/**
 * Web Checker - Estilos específicos (Versión Moderna)
 * tools.wbz.mx/web-checker
 */

/* ================================
   LAYOUT PRINCIPAL
   ================================ */
.tool-page {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.tool-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.tool-container {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

/* ================================
   FORMULARIO DE ENTRADA
   ================================ */
.input-group {
    position: relative;
    margin-bottom: 2rem;
}

.input-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.input-with-button {
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
}

.domain-input {
    flex: 1;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
}

.domain-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.check-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.option-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    padding: 0.625rem 1rem;
    border-radius: 10px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.option-checkbox:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.option-checkbox:has(input:checked) {
    background: rgba(37, 99, 235, 0.08);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.option-checkbox input {
    accent-color: var(--primary-color);
    width: 18px;
    height: 18px;
}

/* ================================
   BOTONES
   ================================ */
.submit-button {
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #4f46e5 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button:disabled {
    background: #9ca3af;
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

.paste-button {
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.paste-button:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.action-button {
    padding: 0.625rem 1.25rem;
    background: var(--bg-primary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

/* ================================
   MENSAJES DE ERROR
   ================================ */
.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.75rem;
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #fef2f2;
    border-radius: 8px;
    border-left: 3px solid #ef4444;
}

.error-message.visible {
    display: flex;
}

/* ================================
   SECCIÓN DE RESULTADOS
   ================================ */
.results-section {
    margin-top: 3rem;
    display: none;
    animation: fadeInUp 0.5s ease;
}

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

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--bg-tertiary);
}

.results-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.domain-badge {
    background: linear-gradient(135deg, #e0f2fe 0%, #dbeafe 100%);
    color: #0369a1;
    padding: 0.375rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(3, 105, 161, 0.1);
}

.actions-group {
    display: flex;
    gap: 0.75rem;
}

/* ================================
   TABS MODERNOS
   ================================ */
.tabs-container {
    margin-bottom: 1.5rem;
}

.tabs-header {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-secondary);
    padding: 0.375rem;
    border-radius: 14px;
    margin-bottom: 2rem;
}

.tab-button {
    flex: 1;
    padding: 0.875rem 1.25rem;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 10px;
    position: relative;
}

.tab-button:hover {
    color: var(--text-primary);
}

.tab-button.active {
    background: var(--bg-primary);
    color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

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

/* ================================
   TARJETAS DE ESTADO MODERNAS
   ================================ */
.status-card {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.status-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.status-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.status-title {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.status-badge {
    padding: 0.375rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-up {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #047857;
}

.status-down {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #b91c1c;
}

.status-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #b45309;
}

.status-info {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    color: #0369a1;
}

.status-body {
    margin-top: 1rem;
}

.status-body > p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ================================
   GRID DE ESTADÍSTICAS MODERNO
   ================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 14px;
    padding: 1.25rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color) 0%, #8b5cf6 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

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

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary) 0%, #4b5563 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ================================
   SCORE CIRCULAR ANIMADO
   ================================ */
.summary-container {
    margin-top: 2rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.summary-container::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.summary-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Score Circular */
.score-circle-container {
    position: relative;
    width: 100px;
    height: 100px;
    flex-shrink: 0;
}

.score-circle-bg {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 8;
}

.score-circle-progress {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
    transition: stroke-dashoffset 1s ease-out, stroke 0.5s ease;
}

.score-circle-progress.excellent { stroke: url(#gradient-excellent); }
.score-circle-progress.good { stroke: url(#gradient-good); }
.score-circle-progress.moderate { stroke: url(#gradient-moderate); }
.score-circle-progress.poor { stroke: url(#gradient-poor); }

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
}

.score-value span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Fallback para score sin círculo */
.summary-score {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.score-excellent { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.score-good { background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%); }
.score-moderate { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.score-poor { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); }

.summary-info {
    flex: 1;
}

.summary-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

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

.summary-body {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    line-height: 1.7;
}

.summary-body p {
    margin-bottom: 0.75rem;
}

.summary-body strong {
    color: var(--text-primary);
}

/* ================================
   RESULTADOS DE PING
   ================================ */
.ping-results {
    background: #1e293b;
    border-radius: 12px;
    padding: 1.25rem;
    margin-top: 1.5rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    color: #e2e8f0;
    white-space: pre;
    overflow-x: auto;
    max-height: 280px;
    overflow-y: auto;
    line-height: 1.6;
}

.ping-results::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.ping-results::-webkit-scrollbar-track {
    background: #334155;
    border-radius: 4px;
}

.ping-results::-webkit-scrollbar-thumb {
    background: #64748b;
    border-radius: 4px;
}

.ping-chart-container {
    margin-top: 1.5rem;
    height: 250px;
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid var(--border-color);
}

/* ================================
   DIAGNÓSTICOS MODERNOS
   ================================ */
.diagnostics-container {
    margin-top: 1rem;
}

.diagnostics-container > h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.diagnostics-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.diagnostic-item {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.diagnostic-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.diagnostic-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.diagnostic-item.good::before { background: linear-gradient(180deg, #10b981 0%, #059669 100%); }
.diagnostic-item.warning::before { background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%); }
.diagnostic-item.bad::before { background: linear-gradient(180deg, #ef4444 0%, #dc2626 100%); }
.diagnostic-item.info::before { background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%); }

.diagnostic-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.diagnostic-icon.good {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #059669;
}

.diagnostic-icon.warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #d97706;
}

.diagnostic-icon.bad {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #dc2626;
}

.diagnostic-icon.info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #2563eb;
}

