/**
 * Fijate Tools - Auditor de seguridad de puertas y bombines antibumping
 * Hoja de estilos canónica corporativa, componentes interactivos y diseño responsive.
 */

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

  /* Paleta base (Midnight Slate - Tema oscuro por defecto) */
  --bg-body: #0b0f17;
  --bg-card: #111827;
  --bg-card-sub: #1e293b;
  --bg-input: #0f172a;
  --border-color: #334155;
  --border-focus: #38bdf8;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --primary-color: #38bdf8;
  --primary-hover: #0284c7;
  --primary-glow: rgba(56, 189, 248, 0.15);

  --color-danger: #f43f5e;
  --color-danger-bg: rgba(244, 63, 94, 0.12);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.12);
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.12);
  --color-info: #0284c7;
  --color-info-bg: rgba(2, 132, 199, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-sub: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #cbd5e1;
  --border-focus: #0284c7;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;

  --primary-color: #0284c7;
  --primary-hover: #0369a1;
  --primary-glow: rgba(2, 132, 199, 0.12);

  --color-danger: #e11d48;
  --color-danger-bg: #fff1f2;
  --color-warning: #d97706;
  --color-warning-bg: #fffbeb;
  --color-success: #059669;
  --color-success-bg: #ecfdf5;
  --color-info: #0284c7;
  --color-info-bg: #f0f9ff;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
}

/* Reset y estructura básica */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.25;
}

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

/* Layout institucional */
.tool-layout {
  max-width: 1200px;
  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%;
}

/* Hero de la herramienta */
.tool-hero-header {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-sub) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  background-color: var(--primary-glow);
  color: var(--primary-color);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-main-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.hero-lead-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 850px;
  line-height: 1.55;
}

/* Pestañas de navegación */
.nav-tabs-wrapper {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
}

.nav-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  min-height: 42px;
}

.nav-tab-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-card-sub);
}

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

.nav-tab-btn svg {
  flex-shrink: 0;
}

/* Paneles */
.tab-panel {
  display: none;
  animation: fadeIn 0.25s ease-in-out;
}

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

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

/* Tarjetas y superficies */
.card-surface {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.card-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Grilla del auditor */
.auditor-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 991px) {
  .auditor-grid {
    grid-template-columns: 1fr;
  }
}

/* Formulario del auditor */
.form-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 1.25rem 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px dashed var(--border-color);
}

.form-section-title:first-of-type {
  margin-top: 0;
}

.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-hint {
  display: block;
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Selects accesibles y canónicos */
.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  height: 44px;
  padding: 0 40px 0 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.9rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-select option {
  background-color: var(--bg-card);
  color: var(--text-main);
  padding: 0.5rem;
}

/* Opciones de radio en tarjeta */
.radio-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.radio-card-label {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 48px;
}

.radio-card-label input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-card-label:hover {
  border-color: var(--primary-color);
}

.radio-card-label:has(input:checked) {
  border-color: var(--primary-color);
  background-color: var(--primary-glow);
}

.radio-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.radio-card-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Botones de presets rápidos */
.presets-banner {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  align-items: center;
}

.preset-banner-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.btn-preset {
  padding: 0.35rem 0.75rem;
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-preset:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* Semáforo RAG y tarjeta de resultados */
.traffic-card {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.traffic-card.traffic-danger {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.15) 0%, var(--bg-card) 100%);
  border-color: rgba(244, 63, 94, 0.4);
}

.traffic-card.traffic-warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, var(--bg-card) 100%);
  border-color: rgba(245, 158, 11, 0.4);
}

.traffic-card.traffic-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, var(--bg-card) 100%);
  border-color: rgba(16, 185, 129, 0.4);
}

.traffic-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.score-display-box {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.score-number {
  font-size: 2.75rem;
  font-weight: 800;
  font-family: var(--font-heading);
  line-height: 1;
}

.traffic-card.traffic-danger .score-number { color: var(--color-danger); }
.traffic-card.traffic-warning .score-number { color: var(--color-warning); }
.traffic-card.traffic-success .score-number { color: var(--color-success); }

.score-max {
  font-size: 1.15rem;
  color: var(--text-muted);
  font-weight: 600;
}

