/* index.css - Diseño Premium Glassmorphism en Modo Oscuro */

:root {
    --bg-main: #0b0c10;
    --bg-panel: rgba(21, 23, 30, 0.75);
    --bg-card: rgba(30, 34, 45, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(0, 180, 216, 0.4);
    
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    
    --color-2001: #00b4d8;
    --color-2001-glow: rgba(0, 180, 216, 0.2);
    --color-2019: #ff007f;
    --color-2019-glow: rgba(255, 0, 127, 0.2);
    
    --color-safe: #2ec4b6;
    --color-warning: #ffb703;
    --color-damage: #e63946;
    --color-collapse: #111111;
    
    --sidebar-width: 380px;
    --header-height: 70px;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

/* APP CONTAINER */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
}

/* HEADER */
.app-header {
    height: var(--header-height);
    background: rgba(15, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    z-index: 100;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    color: var(--color-2019);
    filter: drop-shadow(0 0 8px rgba(255, 0, 127, 0.5));
}

.logo-text h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(90deg, #fff, var(--color-2001), var(--color-2019));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 11px;
    color: var(--text-muted);
}

.header-badges {
    display: flex;
    gap: 10px;
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge-covenin-2001 {
    background: rgba(0, 180, 216, 0.15);
    color: var(--color-2001);
    border-color: rgba(0, 180, 216, 0.3);
}

.badge-badge-covenin-2019, .badge-covenin-2019 {
    background: rgba(255, 0, 127, 0.15);
    color: var(--color-2019);
    border-color: rgba(255, 0, 127, 0.3);
}

/* MAIN LAYOUT */
.main-layout {
    display: flex;
    flex: 1;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

/* SIDEBAR CONTROLS */
.control-panel {
    width: var(--sidebar-width);
    background: var(--bg-panel);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.control-panel::-webkit-scrollbar {
    width: 6px;
}
.control-panel::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 3px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    margin-bottom: 5px;
}

.section-title i {
    font-size: 16px;
    color: var(--text-muted);
}

.section-title h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #e2e8f0;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.control-group-row {
    display: flex;
    gap: 12px;
}

.control-group-half {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.control-group label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    justify-content: space-between;
}

.control-group label span {
    color: #fff;
    font-weight: 600;
}

/* RANGE INPUTS */
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    outline: none;
    margin: 8px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
    transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* SELECTS */
select {
    width: 100%;
    background: rgba(30, 34, 45, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 8px 12px;
    outline: none;
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px var(--color-2001-glow);
}

/* ACCORDIONS / CONTAINER THEMES */
.accordion-section {
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.2s ease;
}

.covenin-2001-theme {
    border-left: 3px solid var(--color-2001);
}
.covenin-2001-theme:focus-within {
    background: rgba(0, 180, 216, 0.03);
    border-color: rgba(0, 180, 216, 0.2);
}

.covenin-2019-theme {
    border-left: 3px solid var(--color-2019);
}
.covenin-2019-theme:focus-within {
    background: rgba(255, 0, 127, 0.03);
    border-color: rgba(255, 0, 127, 0.2);
}

.advanced-theme {
    border-left: 3px solid var(--color-safe);
}
.advanced-theme:focus-within {
    background: rgba(46, 196, 182, 0.03);
    border-color: rgba(46, 196, 182, 0.2);
}


/* CHECKBOX */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 4px 0;
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-2019);
    cursor: pointer;
}

.checkbox-group label {
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 500;
}

/* MAGNITUDE BOXES */
.seismic-m-details {
    display: flex;
    gap: 10px;
}

.m-box {
    flex: 1;
    background: rgba(30, 34, 45, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.m-title {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.m-val {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-2001);
}

.m-val.text-red {
    color: var(--color-2019);
}

/* BUTTONS */
.btn {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: none;
    font-family: 'Outfit', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-2001), var(--color-2019));
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 0, 127, 0.2);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 0, 127, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
}

.btn-danger {
    background: rgba(230, 57, 70, 0.2);
    color: #ff6b6b;
    border: 1px solid rgba(230, 57, 70, 0.4);
}

