    display: none;
    width: 100%;
    height: 100%;
    margin-top: var(--space-2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    position: relative;
    flex: 1;
    overflow: hidden;
}

.modal-graph-host.active {
    display: block;
}

/* Asegurar contraste máximo en los selectores del viewer */
#groupSelect,
#proteinSelect,
#family-export-type-selector,
#export-type-selector,
#family-selector,
#wt-family-selector,
#wt-export-type-selector {
    color: #1a1a1a !important;
    font-weight: 800 !important;
    background-color: #ffffff !important;
    font-size: var(--text-base) !important;
}

#groupSelect option,
#proteinSelect option,
#family-export-type-selector option,
#export-type-selector option,
#family-selector option,
#wt-family-selector option,
#wt-export-type-selector option {
    color: #1a1a1a !important;
    background-color: #ffffff !important;
    font-weight: 700 !important;
    font-size: var(--text-base) !important;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.control-label {
    font-weight: 800;
    color: var(--gray-700);
    font-size: var(--text-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

.control-icon {
    color: var(--primary-500);
}

/* Estado del dipolo */
.dipole-status-box {
    background: linear-gradient(135deg, var(--accent-50) 0%, var(--accent-100) 100%);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--accent-500);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    animation: pulse 2s ease-in-out infinite;
}

.dipole-indicator {
    width: 12px;
    height: 12px;
    background: var(--secondary-500);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.dipole-indicator.active {
    background: var(--secondary-500);
    box-shadow: 0 0 12px var(--secondary-400);
}

.dipole-indicator.inactive {
    background: var(--gray-400);
}

/* === VISTA DUAL === */
.dual-view-wrapper {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    animation: fadeIn var(--transition-slow) ease-in;
    animation-delay: 200ms;
    align-items: flex-start;
}

/* Panel individual */
.view-panel {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 1000px;
}

.view-panel:hover {
    box-shadow: var(--shadow-2xl);
    transform: translateY(-4px);
}

.panel-header {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    padding: var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 3px solid var(--primary-800);
}

.panel-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xl);
    font-weight: 700;
    margin: 0;
}

.panel-controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.panel-icon-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.18);
    color: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.panel-icon-btn:hover,
.panel-icon-btn:focus-visible {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
    outline: none;
}

.panel-icon-btn:hover,
.panel-icon-btn:focus-visible {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
    outline: none;
}

.view-toggle {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-1);
    gap: var(--space-1);
}

.view-toggle-btn {
    padding: var(--space-2) var(--space-4);
    background: transparent;
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.view-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.view-toggle-btn.active {
    background: white;
    color: var(--primary-700);
    box-shadow: var(--shadow-sm);
}

/* Contenedor del visualizador */
.viewer-container-box {
    position: relative;
    flex: 1;
    min-height: 600px;
    background: var(--gray-50);
}

.viewer-canvas {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.viewer-canvas.active {
    opacity: 1;
    z-index: 1;
}

.viewer-info-overlay {
    position: absolute;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    font-size: var(--text-xs);
    z-index: 5;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex-wrap: nowrap;
    border: 1px solid rgba(59, 130, 246, 0.2);
    max-width: 280px;
    pointer-events: auto;
}

.viewer-info-overlay.top-left {
    top: var(--space-2);
    left: var(--space-2);
}

.viewer-info-overlay strong {
    color: var(--primary-600);
    font-weight: 700;
    white-space: nowrap;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-weight: 600;
    color: var(--gray-700);
    white-space: nowrap;
}

.legend-item i {
    font-size: var(--text-base);
}

/* Panel de grafo */
.graph-panel .panel-header {
    background: linear-gradient(135deg, var(--accent-600) 0%, var(--accent-700) 100%);
    border-bottom-color: var(--accent-800);
}

.graph-controls-section {
    background: var(--gray-50);
    padding: var(--space-4);
    border-bottom: 2px solid var(--gray-200);
}

.graph-controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    align-items: end;
}


.residue-search-card {
    margin-top: var(--space-8);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(59, 130, 246, 0.02) 100%);
    border: 1px solid rgba(59, 130, 246, 0.15);
    box-shadow: 0 18px 30px -25px rgba(30, 64, 175, 0.6);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-5);
    width: 30vmax;
}

.residue-search-card-header {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    align-items: flex-start;
}

.residue-search-card .help-tooltip {
    align-self: flex-start;
    flex-shrink: 0;
}

.residue-search-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-600);
    margin: 0 0 var(--space-1);
}

