/**
 * Estilos para Calculadora de Coeficientes de Powerlifting
 * Fijate Tools • Suite Canónica
 */

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

  /* Tema oscuro (predeterminado) */
  --bg-app: #0b0f17;
  --bg-card: #131b26;
  --bg-surface: #1a2434;
  --bg-input: #0f1622;
  --border-color: #263345;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-sub: #cbd5e1;
  --accent-color: #0ea5e9;
  --accent-hover: #0284c7;

  /* Colores de movimientos SBD */
  --color-squat: #10b981;
  --color-bench: #0ea5e9;
  --color-deadlift: #f59e0b;

  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-surface: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-sub: #334155;
  --accent-color: #0284c7;
  --accent-hover: #0369a1;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
}

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

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

/* Layout canónico */
.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%;
}

/* Héroe descriptivo */
.tool-hero {
  margin-bottom: 1.5rem;
  text-align: left;
}

.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  background: rgba(14, 165, 233, 0.15);
  border: 1px solid rgba(14, 165, 233, 0.3);
  color: var(--accent-color);
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.tool-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.tool-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 800px;
}

/* Pestañas de modo */
.view-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.view-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: none;
  border: none;
  border-radius: 10px;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 42px;
}

.view-tab:hover {
  color: var(--text-main);
  background: var(--bg-surface);
}

.view-tab.is-active {
  color: var(--accent-color);
  background: rgba(14, 165, 233, 0.15);
}

/* Presets de atletas */
.presets-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.presets-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.presets-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn-preset {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.4rem 0.85rem;
  color: var(--text-sub);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-preset:hover {
  border-color: var(--accent-color);
  color: var(--text-main);
}

.btn-preset.is-active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #ffffff;
}

/* Rejilla principal del formulario e informe */
.calculator-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.card-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Conmutador de unidades kg/lbs */
.unit-toggle-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
}

.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-round {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  transition: .3s;
  border-radius: 22px;
}

.slider-round:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider-round {
  background-color: var(--accent-color);
}

input:checked + .slider-round:before {
  transform: translateX(18px);
}

/* Formularios */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-sub);
}

.form-control {
  width: 100%;
  min-height: 44px;
  padding: 0.5rem 0.85rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.9375rem;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.input-with-unit {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-unit .form-control {
  padding-right: 3rem;
  font-family: var(--font-mono);
  font-weight: 600;
}

.input-suffix {
  position: absolute;
  right: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  pointer-events: none;
}

/* KPIs de resultados */
.results-kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: border-color 0.2s ease;
}

.kpi-card.highlight {
  border-color: var(--accent-color);
  background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.1) 0%, var(--bg-surface) 80%);
}

.kpi-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

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

/* Nivel de fuerza y badge */
.level-diagnosis-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.level-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.level-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: #ffffff;
}

.level-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Gráfico de barras SBD */
.sbd-visual-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.sbd-bar-track {
  height: 14px;
  width: 100%;
  background: var(--bg-card);
  border-radius: 9999px;
  display: flex;
  overflow: hidden;
  margin: 0.75rem 0;
}

.sbd-bar-segment {
  height: 100%;
  transition: width 0.3s ease;
}

.sbd-bar-squat { background: var(--color-squat); }
.sbd-bar-bench { background: var(--color-bench); }
.sbd-bar-deadlift { background: var(--color-deadlift); }

.sbd-legend {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-sub);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Botones de acción */
.actions-row {
  display: flex;
  gap: 0.75rem;
}

.btn-action {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
  border: 1px solid transparent;
}

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

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

.btn-outline {
  background: none;
  border-color: var(--border-color);
  color: var(--text-sub);
}

.btn-outline:hover {
  border-color: var(--accent-color);
  color: var(--text-main);
}

/* Vista del comparador */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.athlete-column {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.5rem;
}

.athlete-header {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.comp-stats-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.875rem;
}

.comp-stats-table td {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.comp-stats-table td:last-child {
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 700;
}

/* Tarjeta del veredicto */
.verdict-card {
  background: var(--bg-card);
  border: 2px solid var(--accent-color);
  border-radius: 14px;
  padding: 1.5rem;
  margin-top: 1rem;
}

.verdict-card.winner-a {
  border-color: var(--color-squat);
  background: radial-gradient(circle at top left, rgba(16, 185, 129, 0.1) 0%, var(--bg-card) 70%);
}

.verdict-card.winner-b {
  border-color: var(--accent-color);
  background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.1) 0%, var(--bg-card) 70%);
}

.verdict-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

/* Guía SEO y FAQ */
.seo-guide-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  margin-top: 2rem;
}

.seo-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.seo-guide-section p {
  color: var(--text-sub);
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.seo-guide-section h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 1.5rem 0 0.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
}

.faq-question {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.faq-answer {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* Modales accesibles */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 1rem;
}

.modal-overlay.is-active {
  display: flex;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  position: relative;
  text-align: left;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

/* Responsive */
@media (max-width: 900px) {
  .calculator-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 600px) {
  .tool-layout {
    padding: 0 0.75rem;
  }

  .card-panel {
    padding: 1.25rem;
  }

  .results-kpi-grid {
    grid-template-columns: 1fr;
  }

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