.btn-danger:hover:not(:disabled) {
    background: rgba(230, 57, 70, 0.35);
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.btn-group {
    display: flex;
    gap: 10px;
}

/* CONTENT AREA */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #0d0e12;
    overflow: hidden;
}

/* TABS HEADER */
.tabs-header {
    height: 50px;
    background: rgba(18, 20, 27, 0.9);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    padding: 0 16px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: 'Outfit', sans-serif;
    font-size: 13px;
    font-weight: 500;
    padding: 0 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    transition: color 0.2s;
}

.tab-btn:hover {
    color: #fff;
}

.tab-btn.active {
    color: #fff;
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 15px;
    right: 15px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-2001), var(--color-2019));
    border-radius: 3px 3px 0 0;
    box-shadow: 0 0 10px rgba(255, 0, 127, 0.8);
}

/* TAB CONTENT CONTAINER */
.tab-content-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.tab-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
}

.tab-content.active {
    opacity: 1;
    pointer-events: auto;
}

/* 3D VIEWPORT */
#canvas-3d-container {
    flex: 1;
    width: 100%;
    position: relative;
    background: radial-gradient(circle at center, #181c26 0%, #090a0f 100%);
}

.threejs-legend {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(15, 17, 23, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 12px;
}

.legend-title {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.legend-items {
    display: flex;
    gap: 14px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
}

.color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.color-dot.safe { background-color: var(--color-safe); box-shadow: 0 0 6px var(--color-safe); }
.color-dot.warning { background-color: var(--color-warning); box-shadow: 0 0 6px var(--color-warning); }
.color-dot.damage { background-color: var(--color-damage); box-shadow: 0 0 6px var(--color-damage); }
.color-dot.collapse { background-color: #333; border: 1px solid #666; }

.side-by-side-labels {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 10;
    display: flex;
    gap: 16px;
}

.label-box {
    padding: 8px 16px;
    border-radius: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.label-2001 {
    background: rgba(0, 180, 216, 0.15);
    color: var(--color-2001);
    border-color: rgba(0, 180, 216, 0.3);
}

.label-2019 {
    background: rgba(255, 0, 127, 0.15);
    color: var(--color-2019);
    border-color: rgba(255, 0, 127, 0.3);
}

/* SPECTRA TAB STYLE */
.spectra-info {
    padding: 24px 24px 10px 24px;
}

.spectra-info h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    margin-bottom: 6px;
}

.spectra-info p {
    color: var(--text-muted);
    max-width: 800px;
}

.chart-wrapper {
    flex: 1;
    padding: 10px 24px 24px 24px;
    position: relative;
    width: 100%;
    min-height: 300px;
}

/* RESPONSE PLOTS GRID */
.grid-charts {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1.2fr;
    gap: 16px;
    padding: 16px;
    overflow-y: auto;
}

.chart-container-half {
    background: rgba(20, 22, 29, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
}

.chart-container-full {
    grid-column: span 2;
    background: rgba(20, 22, 29, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
}

.chart-container-half h4, .chart-container-full h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.chart-wrapper-small {
    flex: 1;
    position: relative;
    width: 100%;
    min-height: 120px;
}

.grid-hysteresis {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    flex: 1;
}

.hyst-label {
    position: absolute;
    top: 4px;
    right: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.4);
}

.font-2001 { color: var(--color-2001); }
.font-2019 { color: var(--color-2019); }

/* METRICS BOARD */
.metrics-board {
    height: 100px;
    background: rgba(15, 17, 23, 0.95);
    border-top: 1px solid var(--border-color);
    display: flex;
    padding: 12px 24px;
    gap: 20px;
    z-index: 10;
}

.metric-card {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.time-card {
    border-left: 3px solid #fff;
}

.building-card-2001 {
    border-left: 3px solid var(--color-2001);
}

.building-card-2019 {
    border-left: 3px solid var(--color-2019);
}

.metric-header {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.metric-header .bullet {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.bullet.font-2001 { background-color: var(--color-2001); }
.bullet.font-2019 { background-color: var(--color-2019); }

.metric-value {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-top: 2px;
}

.metric-value .unit {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 400;
}

