:root {
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colores tema oscuro (predeterminado) */
  --bg-page: #0b0f17;
  --bg-card: #111827;
  --bg-card-hover: #1f2937;
  --bg-subtle: #1e293b;
  --bg-chassis: #0d121d;
  --key-bg: #1e2533;
  --key-border: #334155;
  --key-text: #f1f5f9;
  --key-subtext: #94a3b8;
  --key-shadow: rgba(0, 0, 0, 0.45);

  --key-active-bg: #2563eb;
  --key-active-border: #60a5fa;
  --key-active-glow: rgba(37, 99, 235, 0.6);
  --key-tested-bg: #064e3b;
  --key-tested-border: #10b981;
  --key-tested-text: #ecfdf5;

  --accent-primary: #3b82f6;
  --accent-hover: #2563eb;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border-subtle: #1e293b;
  --border-card: #334155;

  --key-unit: 44px;
  --key-gap: 5px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

[data-theme="light"] {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-subtle: #f1f5f9;
  --bg-chassis: #e2e8f0;
  --key-bg: #ffffff;
  --key-border: #cbd5e1;
  --key-text: #0f172a;
  --key-subtext: #64748b;
  --key-shadow: rgba(0, 0, 0, 0.12);

  --key-active-bg: #2563eb;
  --key-active-border: #1d4ed8;
  --key-active-glow: rgba(37, 99, 235, 0.35);
  --key-tested-bg: #dcfce7;
  --key-tested-border: #10b981;
  --key-tested-text: #065f46;

  --accent-primary: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --border-subtle: #e2e8f0;
  --border-card: #cbd5e1;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  color: var(--text-main);
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6,
.brand-title,
.card-title,
.seo-guide-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.mono, code, kbd {
  font-family: var(--font-mono);
}

/* Layout canónico */
.tool-layout {
  max-width: 1240px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  box-sizing: border-box;
  flex: 1 0 auto;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  width: 100%;
}

/* Tarjeta principal */
.card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
  margin-bottom: 2.5rem;
}

.card-header {
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.6rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.card-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 900px;
}

/* Barra de captura y controles */
.keyboard-capture-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.capture-status-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.status-dot.pulsing {
  animation: pulse-dot 2s infinite ease-in-out;
}

.status-dot.paused {
  background: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
  animation: none;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.capture-controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.btn-toggle-capture,
.btn-action-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-main);
  transition: all 0.15s ease;
}

.btn-toggle-capture:hover,
.btn-action-icon:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.sound-control-box {
  display: inline-flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.4rem;
  gap: 0.35rem;
}

.btn-sound-toggle {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0.25rem;
  border-radius: 4px;
}

.btn-sound-toggle:hover {
  color: var(--accent-primary);
}

.select-switch-inline {
  background: transparent;
  border: none;
  font-size: 0.82rem;
  color: var(--text-main);
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  padding: 0.25rem 0.25rem;
  outline: none;
}

.select-switch-inline option {
  background: var(--bg-card);
  color: var(--text-main);
}

/* Selector de disposición y formato */
.layout-selector-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.selector-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.selector-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.segmented-control {
  display: inline-flex;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.btn-seg {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-seg:hover {
  color: var(--text-main);
}

.btn-seg.active {
  background: var(--bg-card);
  color: var(--accent-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* KPI bar de resumen */
.stats-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.5rem;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.stat-val-group {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.stat-val {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

.stat-val.stat-accent {
  color: var(--accent-primary);
}

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

.stat-unit {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stat-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
  margin-left: auto;
}

.stat-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-muted);
  margin-left: auto;
}

.stat-badge.badge-nkro {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border-color: var(--accent-emerald);
}

.stat-badge.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border-color: var(--accent-amber);
}

.progress-bar-track {
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-emerald));
  transition: width 0.25s ease;
}

.stat-detail {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.text-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Marco del teclado virtual */
.keyboard-viewport-container {
  position: relative;
  width: 100%;
  background: var(--bg-chassis);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  overflow-x: auto;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.35);
  margin-bottom: 1rem;
}

.keyboard-scroll-hint {
  display: none;
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 0.5rem;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

@media (max-width: 1024px) {
  .keyboard-scroll-hint {
    display: flex;
  }
}

.keyboard-outer-frame {
  min-width: 980px;
  width: max-content;
  margin: 0 auto;
}

.keyboard-board {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

/* Secciones del teclado */
.kb-section {
  display: flex;
  flex-direction: column;
  gap: var(--key-gap);
}

.kb-row {
  display: flex;
  gap: var(--key-gap);
  align-items: stretch;
}

/* Separadores de fila de teclas de función (F1-F12) */
.kb-f-gap {
  width: 14px;
}