.residue-search-card h4 {
    margin: 0;
    font-size: var(--text-lg);
    color: var(--gray-900);
}

.residue-search-copy {
    margin: var(--space-1) 0 0;
    color: var(--gray-600);
    font-size: var(--text-sm);
}

.segment-search-card {
    width: 100%;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0.02) 100%);
    border-color: rgba(16, 185, 129, 0.25);
}

.segment-search-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
}

.segment-input {
    flex: 1 1 120px;
    max-width: 200px;
}

.segment-clear-btn {
    background: var(--gray-200);
    color: var(--gray-800);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-4);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: background var(--transition-base), color var(--transition-base);
}

.segment-clear-btn:hover {
    background: var(--gray-300);
}

.segment-search-feedback {
    min-height: 1.5rem;
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.segment-search-feedback[data-state="success"] {
    color: var(--primary-600);
}

.segment-search-feedback[data-state="warning"] {
    color: var(--amber-600, #b45309);
}

.segment-search-feedback[data-state="error"] {
    color: var(--rose-600, #e11d48);
}

@media (max-width: 1024px) {
    .residue-search-container {
        padding: var(--space-3);
        gap: var(--space-1);
    }

    .residue-input {
        flex: 1 1 60px;
        max-width: 90px;
    }
}

@media (max-width: 768px) {
    .residue-search-card {
        flex-direction: column;
        align-items: stretch;
    }

    .residue-search-card-header {
        flex: 0 0 auto;
    }

    .residue-search-container {
        flex: 0 0 auto;
    }

    .residue-search-btn {
        margin-left: 0;
    }
}

.graph-plot-wrapper {
    flex: 1;
    position: relative;
    padding: var(--space-3);
    min-height: 600px;
    background: linear-gradient(135deg, rgba(249, 250, 251, 0.5) 0%, rgba(243, 244, 246, 0.5) 100%);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.graph-info-panel {
    margin: var(--space-3) var(--space-3) var(--space-2);
    padding: var(--space-4);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(249, 250, 251, 0.98) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.12);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.08);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 72px;
    transition: all var(--transition-base);
}

.graph-info-content {
    width: 100%;
}

/* Estado vacío - Mensaje inicial */
.graph-info-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    text-align: center;
    padding: var(--space-2);
}

.graph-info-empty-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(99, 102, 241, 0.08) 100%);
    color: var(--primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
}

.graph-info-empty-text {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin: 0;
    font-weight: 500;
}

/* Estado con detalles */
.graph-info-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    animation: fadeIn var(--transition-fast) ease-out;
}

/* Encabezado del nodo */
.node-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.node-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(99, 102, 241, 0.08) 100%);
    color: var(--primary-600);
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.node-title {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.node-title strong {
    font-size: var(--text-base);
    color: var(--gray-900);
    font-weight: 700;
    margin: 0;
}

.node-title span {
    font-size: var(--text-xs);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin: 0;
}

/* Métricas en chips */
.node-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-2);
}

.metric-chip {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, rgba(99, 102, 241, 0.04) 100%);
    border: 1px solid rgba(59, 130, 246, 0.12);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    transition: all var(--transition-base);
}

.metric-chip:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(99, 102, 241, 0.08) 100%);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.metric-label {
    font-size: var(--text-xs);
    color: var(--gray-600);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.metric-value {
    font-size: var(--text-lg);
    color: var(--primary-700);
    font-weight: 700;
    font-family: var(--font-mono);
}

/* Conexiones - Sección Principal */
/* === SECCIÓN DE CONEXIONES - Card Grid Design === */
.node-connections-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

/* Título de la sección */
.connections-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.connections-title i {
    font-size: var(--text-lg);
    color: var(--primary-600);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.08));
    border-radius: var(--radius-md);
}

.connections-title h4 {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    flex: 1;
}

.badge-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 var(--space-2);
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    font-size: var(--text-sm);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* Grid de conexiones */
.connections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-2);
    max-height: 280px;
    overflow-y: auto;
    padding: var(--space-1);
}

/* Card individual de conexión */
.connection-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: var(--space-3);
    background: linear-gradient(135deg, #ffffff 0%, rgba(249, 250, 251, 1) 100%);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.connection-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.connection-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15),
                0 0 0 2px rgba(59, 130, 246, 0.2);
    border-color: var(--primary-400);
}