.metric-footer {
    font-size: 10px;
    color: var(--text-muted);
}

.text-green { color: var(--color-safe); }
.text-yellow { color: var(--color-warning); }
.text-red { color: var(--color-damage); }

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    margin-top: 2px;
}

.m-label {
    color: var(--text-muted);
}

.m-value {
    font-weight: 600;
}

.metric-status {
    align-self: flex-start;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 1px 6px;
    border-radius: 4px;
    margin-top: 4px;
    background: rgba(46, 196, 182, 0.15);
    color: var(--color-safe);
}

.metric-status.status-warning {
    background: rgba(255, 183, 3, 0.15);
    color: var(--color-warning);
}

.metric-status.status-danger {
    background: rgba(230, 57, 70, 0.15);
    color: var(--color-damage);
    animation: pulse 1s infinite alternate;
}

.metric-status.status-collapsed {
    background: rgba(0, 0, 0, 0.8);
    color: #94a3b8;
    border: 1px solid #475569;
}

@keyframes pulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

/* SECCIÓN DE AUTOR */
.author-card {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-icon {
    font-size: 20px;
    color: var(--color-2001);
    background: rgba(0, 180, 216, 0.1);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(0, 180, 216, 0.2);
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-label {
    font-size: 9px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.author-name {
    font-size: 12px;
    font-weight: 600;
    color: #fff;
}

.author-school {
    font-size: 11px;
    color: var(--color-2019);
    font-weight: 500;
}

/* TECHNICAL INFO & DISCLAIMER TAB STYLES */
.tab-info-container {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.tab-info-container::-webkit-scrollbar {
    width: 6px;
}
.tab-info-container::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 3px;
}

.disclaimer-alert {
    background: rgba(230, 57, 70, 0.08);
    border: 1px solid rgba(230, 57, 70, 0.25);
    border-left: 4px solid var(--color-damage);
    padding: 16px;
    border-radius: 8px;
    color: #f8fafc;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.disclaimer-alert i {
    font-size: 24px;
    color: var(--color-damage);
    margin-top: 2px;
}

.disclaimer-alert h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-damage);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.disclaimer-alert p {
    font-size: 12.5px;
    line-height: 1.5;
    color: #cbd5e1;
}

.info-section {
    background: rgba(30, 34, 45, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.info-section h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    color: var(--color-2001);
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
}

.norm-card-info {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 16px;
}

.norm-card-info.norm-2001 {
    border-left: 3px solid var(--color-2001);
}

.norm-card-info.norm-2019 {
    border-left: 3px solid var(--color-2019);
}

.norm-card-info h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.norm-card-info.norm-2001 h4 { color: var(--color-2001); }
.norm-card-info.norm-2019 h4 { color: var(--color-2019); }

.norm-card-info ul {
    padding-left: 20px;
    font-size: 12px;
    color: var(--text-muted);
}

.norm-card-info li {
    margin-bottom: 6px;
    line-height: 1.45;
}

.simplifications-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.simplification-item {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 12px 16px;
    display: flex;
    gap: 12px;
}

.simplification-item i {
    color: var(--color-2001);
    font-size: 15px;
    margin-top: 3px;
}

.simplification-content h5 {
    font-size: 13px;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 4px;
}

.simplification-content p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.45;
}

/* CUSTOM TOOLTIP STYLES */
.help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    border-radius: 50%;
    font-size: 9px;
    font-weight: 700;
    cursor: help;
    margin-left: 6px;
    position: relative;
    vertical-align: middle;
    transition: background 0.2s, color 0.2s;
}

.help-icon:hover {
    background: var(--color-2001);
    color: #fff;
}

/* Tooltip floating card */
.help-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 130%;
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    color: #f1f5f9;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 400;
    width: 220px;
    white-space: normal;
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    line-height: 1.4;
    text-align: left;
}

.help-icon:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* REAL-TIME CALCULATION REPORT STYLES */
.calc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
    margin-top: 8px;
    background: rgba(30, 34, 45, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.calc-table th {
    background: rgba(15, 23, 42, 0.5);
    color: var(--color-2001);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
}

.calc-table td {
    padding: 10px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: #e2e8f0;
}

