/* ==========================================================================
   VitalIMC Pro - Estilos Modernos & Glassmorphism UI
   ========================================================================== */

:root {
  /* Paleta Base (Modo Oscuro Predeterminado) */
  --bg-main: #0b0f19;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-solid: #121826;
  --bg-card-hover: rgba(28, 36, 56, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Acentos y Gradientes */
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --primary-accent: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);

  /* Colores de Categorías IMC */
  --color-underweight: #38bdf8;
  --color-normal: #10b981;
  --color-overweight: #f59e0b;
  --color-obese1: #f97316;
  --color-obese2: #ef4444;

  --needle-color: #f8fafc;
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5), 0 0 1px 1px var(--border-subtle);
  --shadow-button: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
  --glass-blur: blur(16px);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Modo Claro */
[data-theme="light"] {
  --bg-main: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.82);
  --bg-card-solid: #ffffff;
  --bg-card-hover: rgba(248, 250, 252, 0.95);
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --needle-color: #1e293b;
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.08), 0 0 1px 1px var(--border-subtle);
  --shadow-button: 0 10px 25px -5px rgba(99, 102, 241, 0.28);
}

/* Reseteo y Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.5;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Canvas Confeti */
#confettiCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* Efectos de Iluminación Ambiental (Mesh Gradients) */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  transition: all 0.6s ease;
}

.bg-glow-1 {
  top: -10%;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #4f46e5 0%, rgba(79, 70, 229, 0) 70%);
}

.bg-glow-2 {
  top: 40%;
  right: 5%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, #06b6d4 0%, rgba(6, 182, 212, 0) 70%);
}

.bg-glow-3 {
  bottom: -5%;
  left: 30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #8b5cf6 0%, rgba(139, 92, 246, 0) 70%);
}

[data-theme="light"] .bg-glow {
  opacity: 0.22;
}

/* Contenedor Principal */
.app-container,
.suite-container {
  position: relative;
  z-index: 1;
}

/* Header & Barra Superior */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 8px 20px -4px var(--primary-glow);
  transform: rotate(-2deg);
  transition: transform 0.3s ease;
}

.brand-icon:hover {
  transform: rotate(2deg) scale(1.04);
}

.brand-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.badge-pro {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  background: var(--primary-gradient);
  color: #ffffff;
  border-radius: 20px;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.icon-button {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: var(--glass-blur);
  transition: all 0.25s ease;
}

.icon-button:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-accent);
  transform: translateY(-2px);
}

.action-btn-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  height: 42px;
  padding: 0 1rem;
  border-radius: 24px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  backdrop-filter: var(--glass-blur);
  transition: all 0.25s ease;
}

.action-btn-pill:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-accent);
  transform: translateY(-2px);
}

.counter-badge {
  background: var(--primary-accent);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 12px;
}

/* Tarjetas Base (Glassmorphism) */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

[data-theme="light"] .card:hover {
  border-color: rgba(0, 0, 0, 0.14);
}

/* Layout en Dos Columnas */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 2rem;
  align-items: start;
}

/* Encabezados de Sección */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.6rem;
  gap: 1rem;
}

.section-title {
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Toggle Métrico / Imperial */
.unit-toggle {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 4px;
  display: flex;
  gap: 4px;
}

[data-theme="light"] .unit-toggle {
  background: rgba(0, 0, 0, 0.05);
}

.unit-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.4rem 0.85rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.unit-btn.active {
  background: var(--primary-accent);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

/* Grupos de Entradas */
.input-group {
  margin-bottom: 1.5rem;
}

.group-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.6rem;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.value-display {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-accent);
  background: rgba(99, 102, 241, 0.1);
  padding: 0.2rem 0.65rem;
  border-radius: 8px;
}

.unit-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Selector de Género */
.gender-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.gender-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

[data-theme="light"] .gender-btn {
  background: #f8fafc;
}

.gender-btn:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-1px);
}

.gender-btn.active {
  background: rgba(99, 102, 241, 0.12);
  border-color: var(--primary-accent);
  color: var(--text-main);
  box-shadow: 0 0 0 1px var(--primary-accent), 0 8px 20px -6px var(--primary-glow);
}