.connection-card:hover::before {
    opacity: 1;
}

.connection-card:active {
    transform: translateY(0);
}

/* Icono del card */
.connection-card-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(99, 102, 241, 0.08));
    border-radius: var(--radius-md);
    color: var(--primary-600);
    font-size: var(--text-sm);
}

/* Nombre de la conexión */
.connection-card-name {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--primary-700);
    font-family: var(--font-mono);
    text-align: center;
    word-break: break-word;
    line-height: 1.2;
}

/* Distancia */
.connection-card-distance {
    font-size: var(--text-xs);
    color: var(--gray-500);
    font-weight: 500;
    padding: var(--space-1) var(--space-2);
    background: rgba(107, 114, 128, 0.08);
    border-radius: var(--radius-md);
}

/* Scrollbar personalizado para el grid */
.connections-grid::-webkit-scrollbar {
    width: 8px;
}

.connections-grid::-webkit-scrollbar-track {
    background: rgba(59, 130, 246, 0.04);
    border-radius: var(--radius-md);
}

.connections-grid::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.3), rgba(99, 102, 241, 0.3));
    border-radius: var(--radius-md);
}

.connections-grid::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.5), rgba(99, 102, 241, 0.5));
}

/* Estado vacío */
.connections-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-5) var(--space-4);
    text-align: center;
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.02) 0%, rgba(107, 114, 128, 0.01) 100%);
    border: 2px dashed rgba(107, 114, 128, 0.2);
    border-radius: var(--radius-lg);
}

.connections-empty i {
    font-size: 2rem;
    color: var(--gray-400);
}

.connections-empty span {
    font-size: var(--text-sm);
    color: var(--gray-500);
    font-weight: 500;
}

/* === NODE INFORMATION TOOLTIP - Mejorado === */
.node-info-tooltip {
    position: fixed;
    background: linear-gradient(135deg, #ffffff 0%, rgba(249, 250, 251, 0.8) 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    box-shadow: 0 10px 32px rgba(59, 130, 246, 0.15), 
                0 0 0 1px rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(12px);
    z-index: 1000;
    max-width: 320px;
    animation: slideIn 0.2s ease-out;
    pointer-events: auto;
}

.node-info-tooltip::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 2px;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
}

.node-info-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.node-info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(99, 102, 241, 0.08) 100%);
    color: var(--primary-600);
    font-weight: 700;
}

.node-info-title {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.node-info-title strong {
    font-size: var(--text-base);
    color: var(--gray-900);
    font-weight: 700;
}

.node-info-title span {
    font-size: var(--text-xs);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.node-info-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.node-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.04) 0%, transparent 100%);
    border-radius: var(--radius-md);
    border-left: 3px solid rgba(59, 130, 246, 0.3);
}

.node-info-label {
    font-size: var(--text-xs);
    color: var(--gray-600);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.node-info-value {
    font-size: var(--text-sm);
    color: var(--gray-900);
    font-weight: 700;
    font-family: var(--font-mono);
}

.node-info-footer {
    margin-top: var(--space-2);
    padding-top: var(--space-2);
    border-top: 1px solid rgba(59, 130, 246, 0.1);
    font-size: var(--text-xs);
    color: var(--gray-500);
    text-align: center;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Toggle de granularidad */
.granularity-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.toggle-switch {
    position: relative;
    width: 64px;
    height: 32px;
    background: var(--gray-300);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.toggle-switch.active {
    background: var(--secondary-500);
}

.toggle-slider {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(32px);
}

.toggle-label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--gray-900);
}

/* === ANÁLISIS E INSIGHTS === */
.analysis-hub {
    margin-top: var(--space-8);
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 45px 80px -50px rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(14px);
}

.analysis-hub-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.analysis-hub-copy {
    max-width: 560px;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.analysis-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--primary-600);
    background: rgba(59, 130, 246, 0.12);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.analysis-hub-copy p {
    color: var(--gray-600);
    margin: 0;
    font-size: var(--text-base);
    line-height: 1.6;
}

.analysis-hub-copy h2 {
    font-size: clamp(1.875rem, 3.5vw, 2.25rem);
    margin: 0;
    color: var(--gray-900);
    font-weight: 800;
}

.analysis-hub-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: flex-end;
}

.analysis-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5) !important;
    border-radius: var(--radius-full) !important;
    border: 1px solid rgba(59, 130, 246, 0.22) !important;
    background: #ffffff !important;
    color: var(--primary-700) !important;
    font-size: var(--text-sm) !important;
    font-weight: 600 !important;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm) !important;
}