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

.calc-table .calc-param-name {
    font-weight: 500;
    color: var(--text-muted);
}

.calc-table .calc-symbol {
    font-family: 'Outfit', monospace;
    color: var(--color-2019);
    font-weight: 600;
}

.calc-table .calc-value {
    text-align: right;
    font-weight: 600;
    color: #fff;
    padding-right: 6px;
}

.calc-table .calc-unit {
    color: var(--text-muted);
    font-size: 11px;
    text-align: left;
    width: 60px;
}

.calc-sections-disabled-msg {
    padding: 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.01);
    border: 1px dashed rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 12.5px;
    line-height: 1.5;
}

.calc-table .calc-formula {
    color: #94a3b8;
    font-size: 11px;
    font-family: Cambria, Georgia, serif;
    font-style: italic;
    opacity: 0.85;
}

/* --- NATIVE RESPONSIVE MOBILE VIEW SUPPORT --- */
.mobile-only {
    display: none !important;
}

.mobile-floating-controls {
    display: none !important;
}

@media (max-width: 768px) {
    .mobile-only {
        display: flex !important;
    }
    
    .header-badges {
        display: none !important;
    }
    
    /* Header adaptado */
    .app-header {
        height: calc(60px + env(safe-area-inset-top, 0px)) !important;
        padding-top: env(safe-area-inset-top, 0px) !important;
        padding-left: calc(12px + env(safe-area-inset-left, 0px)) !important;
        padding-right: calc(12px + env(safe-area-inset-right, 0px)) !important;
    }
    .logo-text h1 {
        font-size: 15px !important;
    }
    .logo-text p {
        font-size: 9px !important;
    }
    .logo-icon {
        font-size: 20px !important;
    }
    
    /* Layout principal */
    .main-layout {
        flex-direction: column !important;
        height: calc(100vh - 60px - env(safe-area-inset-top, 0px)) !important;
        height: calc(100dvh - 60px - env(safe-area-inset-top, 0px)) !important;
        position: relative !important;
        overflow: hidden !important;
    }
    
    /* Panel de control como pestaña en móviles */
    .control-panel {
        opacity: 0 !important;
        pointer-events: none !important;
        width: 100% !important;
        position: absolute !important;
        top: 45px !important; /* Debajo de los tabs */
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        z-index: 95 !important;
        background: #090a0f !important;
        padding: 15px !important;
        padding-left: calc(15px + env(safe-area-inset-left, 0px)) !important;
        padding-right: calc(15px + env(safe-area-inset-right, 0px)) !important;
        padding-bottom: calc(30px + env(safe-area-inset-bottom, 0px)) !important;
        height: calc(100% - 45px) !important;
        overflow-y: auto !important;
        border-right: none !important;
        transition: opacity 0.3s ease !important;
        display: flex !important; /* Mantiene la flexibilidad de elementos internos */
        flex-direction: column !important;
    }
    
    .control-panel.active {
        opacity: 1 !important;
        pointer-events: auto !important;
        display: flex !important;
    }
    
    /* Área de contenido */
    .content-area {
        width: 100% !important;
        height: 100% !important;
        flex: 1 !important;
        position: relative !important;
    }
    
    /* Barra de navegación de pestañas con scroll horizontal táctil */
    .tabs-header {
        height: 45px !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        flex-wrap: nowrap !important;
        scrollbar-width: none !important; /* Firefox */
        -ms-overflow-style: none !important; /* IE 10+ */
        padding: 0 8px !important;
        display: flex !important;
    }
    .tabs-header::-webkit-scrollbar {
        display: none !important; /* Chrome, Safari, Opera */
    }
    .tab-btn {
        flex-shrink: 0 !important;
        padding: 0 14px !important;
        font-size: 12px !important;
        height: 45px !important;
    }
    
    /* Pestaña de 3D */
    #tab-3d {
        flex: 1 !important;
        display: none;
        height: calc(100% - 45px) !important;
        position: relative !important;
    }
    #tab-3d.active {
        display: flex !important;
        flex-direction: column !important;
    }
    
    /* Contenedor canvas 3D adaptado */
    #canvas-3d-container {
        flex: 1 !important;
        height: 100% !important;
        min-height: 200px !important;
    }
    