.gender-btn.active .gender-icon {
  color: var(--primary-accent);
}

/* Fila de Slider y Control Numérico */
.slider-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.custom-range {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

[data-theme="light"] .custom-range {
  background: #e2e8f0;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--primary-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.custom-range::-webkit-slider-thumb:hover {
  transform: scale(1.18);
  box-shadow: 0 0 12px var(--primary-glow);
}

.custom-range::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--primary-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  cursor: pointer;
}

/* Inputs Numéricos con Sufijo */
.number-input-box {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.65rem;
  min-width: 92px;
  width: auto;
  box-sizing: border-box;
  flex-shrink: 0;
  transition: all 0.2s ease;
  cursor: text;
}

[data-theme="light"] .number-input-box {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.15);
}

.number-input-box:focus-within {
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
}

.number-input-field {
  width: 82px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 700;
  text-align: right;
  outline: none;
  transition: all 0.2s ease;
  -moz-appearance: textfield;
}

.number-input-field::-webkit-inner-spin-button,
.number-input-field::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

[data-theme="light"] .number-input-field {
  background: #ffffff;
}

.number-input-field:focus {
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* Integración sin solapamiento dentro de .number-input-box */
.number-input-box .number-input-field {
  flex: 1;
  min-width: 44px;
  width: 100%;
  padding: 0;
  margin: 0;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  text-align: right;
}

.suffix {
  position: static;
  margin-left: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  pointer-events: none;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Stepper para Edad */
.stepper-controls {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.step-btn {
  width: 32px;
  height: 36px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

[data-theme="light"] .step-btn {
  background: #e2e8f0;
}

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

.stepper-controls .number-input-field {
  width: 60px;
  text-align: center;
  padding: 0.55rem 0.4rem;
}

/* Imperial Dual Inputs */
.imperial-inputs-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.imperial-item label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.imperial-item .number-input-box {
  width: 100%;
}

/* Select de Actividad */
.select-wrapper {
  position: relative;
  width: 100%;
}

.custom-select {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 2.2rem 0.75rem 0.9rem;
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: all 0.2s ease;
}

[data-theme="light"] .custom-select {
  background: #f8fafc;
}

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

.custom-select:focus {
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.select-arrow {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--text-dim);
  pointer-events: none;
}

/* ==========================================================================
   Panel de Ajuste por Musculatura & Composición Corporal
   ========================================================================== */

.muscle-accordion-box {
  background: rgba(139, 92, 246, 0.05);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.muscle-accordion-box:hover {
  border-color: rgba(139, 92, 246, 0.45);
}

.muscle-header-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  background: rgba(139, 92, 246, 0.04);
  gap: 0.8rem;
}

.muscle-header-left {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.muscle-badge-icon {
  font-size: 1.35rem;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(139, 92, 246, 0.15);
  border-radius: 10px;
  flex-shrink: 0;
}

.muscle-header-title {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
}

.muscle-header-sub {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Switch Tipo iOS / Apple */
.switch-toggle {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 26px;
  flex-shrink: 0;
}

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

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255, 255, 255, 0.12);
  border-radius: 34px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-subtle);
}

[data-theme="light"] .switch-slider {
  background-color: #cbd5e1;
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: #ffffff;
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.switch-toggle input:checked + .switch-slider {
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  border-color: #8b5cf6;
}

.switch-toggle input:checked + .switch-slider:before {
  transform: translateX(20px);
}

/* Cuerpo del Panel de Musculatura */
.muscle-panel-body {
  padding: 1.1rem;
  border-top: 1px solid rgba(139, 92, 246, 0.15);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Selector de Pestañas */
.muscle-tab-selector {
  display: flex;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 20px;
  padding: 3px;
  gap: 4px;
}

[data-theme="light"] .muscle-tab-selector {
  background: rgba(0, 0, 0, 0.06);
}

.muscle-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.5rem 0.8rem;
  border-radius: 16px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.muscle-tab-btn.active {
  background: #8b5cf6;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.35);
}

.muscle-view-intro {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 0.8rem;
}

/* Selector de Nivel Atlético */
.athlete-level-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.athlete-level-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.3rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.25s ease;
}

.athlete-level-btn:hover {
  background: var(--bg-card-hover);
  border-color: rgba(139, 92, 246, 0.4);
}