.analysis-toggle-btn .tab-icon,
.analysis-toggle-btn .tab-chevron {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
}

.analysis-toggle-btn .tab-icon {
    color: var(--primary-600) !important;
}

.analysis-toggle-btn .tab-chevron {
    color: var(--primary-500) !important;
    margin-left: auto;
}

.analysis-toggle-btn:hover {
    background: var(--primary-50) !important;
    border-color: rgba(59, 130, 246, 0.35) !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

.analysis-toggle-btn.expanded {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    color: #ffffff !important;
    border-color: transparent !important;
    box-shadow: var(--shadow-md) !important;
}

.analysis-toggle-btn.expanded .tab-icon,
.analysis-toggle-btn.expanded .tab-chevron {
    color: #ffffff !important;
}

.toggle-icon {
    transition: transform var(--transition-fast);
}

.analysis-toggle-btn.expanded .toggle-icon,
.analysis-toggle-btn.open .toggle-icon {
    transform: rotate(180deg);
}

.analysis-panels {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.analysis-panel-card {
    display: none;
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: var(--shadow-xl);
    padding: var(--space-6);
    animation: fadeIn var(--transition-base) ease-out;
}

.analysis-panel-card.show {
    display: block;
}

.analysis-panel-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.panel-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--primary-600);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.analysis-panel-header h3 {
    font-size: clamp(1.75rem, 2.5vw, 2.25rem);
    margin: 0;
    color: var(--gray-900);
}

.analysis-panel-header p {
    margin: 0;
    color: var(--gray-600);
    max-width: 720px;
}

.analysis-panel-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.analysis-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.analysis-section h4 {
    font-size: var(--text-xl);
    color: var(--gray-900);
    margin: 0;
}

.analysis-section h5 {
    font-size: var(--text-base);
    color: var(--gray-700);
    margin: 0;
    font-weight: 700;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: linear-gradient(180deg, rgba(248, 250, 255, 0.85) 0%, #ffffff 90%);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.info-item.info-item-full {
    grid-column: 1 / -1;
}

.info-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    color: var(--primary-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.info-content .label {
    font-size: var(--text-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-500);
    font-weight: 700;
}

.info-content .value {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--gray-900);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
}

.metric-card {
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(59, 130, 246, 0.12);
    background: linear-gradient(180deg, rgba(227, 242, 253, 0.6) 0%, #ffffff 85%);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.metric-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(30, 64, 175, 0.25));
    color: var(--primary-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.metric-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin: 0;
    color: var(--gray-900);
}

.metric-subtitle {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin: 0;
}

.metric-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--gray-700);
    font-weight: 600;
}

.metric-details span span {
    font-weight: 700;
    color: var(--primary-700);
}

.top-residues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
}

.top-metric-column {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: rgba(248, 250, 255, 0.85);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.top-metric-column h5 {
    font-size: var(--text-base);
    margin: 0;
    color: var(--gray-800);
}

.residue-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.residue-list li {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary-700);
    font-weight: 700;
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.control-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.export-action-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.tooltip {
    position: relative;
    display: inline-flex;
}

.tooltip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--primary-500);
    color: #ffffff;
    border-radius: 50%;
    font-size: var(--text-xs);
    cursor: help;
    transition: all var(--transition-fast);
}

.tooltip-icon:hover {
    background: var(--primary-600);
    transform: scale(1.05);
}

.tooltip-text {
    visibility: hidden;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.92);
    color: #ffffff;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    line-height: 1.4;
    width: 240px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    pointer-events: none;
    z-index: var(--z-tooltip);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, -4px);
}

/* === EXPORT ACTION CARDS - PROFESSIONAL UX/UI DESIGN === */

.export-action-card {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: var(--space-5);
    margin-bottom: var(--space-4);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.15);
    background: linear-gradient(135deg, #ffffff 0%, rgba(227, 242, 253, 0.25) 100%);
    transition: all var(--transition-base);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    gap: var(--space-4);
}

.export-action-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.08);
    transform: translateY(-2px);
}

.export-action-card:last-child {
    margin-bottom: 0;
}

/* Left Section: Icon + Info */
.export-action-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex: 0 0 auto;
}

.export-action-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.primary-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.08) 100%);
    color: #3B82F6;
}

.secondary-icon {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.15) 0%, rgba(76, 175, 80, 0.08) 100%);
    color: #4CAF50;
}

.accent-icon {
    background: linear-gradient(135deg, rgba(156, 39, 176, 0.15) 0%, rgba(156, 39, 176, 0.08) 100%);
    color: #9C27B0;
}