/* Estilo de tecla individual (Keycap) */
.key {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: var(--key-unit);
  height: var(--key-unit);
  background: var(--key-bg);
  color: var(--key-text);
  border: 1px solid var(--key-border);
  border-radius: 5px;
  padding: 3px 5px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: transform 0.05s ease, background-color 0.1s ease, border-color 0.1s ease, box-shadow 0.1s ease;
  box-shadow: 0 3px 0 var(--key-shadow), 0 4px 6px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.key:hover {
  filter: brightness(1.15);
}

.key.key-down {
  background: var(--key-active-bg) !important;
  color: #ffffff !important;
  border-color: var(--key-active-border) !important;
  transform: translateY(3px);
  box-shadow: 0 0 0 transparent, 0 0 12px var(--key-active-glow) !important;
}

.key.key-tested {
  background: var(--key-tested-bg);
  border-color: var(--key-tested-border);
  color: var(--key-tested-text);
  box-shadow: 0 3px 0 rgba(16, 185, 129, 0.35), 0 3px 6px rgba(0, 0, 0, 0.25);
}

.key.key-tested.key-down {
  background: var(--key-active-bg) !important;
  border-color: var(--key-active-border) !important;
  color: #ffffff !important;
}

.key.key-chatter {
  animation: pulse-chatter 0.4s infinite alternate;
}

@keyframes pulse-chatter {
  0% { border-color: var(--accent-rose); box-shadow: 0 0 10px var(--accent-rose); }
  100% { border-color: #ff99aa; box-shadow: 0 0 16px var(--accent-rose); }
}

/* Leyendas dentro de la tecla */
.key-label {
  line-height: 1.1;
  pointer-events: none;
}

.key-sub {
  font-size: 0.68rem;
  color: var(--key-subtext);
  line-height: 1;
  pointer-events: none;
}

.key-dual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.key-counter-badge {
  position: absolute;
  top: 1px;
  right: 2px;
  font-size: 0.6rem;
  font-family: var(--font-mono);
  color: var(--accent-emerald);
  opacity: 0.85;
}

/* Anchos proporcionales de teclas estándar */
.w-125 { min-width: calc(var(--key-unit) * 1.25 + var(--key-gap) * 0.25); }
.w-150 { min-width: calc(var(--key-unit) * 1.50 + var(--key-gap) * 0.50); }
.w-175 { min-width: calc(var(--key-unit) * 1.75 + var(--key-gap) * 0.75); }
.w-200 { min-width: calc(var(--key-unit) * 2.00 + var(--key-gap) * 1.00); }
.w-225 { min-width: calc(var(--key-unit) * 2.25 + var(--key-gap) * 1.25); }
.w-275 { min-width: calc(var(--key-unit) * 2.75 + var(--key-gap) * 1.75); }
.w-space { min-width: calc(var(--key-unit) * 6.25 + var(--key-gap) * 5.25); }

/* Alturas proporcionales de teclado numérico */
.h-200 {
  height: calc(var(--key-unit) * 2 + var(--key-gap));
}

/* Tecla Enter ISO en forma de L invertida */
.key-iso-enter-wrap {
  position: relative;
  display: flex;
}

.key-iso-enter {
  position: absolute;
  top: 0;
  right: 0;
  width: calc(var(--key-unit) * 1.5 + var(--key-gap) * 0.5);
  height: calc(var(--key-unit) * 2 + var(--key-gap));
  border-radius: 5px;
  z-index: 2;
  clip-path: polygon(
    0 0,
    100% 0,
    100% 100%,
    calc(100% - var(--key-unit) * 1.25) 100%,
    calc(100% - var(--key-unit) * 1.25) calc(var(--key-unit) + var(--key-gap)),
    0 calc(var(--key-unit) + var(--key-gap))
  );
  justify-content: flex-start;
  padding-top: 10px;
  padding-left: 12px;
}

/* Barra inferior de LEDs y leyenda */
.keyboard-leds-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  margin-bottom: 2rem;
}

.led-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.led-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #334155;
  transition: all 0.2s ease;
}

.led-item.active .led-dot {
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

.led-item.active .led-text {
  color: var(--text-main);
  font-weight: 600;
}

.led-legend {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.legend-chip {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.legend-chip.tested {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.legend-chip.pressed {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
}

.legend-chip.untested {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
}

/* Pestañas de diagnóstico */
.tabs-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Pestaña Ghosting */
.ghosting-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .ghosting-panel-grid {
    grid-template-columns: 1fr;
  }
}

.ghosting-info-col h3,
.ghosting-presets-col h4,
.tool-subcard h3 {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-desc, .presets-intro {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.rollover-meter-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.meter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.meter-verdict {
  color: var(--accent-primary);
  font-weight: 700;
}

.meter-bar-track {
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.meter-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #3b82f6, #10b981);
  transition: width 0.3s ease;
}

.meter-scale-markers {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.active-keys-live-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.active-keys-title {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.active-keys-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  min-height: 38px;
  align-items: center;
}

.chip-empty {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-style: italic;
}