.progress-track {
  width: 100%;
  height: 8px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.5s ease;
}

.progress-fill.fill-danger { background-color: var(--color-danger); }
.progress-fill.fill-warning { background-color: var(--color-warning); }
.progress-fill.fill-success { background-color: var(--color-success); }

.traffic-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.traffic-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

/* Bloques de métricas de intrusión */
.traffic-kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.kpi-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.kpi-lbl {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  text-transform: none;
}

.kpi-val {
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.kpi-val.text-danger { color: var(--color-danger); }
.kpi-val.text-warning { color: var(--color-warning); }
.kpi-val.text-success { color: var(--color-success); }

/* Ahorro estimado */
.savings-callout {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-success-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-main);
}

.savings-callout svg {
  color: var(--color-success);
  flex-shrink: 0;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

.badge-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-info {
  background-color: var(--color-info-bg);
  color: var(--color-info);
  border: 1px solid rgba(2, 132, 199, 0.3);
}

/* Amenazas críticas */
.threats-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.threat-item {
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  border-left: 4px solid transparent;
}

.threat-item.threat-danger {
  background-color: var(--color-danger-bg);
  border-left-color: var(--color-danger);
}

.threat-item.threat-warning {
  background-color: var(--color-warning-bg);
  border-left-color: var(--color-warning);
}

.threat-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.threat-badge {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background-color: var(--color-danger);
  color: #fff;
  letter-spacing: 0.05em;
}

.threat-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.threat-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.empty-threat-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background-color: var(--color-success-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.875rem;
}

.empty-threat-box svg {
  color: var(--color-success);
  flex-shrink: 0;
}

/* Plan de acción */
.action-plan-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.action-card {
  display: flex;
  gap: 1rem;
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  align-items: flex-start;
}

.action-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: #0b0f17;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.action-body {
  flex: 1 1 0%;
  min-width: 0;
}

.action-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.action-priority {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.action-cost {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.action-cost strong {
  color: var(--text-main);
}

.action-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.action-tips {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.785rem;
  color: var(--text-muted);
}

.action-tips span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.action-saving {
  color: var(--color-success);
  font-weight: 600;
}

/* PESTAÑA: IDENTIFICADOR VISUAL DE LLAVES */
.identifier-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
  align-items: start;
}

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

.keys-selector-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.key-card-select {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  min-height: 60px;
}

.key-card-select:hover {
  border-color: var(--primary-color);
  background-color: var(--bg-card-sub);
}

.key-card-select.selected {
  border-color: var(--primary-color);
  background-color: var(--primary-glow);
  box-shadow: 0 0 0 2px var(--primary-color);
}

.key-mini-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-color);
}

.key-mini-icon svg {
  width: 32px;
  height: 20px;
}

.key-card-info {
  flex: 1 1 0%;
  min-width: 0;
}

.key-card-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.key-card-status {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Detalle de la llave */
.key-detail-card {
  padding: 1.75rem;
}

.key-detail-top {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.key-detail-svg-box {
  width: 160px;
  height: 90px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: var(--primary-color);
  flex-shrink: 0;
}

.key-svg-preview {
  width: 100%;
  height: 100%;
  max-width: 150px;
}

.key-detail-header-info {
  flex: 1 1 220px;
}

.key-detail-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0.4rem 0 0.2rem;
}

.key-detail-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.key-timing-row {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.key-time-box {
  display: flex;
  flex-direction: column;
}

.key-time-box .lbl {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.key-time-box .val {
  font-size: 0.95rem;
  font-weight: 700;
}

.key-full-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.key-techniques-box {
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.key-techniques-box .subhead {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--text-main);
}

.techniques-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}

.tech-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.tech-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.tech-header strong {
  font-size: 0.85rem;
}

.tech-risk {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.tech-risk.risk-crítico { background-color: var(--color-danger-bg); color: var(--color-danger); }
.tech-risk.risk-alto { background-color: var(--color-warning-bg); color: var(--color-warning); }
.tech-risk.risk-medio { background-color: var(--color-info-bg); color: var(--color-info); }
.tech-risk.risk-nulo { background-color: var(--color-success-bg); color: var(--color-success); }