.export-action-card:hover .export-action-icon {
    transform: scale(1.05);
}

.export-action-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.export-action-title {
    margin: 0;
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--gray-900);
    letter-spacing: -0.4px;
}

.export-action-desc {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--gray-600);
    font-weight: 500;
}

/* Right Section: Controls */
.export-action-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-end;
}

.control-inline {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 160px;
}

.control-label-inline {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.select-modern {
    padding: var(--space-2) var(--space-3) !important;
    font-size: var(--text-sm) !important;
    font-weight: 500 !important;
    border: 1px solid rgba(59, 130, 246, 0.2) !important;
    border-radius: var(--radius-lg) !important;
    background-color: white !important;
    color: var(--gray-900) !important;
    transition: all var(--transition-base) !important;
    font-family: inherit !important;
    cursor: pointer !important;
    min-width: 160px !important;
}

.select-modern:hover {
    border-color: rgba(59, 130, 246, 0.4) !important;
    background-color: rgba(59, 130, 246, 0.02) !important;
}

.select-modern:focus {
    outline: none !important;
    border-color: #3B82F6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
}

.select-modern:disabled {
    background-color: var(--gray-100) !important;
    color: var(--gray-500) !important;
    cursor: not-allowed !important;
    opacity: 0.6 !important;
}

/* Action Buttons */
.btn-action {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    transition: all var(--transition-base);
    white-space: nowrap;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-action-primary {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: white;
}

.btn-action-primary:hover {
    background: linear-gradient(135deg, #2563EB 0%, #1e40af 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.35);
}

.btn-action-secondary {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
}

.btn-action-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, #45a049 0%, #388E3C 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.35);
}

.btn-action-accent {
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
    color: white;
}

.btn-action-accent:hover:not(:disabled) {
    background: linear-gradient(135deg, #7B1FA2 0%, #6A1B9A 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(156, 39, 176, 0.35);
}

.btn-action:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-action:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-action i {
    font-size: 1rem;
}

/* Legacy Export Grid (if still needed for other sections) */
.export-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
}

.export-card {
    padding: var(--space-5);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(59, 130, 246, 0.12);
    background: linear-gradient(180deg, #ffffff 50%, rgba(227, 242, 253, 0.5) 100%);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.export-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.export-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    background: rgba(59, 130, 246, 0.16);
    color: var(--primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.export-card-header h4 {
    margin: 0;
    font-size: var(--text-lg);
    color: var(--gray-900);
}

.export-card-header p {
    margin: 0;
    color: var(--gray-600);
    font-size: var(--text-sm);
}

.export-card-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.export-info {
    color: var(--gray-600);
    font-size: var(--text-sm);
    margin: 0;
    line-height: 1.5;
}

.comparison-description {
    font-size: var(--text-sm);
    color: var(--gray-600);
    line-height: 1.6;
    border-radius: var(--radius-md);
    background: rgba(59, 130, 246, 0.08);
    padding: var(--space-3);
    margin: 0;
}

.comparison-description code {
    background: rgba(15, 23, 42, 0.08);
    color: var(--gray-800);
}

.dipole-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
}

.dipole-card {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(156, 39, 176, 0.12);
    background: linear-gradient(180deg, rgba(156, 39, 176, 0.08) 0%, #ffffff 88%);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.property-label {
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-700);
}

.property-value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
}

.property-unit {
    font-size: var(--text-xs);
    color: var(--gray-500);
    font-weight: 600;
    text-transform: uppercase;
}

.direction-value,
.coordinates-value {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--primary-700);
    background: rgba(59, 130, 246, 0.08);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

/* === EXPORT MODAL & TOASTS === */
/* Modal base (hidden by default) */
.export-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.export-modal.show {
    display: flex;
}

.export-modal .modal-content {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-6);
    width: min(560px, 92vw);
}

.export-modal .modal-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-500) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.export-modal .modal-title {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.export-modal .modal-subtitle {
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    font-weight: 600;
}

.export-modal .modal-progress {
    background: var(--gray-100);
    border-radius: var(--radius-full);
    height: 8px;
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.export-modal .progress-bar {
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
    border-radius: var(--radius-full);
    animation: progressAnimation 2.2s ease-in-out infinite;
}

@keyframes progressAnimation {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(20%); }
    100% { transform: translateX(100%); }
}