.diagnostic-content {
    flex: 1;
    min-width: 0;
}

.diagnostic-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.diagnostic-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ================================
   TRACEROUTE - NUEVO DISEÑO TIMELINE
   ================================ */
.traceroute-container {
    margin-top: 1.5rem;
}

.hop-list {
    margin-top: 1rem;
}

.traceroute-visual {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

/* Métricas compactas */
.trace-metrics {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.trace-metric {
    text-align: center;
}

.trace-metric-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    display: block;
}

.trace-metric-value small {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.trace-metric-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Timeline */
.trace-timeline {
    position: relative;
    padding-left: 2rem;
}

.trace-node {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.875rem 0;
    position: relative;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.trace-node.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Línea conectora vertical */
.trace-line-connector {
    position: absolute;
    left: -1.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.trace-node:first-child .trace-line-connector {
    top: 50%;
}

.trace-node:last-child .trace-line-connector {
    bottom: 50%;
}

/* Punto/Número del nodo */
.trace-dot {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    margin-left: -2.5rem;
    color: white;
    font-weight: 700;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.trace-dot.speed-fast {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.trace-dot.speed-medium {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.trace-dot.speed-slow {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.trace-dot.speed-timeout {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
}

.trace-num {
    font-size: 0.8rem;
    font-weight: 700;
}

/* Nodos especiales (origen/destino) */
.trace-node-origin .trace-dot,
.trace-node-destination .trace-dot {
    background: linear-gradient(135deg, var(--primary-color) 0%, #4f46e5 100%);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    margin-left: -2.625rem;
}

.trace-node-destination .trace-dot {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

/* Contenido del nodo */
.trace-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    min-height: 52px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.trace-node:hover .trace-content {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.trace-main {
    flex: 1;
    min-width: 0;
}

.trace-hostname {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.trace-ip {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

.trace-ip.timeout {
    color: #9ca3af;
    font-style: italic;
    font-family: inherit;
}

.trace-time {
    font-weight: 700;
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    flex-shrink: 0;
    margin-left: 1rem;
}

.trace-time.speed-fast {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.trace-time.speed-medium {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.trace-time.speed-slow {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.trace-time.speed-timeout {
    background: rgba(107, 114, 128, 0.1);
    color: #6b7280;
}

/* Nodos especiales estilos */
.trace-node-origin .trace-content,
.trace-node-destination .trace-content {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.trace-node-origin .trace-hostname,
.trace-node-destination .trace-hostname {
    color: var(--primary-color);
}

.trace-node-destination .trace-content {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
    border: 1px solid rgba(139, 92, 246, 0.1);
}

.trace-node-destination .trace-hostname {
    color: #7c3aed;
}

/* Leyenda simplificada */
.trace-legend {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.trace-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.trace-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
}

.trace-legend-dot.fast { background: #10b981; }
.trace-legend-dot.medium { background: #f59e0b; }
.trace-legend-dot.slow { background: #ef4444; }

/* ================================
   SSL MODERNO
   ================================ */
.ssl-container {
    margin-top: 1rem;
}

.ssl-info {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 1.75rem;
    border: 1px solid var(--border-color);
}

.ssl-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.ssl-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.ssl-icon.valid {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #059669;
}

.ssl-icon.invalid {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #dc2626;
}

.ssl-icon.warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #d97706;
}

.ssl-title {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.ssl-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.ssl-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ssl-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.ssl-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* ================================
   LOADER MODERNO
   ================================ */
.loader-container {
    display: none;
    margin: 3rem 0;
    text-align: center;
}

.loader-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.loader-progress {
    margin: 0 auto;
    max-width: 400px;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, #8b5cf6 50%, var(--primary-color) 100%);
    background-size: 200% 100%;
    width: 0%;
    transition: width 0.3s ease;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: 3px;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.checking-steps {
    margin-top: 2rem;
    text-align: left;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.check-step {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-radius: 10px;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.check-step.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.08);
}

.check-step.done {
    color: var(--secondary-color);
    background: rgba(16, 185, 129, 0.08);
}

.step-icon {
    width: 28px;
    margin-right: 0.75rem;
    text-align: center;
}

.step-text {
    font-size: 0.9rem;
    font-weight: 500;
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 768px) {
    .tool-header h1 {
        font-size: 2rem;
    }

    .tool-container {
        padding: 1.5rem;
        border-radius: 16px;
    }

    .input-with-button {
        flex-direction: column;
    }

    .paste-button {
        width: 100%;
        justify-content: center;
    }

    .tabs-header {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        gap: 0.25rem;
    }

    .tab-button {
        padding: 0.75rem 1rem;
        font-size: 0.8rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    /* Traceroute responsive */
    .trace-metrics {
        gap: 1rem;
    }

    .trace-metric-value {
        font-size: 1.5rem;
    }

    .trace-hostname {
        font-size: 0.875rem;
    }

    .trace-time {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
    }

    .trace-legend {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .summary-header {
        flex-direction: column;
        text-align: center;
    }

    .score-circle-container {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    /* Traceroute móvil */
    .trace-metrics {
        flex-direction: column;
        gap: 0.75rem;
    }

    .trace-metric {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .trace-metric:last-child {
        border-bottom: none;
    }

    .trace-metric-value {
        font-size: 1.25rem;
    }

    .trace-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .trace-time {
        margin-left: 0;
    }

    .trace-timeline {
        padding-left: 1.5rem;
    }

    .trace-dot {
        width: 32px;
        height: 32px;
        margin-left: -2rem;
    }

    .trace-node-origin .trace-dot,
    .trace-node-destination .trace-dot {
        width: 36px;
        height: 36px;
        margin-left: -2.125rem;
    }
}