.athlete-level-btn.active {
  background: rgba(139, 92, 246, 0.12);
  border-color: #8b5cf6;
  color: var(--text-main);
  box-shadow: 0 0 0 1px #8b5cf6;
}

.lvl-icon {
  font-size: 1.4rem;
}

.lvl-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-main);
}

.lvl-desc {
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.25;
}

.input-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-dim);
}

/* Botones Principales */
.button-group {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.primary-btn {
  flex: 1;
  background: var(--primary-gradient);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.95rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-button);
  transition: all 0.3s ease;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -6px rgba(99, 102, 241, 0.5);
  filter: brightness(1.08);
}

.primary-btn:active {
  transform: translateY(0);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 0.95rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

[data-theme="light"] .secondary-btn {
  background: #f1f5f9;
}

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

/* Indicador de Estado en Vivo */
.realtime-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulseAnim 2s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* ==========================================================================
   Medidor Velocímetro SVG & Diagnóstico
   ========================================================================== */

.bar-gauge-card {
  text-align: center;
  padding: 1.2rem 1rem 1.6rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.imc-hero-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}

.imc-number-wrapper {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.35rem;
}

.imc-number {
  font-size: 3.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.imc-unit {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Contenedor del Espectro Horizontal */
.spectrum-container {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin: 3.8rem auto 1.2rem;
  padding: 0 4px;
}

/* Marcador Deslizante */
.spectrum-marker {
  position: absolute;
  top: -38px;
  transform: translateX(-50%);
  transition: left 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 10;
  pointer-events: none;
}

.marker-bubble {
  background: var(--primary-accent);
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 800;
  padding: 0.25rem 0.6rem;
  border-radius: 8px;
  box-shadow: 0 4px 14px var(--primary-glow);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.marker-pin {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--primary-accent);
  margin-bottom: 3px;
  transition: border-top-color 0.3s ease;
}

/* Colores Dinámicos del Marcador según Categoría */
.spectrum-marker.marker-under .marker-bubble { background: var(--color-underweight); box-shadow: 0 4px 14px rgba(56, 189, 248, 0.45); }
.spectrum-marker.marker-under .marker-pin { border-top-color: var(--color-underweight); }

.spectrum-marker.marker-normal .marker-bubble { background: var(--color-normal); box-shadow: 0 4px 14px rgba(16, 185, 129, 0.45); }
.spectrum-marker.marker-normal .marker-pin { border-top-color: var(--color-normal); }

.spectrum-marker.marker-over .marker-bubble { background: var(--color-overweight); box-shadow: 0 4px 14px rgba(245, 158, 11, 0.45); }
.spectrum-marker.marker-over .marker-pin { border-top-color: var(--color-overweight); }

.spectrum-marker.marker-obese1 .marker-bubble { background: var(--color-obese1); box-shadow: 0 4px 14px rgba(249, 115, 22, 0.45); }
.spectrum-marker.marker-obese1 .marker-pin { border-top-color: var(--color-obese1); }

.spectrum-marker.marker-obese2 .marker-bubble { background: var(--color-obese2); box-shadow: 0 4px 14px rgba(239, 68, 68, 0.45); }
.spectrum-marker.marker-obese2 .marker-pin { border-top-color: var(--color-obese2); }

/* Pista de la Barra Segmentada */
.spectrum-bar {
  display: flex;
  height: 18px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3), 0 0 16px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.3);
  position: relative;
}

[data-theme="light"] .spectrum-bar {
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.seg-item {
  height: 100%;
  position: relative;
  transition: opacity 0.3s ease;
}

.seg-item:not(:last-child) {
  border-right: 1.5px solid rgba(0, 0, 0, 0.3);
}

.seg-under {
  background: linear-gradient(90deg, #38bdf8, #0ea5e9);
}

.seg-normal {
  background: linear-gradient(90deg, #34d399, #10b981);
}

.seg-over {
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

.seg-obese1 {
  background: linear-gradient(90deg, #fb923c, #ea580c);
}

.seg-obese2 {
  background: linear-gradient(90deg, #f87171, #ef4444);
}

/* Ticks Numéricos debajo de la Barra */
.spectrum-ticks {
  position: relative;
  width: 100%;
  height: 18px;
  margin-top: 6px;
}