.export-modal .modal-details {
    font-size: var(--text-sm);
    color: var(--gray-900);
    font-weight: 500;
}

/* Toasts */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    z-index: var(--z-popover);
}

.toast {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 360px;
    max-width: 92vw;
    opacity: 0;
    transform: translateY(-8px);
    transition: all var(--transition-base);
    border-left: 4px solid var(--primary-500);
}

.toast.show { opacity: 1; transform: translateY(0); }
.toast.hide { opacity: 0; transform: translateY(-8px); }

.toast-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--gray-200);
}
.toast-title { font-weight: 800; color: var(--gray-900); }
.toast-message { padding: var(--space-3) var(--space-4); color: var(--gray-700); }
.toast-icon { color: var(--primary-600); font-size: var(--text-lg); }
.toast.success { border-left-color: var(--secondary-600); }
.toast.info { border-left-color: var(--primary-600); }
.toast.warning { border-left-color: var(--warning-700); }
.toast.error { border-left-color: var(--error-700); }
.toast-close { background: transparent; border: none; font-size: var(--text-xl); color: var(--gray-600); cursor: pointer; }

/* === REDISEÑO MODERNO DEL ANALYSIS HUB === */

/* Header modernizado */
.analysis-hub-intro {
    max-width: 640px;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.intro-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    align-self: flex-start;
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--primary-600);
    letter-spacing: 0.05em;
}

.intro-badge i {
    font-size: var(--text-base);
}

.intro-title {
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--gray-900);
    margin: 0;
    line-height: 1.2;
}

.intro-description {
    font-size: var(--text-lg);
    color: var(--gray-600);
    margin: 0;
    line-height: 1.6;
}

/* Navegación moderna con cards */
.analysis-hub-navigation {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.analysis-nav-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: linear-gradient(135deg, #ffffff 0%, rgba(249, 250, 251, 1) 100%);
    border: 2px solid rgba(59, 130, 246, 0.12);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.analysis-nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.analysis-nav-btn:hover {
    transform: translateY(-2px);
    border-color: var(--primary-400);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.15);
}

.analysis-nav-btn:hover::before {
    opacity: 1;
}

.analysis-nav-btn.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(99, 102, 241, 0.06));
    border-color: var(--primary-500);
}

.analysis-nav-btn.active::before {
    opacity: 1;
}

.nav-btn-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(99, 102, 241, 0.08));
    border-radius: var(--radius-lg);
    color: var(--primary-600);
    font-size: var(--text-xl);
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.analysis-nav-btn:hover .nav-btn-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(99, 102, 241, 0.15));
}

.nav-btn-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    text-align: left;
}

.nav-btn-title {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--gray-900);
}

.nav-btn-description {
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.nav-btn-arrow {
    color: var(--primary-500);
    font-size: var(--text-base);
    transition: transform var(--transition-base);
}

.analysis-nav-btn:hover .nav-btn-arrow {
    transform: translateX(4px);
}

.analysis-nav-btn.active .nav-btn-arrow {
    transform: rotate(90deg);
}

/* Panels modernos */
.analysis-panel {
    display: none;
    background: linear-gradient(135deg, #ffffff 0%, rgba(249, 250, 251, 0.8) 100%);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 20px 60px -20px rgba(15, 23, 42, 0.2);
    animation: slideIn 0.3s ease-out;
}

.analysis-panel.show {
    display: block;
}

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

.panel-header-modern {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-6);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.04), rgba(99, 102, 241, 0.02));
    border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.panel-header-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(99, 102, 241, 0.08));
    border-radius: var(--radius-xl);
    color: var(--primary-600);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.panel-header-icon--green {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.12), rgba(76, 175, 80, 0.08));
    color: #4caf50;
}

.panel-header-icon--orange {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.12), rgba(255, 152, 0, 0.08));
    color: #ff9800;
}

.panel-header-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.panel-header-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    align-self: flex-start;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.08));
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--primary-700);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.panel-header-badge--green {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.12), rgba(76, 175, 80, 0.08));
    color: #4caf50;
}

.panel-header-badge--orange {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.12), rgba(255, 152, 0, 0.08));
    color: #ff9800;
}

.panel-header-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 800;
    color: var(--gray-900);
    margin: 0;
}

.panel-header-description {
    font-size: var(--text-base);
    color: var(--gray-600);
    margin: 0;
    max-width: 640px;
    line-height: 1.6;
}

.panel-body-modern {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Bloques de sección */
.section-block {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.section-header {
    padding-bottom: var(--space-3);
    border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.section-title i {
    color: var(--primary-600);
}