    /* Panel de métricas deslizable horizontalmente */
    .metrics-board {
        height: calc(125px + env(safe-area-inset-bottom, 0px)) !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        padding: 10px 12px !important;
        padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px)) !important;
        padding-left: calc(12px + env(safe-area-inset-left, 0px)) !important;
        padding-right: calc(12px + env(safe-area-inset-right, 0px)) !important;
        gap: 12px !important;
        scrollbar-width: none !important;
        background: rgba(9, 10, 15, 0.96) !important;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        display: flex !important;
    }
    .metrics-board::-webkit-scrollbar {
        display: none !important;
    }
    .metric-card {
        flex: 0 0 250px !important;
        height: 105px !important;
        padding: 10px 14px !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
    }
    .metric-row {
        margin: 0 !important;
        display: flex !important;
        justify-content: space-between !important;
    }
    
    /* Botones de control flotantes para móviles */
    .mobile-floating-controls {
        display: flex !important;
        position: absolute !important;
        bottom: calc(120px + env(safe-area-inset-bottom, 0px)) !important; /* Por encima de las métricas */
        right: calc(16px + env(safe-area-inset-right, 0px)) !important;
        z-index: 1000 !important;
        gap: 10px !important;
    }
    
    .btn-round {
        width: 46px !important;
        height: 46px !important;
        border-radius: 50% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 0 !important;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6) !important;
        border: 1px solid rgba(255, 255, 255, 0.15) !important;
        transition: transform 0.2s, box-shadow 0.2s, background 0.2s !important;
    }
    .btn-round:active {
        transform: scale(0.9) !important;
    }
    .btn-round i {
        font-size: 16px !important;
    }
    
    #mobile-btn-run {
        background: linear-gradient(135deg, var(--color-2001), #0077b6) !important;
        box-shadow: 0 0 15px rgba(0, 180, 216, 0.3), 0 6px 20px rgba(0, 0, 0, 0.6) !important;
    }
    #mobile-btn-run.btn-danger {
        background: linear-gradient(135deg, var(--color-damage), #b7091e) !important;
        box-shadow: 0 0 15px rgba(230, 57, 70, 0.3), 0 6px 20px rgba(0, 0, 0, 0.6) !important;
    }
    #mobile-btn-pause {
        background: rgba(30, 41, 59, 0.8) !important;
    }
    #mobile-btn-reset {
        background: rgba(30, 41, 59, 0.6) !important;
        border-color: rgba(230, 57, 70, 0.3) !important;
    }
    #mobile-btn-reset:not([disabled]):active {
        background: var(--color-damage) !important;
    }
    
    /* Gráficos de respuesta a 1 columna */
    .grid-charts {
        grid-template-columns: 1fr !important;
        grid-template-rows: auto !important;
        gap: 12px !important;
        padding: 12px !important;
        overflow-y: auto !important;
        height: calc(100% - 45px) !important;
    }
    .chart-container-full {
        grid-column: span 1 !important;
    }
    .grid-hysteresis {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    /* Ajustes generales de pestañas */
    .tab-content {
        padding: 12px !important;
        padding-left: calc(12px + env(safe-area-inset-left, 0px)) !important;
        padding-right: calc(12px + env(safe-area-inset-right, 0px)) !important;
        padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px)) !important;
        overflow-y: auto !important;
        height: calc(100% - 45px) !important;
    }

    /* Evitar solapamiento de leyendas y etiquetas en móvil */
    .threejs-legend {
        top: auto !important;
        bottom: 12px !important;
        left: 12px !important;
        right: auto !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 6px !important;
        padding: 8px 10px !important;
    }
    .legend-title {
        font-size: 10px !important;
        margin-bottom: 2px !important;
    }
    .legend-items {
        flex-direction: column !important;
        gap: 4px !important;
    }
    .legend-item {
        font-size: 10px !important;
        gap: 4px !important;
    }
    
    .side-by-side-labels {
        top: 10px !important;
        left: 10px !important;
        right: 10px !important;
        justify-content: space-between !important;
        gap: 6px !important;
    }
    .label-box {
        padding: 4px 8px !important;
        font-size: 10px !important;
        flex: 1 !important;
        text-align: center !important;
    }