.tick-label {
  position: absolute;
  transform: translateX(-50%);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-dim);
}

/* Fila de Categorías */
.spectrum-category-row {
  display: flex;
  margin-top: 4px;
}

.cat-pill {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pill-text-under { color: var(--color-underweight); }
.pill-text-normal { color: var(--color-normal); }
.pill-text-over { color: var(--color-overweight); }
.pill-text-obese1 { color: var(--color-obese1); }
.pill-text-obese2 { color: var(--color-obese2); }

.desktop-cat-text { display: inline; }
.mobile-cat-text { display: none; }

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  border-radius: 30px;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: all 0.3s ease;
}

.category-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Variantes de Categoría */
.category-under {
  background: rgba(56, 189, 248, 0.15);
  color: var(--color-underweight);
  border: 1px solid rgba(56, 189, 248, 0.3);
}
.category-under .category-dot { background: var(--color-underweight); box-shadow: 0 0 10px var(--color-underweight); }

.category-normal {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-normal);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.category-normal .category-dot { background: var(--color-normal); box-shadow: 0 0 10px var(--color-normal); }

.category-over {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-overweight);
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.category-over .category-dot { background: var(--color-overweight); box-shadow: 0 0 10px var(--color-overweight); }

.category-obese1 {
  background: rgba(249, 115, 22, 0.15);
  color: var(--color-obese1);
  border: 1px solid rgba(249, 115, 22, 0.3);
}
.category-obese1 .category-dot { background: var(--color-obese1); box-shadow: 0 0 10px var(--color-obese1); }

.category-obese2 {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-obese2);
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.category-obese2 .category-dot { background: var(--color-obese2); box-shadow: 0 0 10px var(--color-obese2); }

.category-athletic {
  background: rgba(139, 92, 246, 0.16);
  color: #a855f7;
  border: 1px solid rgba(139, 92, 246, 0.35);
}
.category-athletic .category-dot { background: #a855f7; box-shadow: 0 0 10px #a855f7; }

.spectrum-marker.marker-athletic .marker-bubble { background: #8b5cf6; box-shadow: 0 4px 14px rgba(139, 92, 246, 0.5); }
.spectrum-marker.marker-athletic .marker-pin { border-top-color: #8b5cf6; }

.category-fitness {
  background: rgba(14, 165, 233, 0.16);
  color: #38bdf8;
  border: 1px solid rgba(14, 165, 233, 0.35);
}
.category-fitness .category-dot { background: #38bdf8; box-shadow: 0 0 10px #38bdf8; }

.spectrum-marker.marker-fitness .marker-bubble { background: #0ea5e9; box-shadow: 0 4px 14px rgba(14, 165, 233, 0.5); }
.spectrum-marker.marker-fitness .marker-pin { border-top-color: #0ea5e9; }

.imc-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 460px;
  margin: 1.2rem auto 0;
  line-height: 1.55;
}

/* ==========================================================================
   Métricas Complementarias (2x2 Grid)
   ========================================================================== */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

[data-theme="light"] .metric-card {
  background: #f8fafc;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.3);
}

.metric-card.active-metric-card {
  border-color: rgba(139, 92, 246, 0.45);
  background: rgba(139, 92, 246, 0.05);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.1);
}

[data-theme="light"] .metric-card.active-metric-card {
  border-color: rgba(139, 92, 246, 0.5);
  background: #f5f3ff;
}

.metric-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.metric-icon {
  font-size: 1.1rem;
}

.metric-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.metric-value {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.sub-unit {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.metric-detail {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.35;
}

.progress-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin: 0.2rem 0;
}

[data-theme="light"] .progress-bar-container {
  background: #e2e8f0;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s ease;
}

.purple-fill {
  background: linear-gradient(90deg, #6366f1, #a855f7);
}

.green-fill {
  background: linear-gradient(90deg, #34d399, #10b981);
}

.indigo-fill {
  background: linear-gradient(90deg, #8b5cf6, #6366f1);
}

/* Caja de Consejos y Pautas */
.tips-box {
  background: rgba(99, 102, 241, 0.08);
  border-left: 4px solid var(--primary-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
}