/* Grids modernos */
.info-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
}

.metrics-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
}

.top-residues-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.top-metric-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    background: linear-gradient(135deg, #ffffff 0%, rgba(249, 250, 251, 0.8) 100%);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.top-metric-column:hover {
    transform: translateY(-2px);
    border-color: var(--primary-300);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.1);
}

.metric-column-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.metric-column-header i {
    color: var(--primary-600);
    font-size: var(--text-base);
}

.metric-column-header h5 {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.metric-column-hint {
    font-size: var(--text-xs);
    color: var(--gray-600);
    margin: 0;
    line-height: 1.4;
}

.residue-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.residue-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    background: rgba(59, 130, 246, 0.04);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--gray-700);
    font-weight: 500;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.residue-list li:hover {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateX(2px);
}

.residue-list li::before {
    content: '•';
    color: var(--primary-600);
    font-weight: 700;
}

.section-subtitle {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin: var(--space-2) 0 0;
    line-height: 1.5;
}

/* Export grid moderno */
.export-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-5);
}

.export-card-modern {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 2px solid rgba(59, 130, 246, 0.12);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.export-card-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.12);
    border-color: var(--primary-300);
}

.export-card-header-modern {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.04), rgba(99, 102, 241, 0.02));
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.export-card-icon-modern {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(99, 102, 241, 0.08));
    border-radius: var(--radius-lg);
    color: var(--primary-600);
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.export-card-icon-modern--green {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.12), rgba(76, 175, 80, 0.08));
    color: #4caf50;
}

.export-card-icon-modern--purple {
    background: linear-gradient(135deg, rgba(156, 39, 176, 0.12), rgba(156, 39, 176, 0.08));
    color: #9c27b0;
}

.export-card-title-section {
    flex: 1;
}

.export-card-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--space-1) 0;
}

.export-card-subtitle {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin: 0;
}

.export-card-body-modern {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    flex: 1;
}

.form-group-modern {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label-modern {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
}

.form-label-modern i {
    color: var(--primary-600);
    font-size: var(--text-xs);
}

.form-select-modern {
    width: 100%;
    padding: var(--space-3);
    background: #ffffff;
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    color: var(--gray-900);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.form-select-modern:hover {
    border-color: var(--primary-400);
}

.form-select-modern:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-hint-modern {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--gray-500);
}

.form-hint-modern i {
    color: var(--gray-400);
}

.export-card-footer-modern {
    padding: var(--space-4);
    background: rgba(249, 250, 251, 0.8);
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.btn-export-modern {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-export-modern::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-export-modern:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary-modern {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: #ffffff;
}

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.btn-success-modern {
    background: linear-gradient(135deg, #4CAF50, #388E3C);
    color: #ffffff;
}

.btn-success-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(76, 175, 80, 0.3);
}

.btn-accent-modern {
    background: linear-gradient(135deg, #9C27B0, #7B1FA2);
    color: #ffffff;
}

.btn-accent-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(156, 39, 176, 0.3);
}

.btn-export-modern:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-content-modern {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: relative;
    z-index: 1;
}

.btn-loading-modern {
    display: none;
    align-items: center;
    gap: var(--space-2);
    position: relative;
    z-index: 1;
}

/* === RESPONSIVE === */
@media (max-width: 1400px) {
    .dual-view-wrapper {
        grid-template-columns: 1fr;
    }

    .analysis-hub {
        padding: var(--space-6);
    }

    .export-action-card {
        padding: var(--space-4);
        grid-template-columns: 1fr auto;
        gap: var(--space-3);
    }

    .export-action-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .export-action-controls {
        gap: var(--space-2);
    }

    .select-modern {
        min-width: 140px;
    }
}

@media (max-width: 1024px) {
    .analysis-hub-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .analysis-hub-tabs {
        width: 100%;
        justify-content: flex-start;
    }

    .export-action-card {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .export-action-left {
        justify-content: center;
    }

    .export-action-controls {
        align-items: stretch;
    }

    .control-inline {
        width: 100%;
    }

    .select-modern {
        width: 100%;
    }

    .btn-action {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .page-title-text h1 {
        font-size: var(--text-2xl);
    }
    
    .controls-grid {
        grid-template-columns: 1fr;
    }
    
    .analysis-hub {
        padding: var(--space-5) var(--space-4);
    }

    .analysis-toggle-btn {
        width: 100%;
        justify-content: space-between;
    }

