/* ==========================================================================
   Calculadora de balance y peso de pala - style.css
   Fijate Tools (c) 2026
   ========================================================================== */

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

  /* Tema claro */
  --bg-app: #f4f6fa;
  --bg-card: #ffffff;
  --bg-card-alt: #f8fafc;
  --border-color: #e2e8f0;
  --border-focus: #0284c7;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-dim: #94a3b8;

  /* Acentos de pádel */
  --padel-blue: #0284c7;
  --padel-blue-light: #e0f2fe;
  --tennis-lime: #84cc16;
  --tennis-lime-bg: #ecfccb;
  --tennis-lime-text: #365314;

  /* Semáforo de salud articular (Lección 282: variables emparejadas) */
  --state-safe-bg: #dcfce7;
  --state-safe-text: #14532d;
  --state-safe-title: #052e16;
  --state-safe-border: #86efac;

  --state-warn-bg: #fef3c7;
  --state-warn-text: #78350f;
  --state-warn-title: #451a03;
  --state-warn-border: #fcd34d;

  --state-danger-bg: #fee2e2;
  --state-danger-text: #7f1d1d;
  --state-danger-title: #450a0a;
  --state-danger-border: #fca5a5;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

[data-theme="dark"] {
  --bg-app: #0b0f17;
  --bg-card: #131b26;
  --bg-card-alt: #182232;
  --border-color: #243144;
  --border-focus: #38bdf8;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --padel-blue: #38bdf8;
  --padel-blue-light: rgba(56, 189, 248, 0.15);
  --tennis-lime: #a3e635;
  --tennis-lime-bg: rgba(163, 230, 53, 0.16);
  --tennis-lime-text: #bef264;

  /* Variables emparejadas alto contraste en oscuro */
  --state-safe-bg: rgba(34, 197, 94, 0.16);
  --state-safe-text: #86efac;
  --state-safe-title: #f0fdf4;
  --state-safe-border: rgba(34, 197, 94, 0.35);

  --state-warn-bg: rgba(245, 158, 11, 0.16);
  --state-warn-text: #fde68a;
  --state-warn-title: #fffbeb;
  --state-warn-border: rgba(245, 158, 11, 0.35);

  --state-danger-bg: rgba(239, 68, 68, 0.16);
  --state-danger-text: #fca5a5;
  --state-danger-title: #fef2f2;
  --state-danger-border: rgba(239, 68, 68, 0.35);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

/* Base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-main);
  margin: 0;
  padding: 0;
  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,
.section-title,
.metric-title {
  font-family: var(--font-heading);
}

.mono,
.metric-val,
.stat-tag,
.ruler-num {
  font-family: var(--font-mono);
}

/* Barra de suite unificada */
.suite-nav-bar {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 0.65rem 1rem;
}

.suite-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.suite-badge-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-muted);
}

.suite-badge-tag {
  background: var(--tennis-lime-bg);
  color: var(--tennis-lime-text);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.suite-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.suite-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  background: var(--bg-card-alt);
  transition: all 0.15s ease;
}

.suite-link-btn:hover {
  color: var(--text-main);
  border-color: var(--padel-blue);
  background: var(--bg-card);
}

.suite-link-btn.is-active {
  background: var(--padel-blue);
  color: #ffffff;
  border-color: var(--padel-blue);
}

/* Layout */
.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Selector de Presets */
.presets-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.presets-label-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.presets-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
}

.presets-pills {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.btn-preset-pill {
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

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

/* Área de trabajo de la herramienta (Simulador a la izquierda, Controles a la derecha) */
.workspace-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 992px) {
  .workspace-grid {
    grid-template-columns: 1.05fr 1.35fr;
  }
}

/* Tarjeta del Simulador SVG */
.simulator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.simulator-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.svg-canvas-wrapper {
  background: radial-gradient(circle at 50% 35%, rgba(2, 132, 199, 0.08) 0%, rgba(15, 23, 42, 0.02) 100%), var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  min-height: 580px;
}

[data-theme="dark"] .svg-canvas-wrapper {
  background: radial-gradient(circle at 50% 35%, rgba(56, 189, 248, 0.14) 0%, rgba(11, 15, 23, 0.9) 100%), #0c121d;
}

.racket-svg-root {
  width: 100%;
  max-width: 360px;
  max-height: 540px;
  height: auto;
  display: block;
  user-select: none;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.2));
}