.tips-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.tips-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.tips-text {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Botones de Acción de Resultados */
.results-actions {
  display: grid;
  grid-template-columns: 1.4fr 1.2fr 0.9fr;
  gap: 0.7rem;
}

.action-btn-outline {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
}

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

/* ==========================================================================
   Tabla de Referencia OMS
   ========================================================================== */

.reference-section {
  padding: 1.8rem;
}

.reference-header {
  margin-bottom: 1.2rem;
}

.reference-title {
  font-size: 1.15rem;
  font-weight: 700;
}

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

.reference-table-wrapper {
  overflow-x: auto;
}

.reference-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.reference-table th {
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.reference-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
  transition: background 0.2s ease;
}

.reference-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.reference-table tr.active-row td {
  background: rgba(99, 102, 241, 0.12);
  font-weight: 700;
  color: var(--text-main);
}

.status-pill {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
}

.pill-under { background: rgba(56, 189, 248, 0.18); color: var(--color-underweight); }
.pill-normal { background: rgba(16, 185, 129, 0.18); color: var(--color-normal); }
.pill-athletic { background: rgba(139, 92, 246, 0.22); color: #a78bfa; }
.pill-fitness { background: rgba(14, 165, 233, 0.22); color: #38bdf8; }
.pill-over { background: rgba(245, 158, 11, 0.18); color: var(--color-overweight); }
.pill-obese1 { background: rgba(249, 115, 22, 0.18); color: var(--color-obese1); }
.pill-obese2 { background: rgba(239, 68, 68, 0.18); color: var(--color-obese2); }

.reference-note {
  margin-top: 1.2rem;
  padding: 0.9rem 1.2rem;
  background: rgba(139, 92, 246, 0.08);
  border-left: 3px solid #8b5cf6;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.note-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Footer */
.app-footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.84rem;
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.app-footer small {
  font-size: 0.75rem;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.8;
}

/* ==========================================================================
   Modal de Historial
   ========================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 1000;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
  animation: modalScale 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScale {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  padding: 1.3rem 1.6rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--primary-accent);
}

.modal-title-wrap h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.close-modal-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.close-modal-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.modal-body {
  padding: 1.2rem 1.6rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.history-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: all 0.2s ease;
}

[data-theme="light"] .history-item {
  background: #f8fafc;
}

.history-item:hover {
  border-color: var(--border-focus);
}

.history-info-left {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.history-date {
  font-size: 0.76rem;
  color: var(--text-dim);
}

.history-stats {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.history-stats strong {
  color: var(--text-main);
}

.history-info-right {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.history-imc-val {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
}

.delete-single-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: color 0.2s ease, background 0.2s ease;
}

.delete-single-btn:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.empty-history {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-dim);
}

.empty-history-icon {
  font-size: 2.5rem;
  margin-bottom: 0.6rem;
  display: block;
}

.modal-footer {
  padding: 1.1rem 1.6rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
}

.danger-btn {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #ef4444;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.danger-btn:hover {
  background: #ef4444;
  color: #ffffff;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-focus);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
  color: var(--text-main);
  padding: 0.85rem 1.3rem;
  border-radius: 30px;
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 10000;
  transform: translateY(0);
  opacity: 1;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.hidden, .modal-overlay.hidden, .hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(16px);
  display: none !important;
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

/* Tablet & Pantallas Medianas (≤ 980px) */
@media (max-width: 980px) {
  .main-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .card {
    padding: 1.8rem;
  }

  .results-actions {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

/* Tablets pequeñas y teléfonos grandes (≤ 768px) */
@media (max-width: 768px) {
  .app-header {
    margin-bottom: 1.4rem !important;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions .action-btn-pill {
    width: 100%;
    justify-content: center;
  }

  .spectrum-container {
    max-width: 100%;
    margin: 3.2rem auto 1.2rem;
  }
}

/* Móviles estándar (≤ 600px) */
@media (max-width: 600px) {
  .app-container,
  .suite-container {
    padding: 1rem 0.75rem 2.5rem;
  }

  .card {
    padding: 1.2rem 1rem;
    border-radius: var(--radius-md);
  }

  /* Encabezados de Sección */
  .section-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    margin-bottom: 1.2rem;
  }