.tech-desc {
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.key-rec-box {
  display: flex;
  gap: 0.85rem;
  padding: 1rem;
  background-color: var(--primary-glow);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.rec-icon {
  color: var(--primary-color);
  flex-shrink: 0;
  margin-top: 2px;
}

.rec-text strong {
  font-size: 0.875rem;
  color: var(--text-main);
  display: block;
  margin-bottom: 0.2rem;
}

.rec-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* PESTAÑA: MEDIDOR VIRTUAL DE BOMBINES */
.measurer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 991px) {
  .measurer-grid {
    grid-template-columns: 1fr;
  }
}

.cylinder-canvas-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}

.cylinder-svg-wrapper {
  width: 100%;
  max-width: 520px;
  margin: 0 auto 1.5rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cylinder-main-svg {
  width: 100%;
  height: auto;
  max-height: 240px;
}

.measurer-metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.meas-stat-box {
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  text-align: center;
}

.meas-stat-lbl {
  font-size: 0.725rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.meas-stat-val {
  font-size: 1.15rem;
  font-weight: 800;
  font-family: var(--font-heading);
}

.measurer-presets-row {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.meas-preset-btn {
  padding: 0.4rem 0.65rem;
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.meas-preset-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* Sliders de medición */
.slider-container {
  margin-bottom: 1.25rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.slider-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.slider-val-badge {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-color);
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--bg-input);
  outline: none;
  cursor: pointer;
  border: 1px solid var(--border-color);
  -webkit-appearance: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-color);
  border: 2px solid #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.range-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-color);
  border: 2px solid #fff;
  cursor: pointer;
}

/* Alerta de voladizo peligroso */
.protrusion-alert-card {
  display: flex;
  gap: 0.85rem;
  padding: 1rem;
  background-color: var(--color-danger-bg);
  border: 1px solid rgba(244, 63, 94, 0.4);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  align-items: flex-start;
  color: var(--text-main);
  text-align: left;
}

.protrusion-alert-card svg {
  color: var(--color-danger);
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-content strong {
  color: var(--color-danger);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.2rem;
}

.alert-content p {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.buy-rec-box {
  background-color: var(--bg-card-sub);
  border: 1px dashed var(--primary-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 1rem;
  text-align: left;
}

.buy-rec-box strong {
  font-size: 0.85rem;
  color: var(--primary-color);
  display: block;
  margin-bottom: 0.35rem;
}

.buy-rec-box p {
  font-size: 0.85rem;
  color: var(--text-main);
  line-height: 1.45;
}

/* PESTAÑA: GUÍA PASO A PASO DE CAMBIO */
.diy-guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

.guide-step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.guide-step-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.step-badge-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--primary-glow);
  color: var(--primary-color);
  border: 1px solid rgba(56, 189, 248, 0.4);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.guide-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  line-height: 1.35;
}

.guide-step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex: 1 0 auto;
}

.guide-step-tip {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-card-sub);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
  border-left: 3px solid var(--primary-color);
}

.guide-step-tip svg {
  color: var(--primary-color);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Botones estándar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #0b0f17;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #fff;
}

.btn-secondary {
  background-color: var(--bg-card-sub);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-block {
  width: 100%;
}

.btn-group-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

/* Modales accesibles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.modal-dialog {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 1.75rem;
  transform: translateY(15px);
  transition: transform 0.25s ease;
}

.modal.active .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

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

.modal-close:hover {
  color: var(--text-main);
  background-color: var(--bg-card-sub);
}

.modal-body {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.glossary-item {
  margin-bottom: 1.25rem;
}

.glossary-term {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

/* Toast de feedback */
.toast-feedback {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--primary-color);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 10001;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.25s ease;
}

.toast-feedback.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsividad móvil */
@media (max-width: 768px) {
  .tool-layout {
    padding: 0 0.75rem;
    margin: 1rem auto 2rem;
  }

  .tool-hero-header {
    padding: 1.25rem;
  }

  .hero-main-title {
    font-size: 1.4rem;
  }

  .radio-cards-grid {
    grid-template-columns: 1fr;
  }

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

  .btn {
    width: 100%;
  }

  .key-detail-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .key-detail-svg-box {
    width: 100%;
    max-width: 100%;
  }
}