.ruler-num {
  font-family: var(--font-mono);
  font-weight: 600;
  fill: var(--text-muted);
}

/* Leyenda del simulador */
.simulator-legend {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px dashed var(--border-color);
  padding-top: 0.75rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-balance-base { background: #94a3b8; }
.dot-balance-final { background: #0284c7; }
[data-theme="dark"] .dot-balance-final { background: #38bdf8; }
.dot-sweet-spot { background: #84cc16; }
.dot-accessory { background: #f59e0b; }

/* Panel derecho: Métricas y Controles */
.controls-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Tarjetas de métricas comparativas */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (min-width: 580px) {
  .metrics-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0.2rem 0;
  line-height: 1.1;
}

.metric-delta {
  font-size: 0.75rem;
  font-weight: 700;
}

.metric-delta.is-positive {
  color: #0284c7;
}

.metric-delta.is-neutral {
  color: var(--text-dim);
}

.metric-delta.is-warn {
  color: #b45309;
}

/* Monitor de salud articular (Prevención de Epicondilitis) */
.health-monitor-card {
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.health-monitor-card.risk-low {
  background: var(--state-safe-bg);
  border-color: var(--state-safe-border);
}

.health-monitor-card.risk-moderate {
  background: var(--state-warn-bg);
  border-color: var(--state-warn-border);
}

.health-monitor-card.risk-high {
  background: var(--state-danger-bg);
  border-color: var(--state-danger-border);
}

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

.health-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.risk-low .health-title { color: var(--state-safe-title); }
.risk-moderate .health-title { color: var(--state-warn-title); }
.risk-high .health-title { color: var(--state-danger-title); }

.health-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  text-transform: uppercase;
}

.risk-low .health-badge {
  background: rgba(34, 197, 94, 0.2);
  color: var(--state-safe-text);
}
.risk-moderate .health-badge {
  background: rgba(245, 158, 11, 0.2);
  color: var(--state-warn-text);
}
.risk-high .health-badge {
  background: rgba(239, 68, 68, 0.2);
  color: var(--state-danger-text);
}

.health-desc {
  font-size: 0.85rem;
  line-height: 1.45;
  margin: 0;
}

.risk-low .health-desc { color: var(--state-safe-text); }
.risk-moderate .health-desc { color: var(--state-warn-text); }
.risk-high .health-desc { color: var(--state-danger-text); }

/* Barras de rendimiento (Potencia vs Maniobrabilidad) */
.performance-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  box-shadow: var(--shadow-sm);
}

.perf-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.perf-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}

.perf-progress-track {
  width: 100%;
  height: 8px;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  overflow: hidden;
}

.perf-progress-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.fill-power {
  background: linear-gradient(90deg, #f59e0b, #ef4444);
}

.fill-maneuver {
  background: linear-gradient(90deg, #38bdf8, #10b981);
}

/* Lista interactiva de accesorios */
.accessories-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.accessories-heading {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.acc-category-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin: 0.75rem 0 0.4rem 0;
}

.acc-category-title:first-child {
  margin-top: 0;
}

.accessories-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.accessory-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  transition: all 0.15s ease;
  cursor: pointer;
}

.accessory-item:hover {
  border-color: var(--padel-blue);
  background: var(--bg-card);
}

.accessory-item.is-selected {
  border-color: var(--padel-blue);
  background: var(--padel-blue-light);
}

.acc-info-col {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

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

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

.acc-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--padel-blue);
  cursor: pointer;
}

/* Formulario de parámetros base */
.base-params-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.base-params-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 580px) {
  .base-params-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input,
.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 40px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-card-alt);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
}

.form-select {
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  padding-right: 40px;
  cursor: pointer;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
}

/* Botones de acción */
.btn-action-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--padel-blue);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 40px;
  transition: all 0.15s ease;
}

.btn-primary:hover {
  background: #0369a1;
}

.btn-secondary {
  background: var(--bg-card-alt);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 40px;
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--padel-blue);
}

/* Modales canónicos sin alerts */
.pala-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.pala-modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.pala-modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(10px);
  transition: transform 0.2s ease;
}

.pala-modal-overlay.is-open .pala-modal-card {
  transform: translateY(0);
}

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

.pala-modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  display: inline-flex;
}

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

/* Sección SEO */
.seo-guide-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-top: 2rem;
}

.seo-guide-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.seo-guide-section h2:first-child {
  margin-top: 0;
}

.seo-guide-section p,
.seo-guide-section li {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

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

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}