.active-chip {
  background: var(--accent-primary);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 700;
  box-shadow: 0 2px 5px rgba(37, 99, 235, 0.3);
  animation: popIn 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Presets guiados */
.presets-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.preset-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  transition: border-color 0.2s ease;
}

.preset-card.passed {
  border-color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.05);
}

.preset-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.preset-status {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-dim);
}

.preset-card.passed .preset-status {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
}

.preset-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.k-chip {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.k-chip.chip-active {
  background: var(--accent-emerald);
  border-color: var(--accent-emerald);
  color: #ffffff;
  font-weight: 700;
}

/* Pestaña Latencia y Chatter */
.latency-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .latency-grid {
    grid-template-columns: 1fr;
  }
}

.tool-subcard {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.chatter-status-box {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  margin-bottom: 1rem;
}

.chatter-ok-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent-emerald);
  font-size: 0.88rem;
  font-weight: 600;
}

.chatter-list-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 160px;
  overflow-y: auto;
  margin-bottom: 1rem;
}

.chatter-alert-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid var(--accent-rose);
  padding: 0.45rem 0.75rem;
  border-radius: 4px;
  font-size: 0.82rem;
}

.chatter-alert-key {
  font-weight: 700;
  color: var(--accent-rose);
}

.chatter-threshold-control {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
}

.chatter-threshold-control label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.chatter-threshold-control input[type="range"] {
  flex: 1;
}

.help-text {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

.cps-dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.cps-stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  text-align: center;
}

.cps-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.cps-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1.1;
  display: block;
}

.cps-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.cps-speed-test-box {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.cps-speed-test-box h4 {
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.speed-test-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
}

.speed-test-timer {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-amber);
}

.speed-test-result {
  margin-top: 0.75rem;
  padding: 0.6rem 0.85rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--accent-emerald);
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-emerald);
}

/* Pestaña Monitor de Eventos */
.log-panel-container {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.log-header-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.log-info h3 {
  font-size: 1.1rem;
  margin-bottom: 0.15rem;
}

.log-counter {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.log-btn-group {
  display: flex;
  gap: 0.5rem;
}

.log-table-wrapper {
  max-height: 380px;
  overflow-y: auto;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  text-align: left;
}

.log-table th {
  position: sticky;
  top: 0;
  background: var(--bg-subtle);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border-card);
  z-index: 1;
}

.log-table td {
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  color: var(--text-main);
}

.log-table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.log-table .event-down {
  color: var(--accent-emerald);
  font-weight: 600;
}

.log-table .event-up {
  color: var(--text-dim);
}

.empty-row td {
  text-align: center;
  padding: 2rem;
  color: var(--text-dim);
  font-family: inherit;
  font-style: italic;
}

/* Pestaña Exportación */
.export-panel-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .export-panel-grid {
    grid-template-columns: 1fr;
  }
}

.export-preview-card,
.export-summary-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.export-preview-card h3,
.export-summary-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.export-textarea {
  width: 100%;
  height: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.85rem;
  font-size: 0.8rem;
  line-height: 1.45;
  resize: vertical;
  margin-bottom: 1rem;
}

.export-actions-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-primary, .btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-accent {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-main);
}

.btn-accent:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.health-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1rem;
}

.health-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.85rem;
}

.health-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.health-icon.ok {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
}

.health-icon.pending {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-amber);
}

.health-icon.alert {
  background: rgba(244, 63, 94, 0.2);
  color: var(--accent-rose);
}

.health-item strong {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.15rem;
}

.health-item p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}

/* Sección SEO y acordeón canónico */
.seo-guide-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
}

.seo-guide-header {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
}

.seo-guide-title {
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}

.seo-guide-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.seo-guide-content h3 {
  font-size: 1.1rem;
  margin: 1.25rem 0 0.5rem 0;
  color: var(--text-main);
}

.seo-guide-content p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.seo-guide-content ul {
  margin: 0 0 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.seo-guide-content li {
  margin-bottom: 0.4rem;
}

.seo-guide-content strong {
  color: var(--text-main);
}

/* Acordeón FAQ canónico */
.seo-faq-accordion {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.seo-faq-item {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: all 0.2s ease;
}

.seo-faq-item[open] {
  border-color: var(--border-card);
}

.seo-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  user-select: none;
}

.seo-faq-question::-webkit-details-marker {
  display: none;
}

.seo-faq-icon {
  flex-shrink: 0;
  transition: transform 0.25s ease;
  color: var(--text-dim);
}

.seo-faq-item[open] .seo-faq-icon {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

.seo-faq-answer {
  padding: 0 1.15rem 1rem 1.15rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.seo-faq-answer p {
  margin: 0;
}

/* Modal accesible */
.custom-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
}

.custom-modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  animation: scaleModal 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scaleModal {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.modal-title {
  font-size: 1.2rem;
  color: var(--text-main);
}

.btn-close-modal {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.25rem;
}

.btn-close-modal:hover {
  color: var(--text-main);
}

.modal-body {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
}