    .analysis-hub-tabs {
        gap: var(--space-2);
    }

    .info-grid,
    .metrics-grid,
    .top-residues-grid,
    .export-grid,
    .dipole-grid {
        grid-template-columns: 1fr;
    }

    .export-action-card {
        padding: var(--space-3);
        margin-bottom: var(--space-3);
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .export-action-left {
        gap: var(--space-3);
        justify-content: center;
    }

    .export-action-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    .export-action-title {
        font-size: var(--text-lg);
    }

    .export-action-desc {
        font-size: var(--text-xs);
    }

    .export-action-controls {
        gap: var(--space-2);
    }

    .control-inline {
        width: 100%;
    }

    .control-label-inline {
        font-size: 0.65rem;
    }

    .select-modern {
        padding: var(--space-2);
        font-size: var(--text-xs);
        width: 100%;
    }

    .btn-action {
        width: 100%;
        padding: var(--space-2);
        justify-content: center;
    }

    .quick-start-steps {
        grid-template-columns: 1fr;
    }

    .viewer-info-overlay.top-left {
        top: var(--space-1);
        left: var(--space-1);
        max-width: 250px;
        font-size: var(--text-xs);
        padding: var(--space-1) var(--space-1);
    }

    .legend-item {
        font-size: var(--text-xs);
    }

    .graph-info-panel {
        margin: var(--space-2) var(--space-2) var(--space-2);
        padding: var(--space-3);
        min-height: 60px;
    }

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

    .node-header {
        gap: var(--space-2);
        padding-bottom: var(--space-2);
    }

    .node-icon {
        width: 36px;
        height: 36px;
    }

    .node-title strong {
        font-size: var(--text-sm);
    }

    .metric-chip {
        padding: var(--space-1) var(--space-2);
    }

    .help-tooltip::after {
        width: 160px;
        font-size: var(--text-xs);
    }

    .controls-hint {
        font-size: var(--text-xs);
    }

    .control-hint {
        font-size: var(--text-xs);
    }

 

    .node-info-tooltip {
        max-width: 280px;
        padding: var(--space-2);
        font-size: var(--text-xs);
    }

    .node-info-row {
        padding: var(--space-1) var(--space-2);
    }
}

/* === BUSCADOR DE RESIDUO === */
.residue-search-container {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: nowrap;
    flex: 0 0 auto;
    box-sizing: border-box;
    justify-content: flex-start;
}

.residue-input {
    flex: 0 0 auto;
    width: 70px;
    padding: var(--space-2) var(--space-2);
    font-size: var(--text-sm);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    background: white;
    color: var(--gray-900);
    transition: all var(--transition-base);
    text-align: center;
    font-weight: 600;
}

.residue-input::placeholder {
    color: rgba(107, 114, 128, 0.6);
    font-weight: 500;
}

.residue-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
    background: rgba(255, 255, 255, 1);
}

.residue-separator {
    flex: 0 0 auto;
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--primary-600);
    user-select: none;
    line-height: 1;
}

.residue-search-btn {
    flex: 0 0 auto;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    border: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    white-space: nowrap;
    margin-left: 0;
}

.residue-search-btn:hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

.residue-search-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
}

.graph-visibility-toggle {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.visibility-chip {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(59, 130, 246, 0.18);
    background: rgba(255, 255, 255, 0.92);
    cursor: pointer;
    font-weight: 600;
    color: var(--gray-700);
    transition: all var(--transition-base);
}

.visibility-chip input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.visibility-chip .chip-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    font-size: var(--text-sm);
}

.visibility-chip .chip-text {
    font-size: var(--text-sm);
    letter-spacing: 0.02em;
}

.visibility-chip.is-active {
    border-color: rgba(59, 130, 246, 0.5);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(99, 102, 241, 0.12));
    box-shadow: 0 10px 25px -18px rgba(59, 130, 246, 0.8);
    color: var(--primary-700);
}

.visibility-chip.is-active .chip-icon {
    background: var(--primary-600);
    color: white;
}

.visibility-chip:focus-within {
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

@media (max-width: 1024px) {
    .residue-search-container {
        padding: var(--space-3);
        gap: var(--space-1);
    }

    .residue-input {
        flex: 1 1 60px;
        max-width: 90px;
    }
}

@media (max-width: 640px) {
    .residue-search-container {
        flex-direction: row;
        gap: var(--space-1);
    }

    .residue-search-btn {
        width: 100%;
        justify-content: center;
    }
}