    /* Memoria de cálculo responsive (evitar zonas defasadas o tablas estrujadas) */
    .calc-table {
        display: block !important;
        width: 100% !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
    .calc-table th, .calc-table td {
        white-space: nowrap !important;
    }
    .grid-columns-report {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
}

/* --- DETALLES DE COLUMNA SELECCIONADA EN 3D --- */
.column-info-card {
    position: absolute;
    top: 85px;
    left: 16px;
    width: 230px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    z-index: 100;
    color: #fff;
    font-family: 'Outfit', sans-serif;
    font-size: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    transition: opacity 0.2s ease;
}

.column-info-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 6px;
    margin-bottom: 8px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 10.5px;
    letter-spacing: 0.5px;
    color: var(--color-2019);
}

.column-info-card .close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}
.column-info-card .close-btn:hover {
    color: #fff;
}

.column-info-card .info-row {
    display: flex;
    justify-content: space-between;
    margin: 5px 0;
}

.column-info-card .info-lbl {
    color: var(--text-muted);
}

.column-info-card .info-val {
    font-weight: 600;
}

/* Ajustes de tarjeta en móvil */
@media (max-width: 768px) {
    .column-info-card {
        top: calc(70px + env(safe-area-inset-top, 0px)) !important;
        left: calc(12px + env(safe-area-inset-left, 0px)) !important;
        width: calc(100% - 24px - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)) !important;
        max-width: 250px !important;
        padding: 8px 10px !important;
        font-size: 11px !important;
    }
}

/* --- TARJETAS DE SISMOS RECIENTES (USGS / FUNVISIS) --- */
.sismos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.sismo-card {
    background: rgba(30, 41, 59, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.sismo-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(30, 41, 59, 0.45);
}

.sismo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.sismo-mag-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 13.5px;
}

.mag-low {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.mag-medium {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.mag-high {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.sismo-time {
    font-size: 11px;
    color: var(--text-muted);
}

.sismo-body {
    font-size: 12.5px;
    margin-bottom: 14px;
    line-height: 1.45;
}

.sismo-place {
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
    font-size: 13px;
}

.sismo-detail {
    display: flex;
    justify-content: space-between;
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 4px;
}

.sismo-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 10px;
    display: flex;
    justify-content: flex-end;
}

.sismo-link {
    font-size: 11px;
    color: var(--color-2001);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.15s ease;
}

.sismo-link:hover {
    color: #fff;
}

/* --- ESTILOS DE IMPRESIÓN PARA EXPORTAR A PDF --- */
@media print {
    /* Forzar redefinición de variables para impresión en alto contraste (blanco y negro) */
    :root {
        --bg-main: #ffffff !important;
        --text-primary: #000000 !important;
        --text-muted: #475569 !important;
        --color-2001: #0369a1 !important;
        --color-2019: #be185d !important;
        --color-safe: #15803d !important;
        --color-warning: #b45309 !important;
        --color-damage: #b91c1c !important;
        --border-color: #cbd5e1 !important;
    }

    /* Quitar overflow hidden y alturas fijadas de los elementos contenedores de la app */
    html, body {
        background: #ffffff !important;
        color: #000000 !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
        font-size: 11pt !important;
    }

    .app-container,
    .main-layout,
    .content-area,
    .tab-content-container {
        position: static !important;
        display: block !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
        background: #ffffff !important;
        color: #000000 !important;
        border: none !important;
        box-shadow: none !important;
    }

    /* Forzar que la pestaña de memoria de cálculo sea visible y ocupe el flujo natural del documento */
    .tab-content {
        position: static !important;
        display: none !important;
        opacity: 0 !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
    }

    .tab-content#tab-calc {
        display: block !important;
        opacity: 1 !important;
        pointer-events: auto !important;
        background: #ffffff !important;
        color: #000000 !important;
    }

    .tab-info-container {
        position: static !important;
        display: block !important;
        overflow: visible !important;
        height: auto !important;
        min-height: auto !important;
        padding: 0 !important;
        background: #ffffff !important;
        color: #000000 !important;
    }

    /* Ocultar interfaz interactiva y elementos innecesarios */
    .app-header,
    .control-panel,
    .tabs-header,
    .metrics-board,
    .mobile-floating-controls,
    .column-info-card,
    #canvas-3d-container,
    .threejs-legend,
    .side-by-side-labels,
    #spectra-chart,
    #accel-chart,
    #disp-chart,
    #hysteresis-2001-chart,
    #hysteresis-2019-chart,
    .calc-actions,
    #btn-refresh-sismos,
    .sismos-actions {
        display: none !important;
    }

    .info-section {
        display: block !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        border: none !important;
    }

    #calculation-report {
        display: block !important;
        width: 100% !important;
        background: #ffffff !important;
        color: #000000 !important;
    }

    /* Cabecera de impresión */
    .print-header {
        display: block !important;
        margin-bottom: 30px !important;
        text-align: center !important;
    }
    .print-header h2 {
        font-family: 'Outfit', sans-serif !important;
        font-weight: 800 !important;
        color: #000000 !important;
        font-size: 16pt !important;
    }

    /* Estilos profesionales de tablas impresas */
    .calc-table {
        width: 100% !important;
        border-collapse: collapse !important;
        margin-top: 15px !important;
        margin-bottom: 25px !important;
        background: #ffffff !important;
        color: #000000 !important;
        border: 1px solid #cbd5e1 !important;
        page-break-inside: avoid !important;
    }

    .calc-table th {
        background-color: #f1f5f9 !important;
        color: #0f172a !important;
        border-bottom: 2px solid #94a3b8 !important;
        padding: 8px 10px !important;
        font-weight: bold !important;
        font-size: 9.5pt !important;
        text-align: left !important;
        text-transform: uppercase !important;
        letter-spacing: 0.5px !important;
    }

    .calc-table td {
        border-bottom: 1px solid #e2e8f0 !important;
        padding: 8px 10px !important;
        color: #334155 !important;
        font-size: 9pt !important;
    }

    .calc-table tr {
        page-break-inside: avoid !important;
    }

    .calc-table .calc-param-name {
        font-weight: 500 !important;
        color: #0f172a !important;
    }

    .calc-table .calc-formula {
        color: #475569 !important;
        font-family: Cambria, Georgia, serif !important;
        font-style: italic !important;
    }

    .calc-table .calc-symbol {
        font-weight: bold !important;
        color: #0f172a !important;
    }

    .calc-table .calc-value {
        font-weight: 700 !important;
        color: #000000 !important;
    }

    .calc-table .calc-unit {
        color: #64748b !important;
    }

    /* Títulos de las secciones */
    h3, h4, h5 {
        color: #0f172a !important;
        font-family: 'Outfit', sans-serif !important;
        page-break-after: avoid !important;
    }

    h3 {
        font-size: 16pt !important;
        border-bottom: 2px solid #0f172a !important;
        padding-bottom: 4px !important;
        margin-top: 0 !important;
        margin-bottom: 15px !important;
        display: flex !important;
        align-items: center !important;
        gap: 8px !important;
    }

    h3 i {
        display: none !important; /* Ocultar íconos fontawesome en impresión */
    }

    h4 {
        font-size: 12pt !important;
        margin-top: 25px !important;
        margin-bottom: 10px !important;
        border-bottom: 1.5px solid #cbd5e1 !important;
        padding-bottom: 4px !important;
    }
    
    h4 i {
        display: none !important;
    }

    h5 {
        font-size: 10.5pt !important;
        margin-top: 15px !important;
        margin-bottom: 8px !important;
        color: #1e293b !important;
    }

    h5 i {
        display: none !important;
    }

    /* Ajuste de reporte de columnas a 2 columnas en impresión */
    .grid-columns-report {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 20px !important;
        width: 100% !important;
    }
    
    /* Nota descriptiva del reporte */
    p {
        color: #334155 !important;
        font-size: 9.5pt !important;
        line-height: 1.5 !important;
        margin-bottom: 12px !important;
    }
    
    strong {
        color: #000000 !important;
    }
}