  .section-title {
    font-size: 1.18rem;
  }

  .unit-toggle {
    width: 100%;
    box-sizing: border-box;
  }

  .unit-btn {
    flex: 1;
    text-align: center;
    padding: 0.5rem 0.4rem;
    font-size: 0.8rem;
    white-space: nowrap;
  }

  /* Hero Display IMC */
  .imc-number {
    font-size: 2.8rem;
  }

  .imc-hero-display {
    margin-bottom: 0.8rem;
  }

  /* Barra de Espectro IMC */
  .spectrum-container {
    margin: 3rem auto 1rem;
    padding: 0 4px;
    box-sizing: border-box;
  }

  .marker-bubble {
    font-size: 0.78rem;
    padding: 0.2rem 0.5rem;
  }

  .spectrum-bar {
    height: 16px;
    border-radius: 10px;
  }

  .tick-label {
    font-size: 0.7rem;
  }

  .spectrum-ticks .tick-label:first-child {
    transform: translateX(0);
  }

  .spectrum-ticks .tick-label:last-child {
    transform: translateX(-100%);
  }

  /* Textos de categoría bajo la barra */
  .desktop-cat-text {
    display: none;
  }

  .mobile-cat-text {
    display: inline;
  }

  .cat-pill {
    font-size: 0.62rem;
    letter-spacing: 0;
  }

  /* Grid de Métricas */
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .metric-card {
    padding: 0.9rem 1rem;
  }

  .metric-value {
    font-size: 1.18rem;
  }

  /* Botones de Acción de Resultados */
  .results-actions {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .action-btn-outline {
    width: 100%;
    min-height: 44px;
    padding: 0.65rem 1rem;
    font-size: 0.86rem;
    justify-content: center;
  }

  /* Panel Musculatura / Acordeón */
  .muscle-header-toggle {
    padding: 0.75rem 0.85rem;
    gap: 0.6rem;
  }

  .muscle-badge-icon {
    width: 34px;
    height: 34px;
    font-size: 1.15rem;
    border-radius: 8px;
  }

  .muscle-header-title {
    font-size: 0.85rem;
    line-height: 1.25;
  }

  .muscle-header-sub {
    font-size: 0.72rem;
  }

  .switch-toggle {
    width: 42px;
    height: 24px;
  }

  .switch-slider:before {
    height: 16px;
    width: 16px;
  }

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

  .muscle-panel-body {
    padding: 0.85rem 0.75rem;
  }

  .muscle-tab-selector {
    padding: 3px;
  }

  .muscle-tab-btn {
    padding: 0.45rem 0.5rem;
    font-size: 0.76rem;
  }

  /* Botones de acción formulario */
  .button-group {
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 1.4rem;
  }

  .primary-btn,
  .secondary-btn {
    width: 100%;
    min-height: 46px;
    padding: 0.85rem 1rem;
    font-size: 0.92rem;
    justify-content: center;
  }

  /* Sección de Referencia & Tabla OMS */
  .reference-section {
    padding: 1.25rem 0.95rem;
  }

  .science-box {
    padding: 0.9rem;
  }

  .science-text,
  .science-box ul {
    font-size: 0.82rem;
  }

  .science-box ul {
    margin-left: 1rem;
  }

  .reference-table th,
  .reference-table td {
    padding: 0.65rem 0.5rem;
    font-size: 0.78rem;
  }

  .status-pill {
    padding: 0.2rem 0.45rem;
    font-size: 0.72rem;
    white-space: nowrap;
  }

  .reference-note {
    padding: 0.8rem;
    font-size: 0.76rem;
  }

  /* Modal de Historial */
  .modal-overlay {
    padding: 0.75rem;
  }

  .modal-card {
    max-height: 92vh;
    border-radius: var(--radius-md);
  }

  .modal-header,
  .modal-footer {
    padding: 1rem 1.15rem;
  }

  .modal-body {
    padding: 1rem 1.15rem;
  }
}

/* Móviles compactos (≤ 480px) */
@media (max-width: 480px) {
  /* Selector de Género */
  .gender-btn {
    padding: 0.75rem 0.5rem;
    font-size: 0.86rem;
    gap: 0.45rem;
  }

  .gender-icon svg {
    width: 20px;
    height: 20px;
  }

  /* Sliders e Inputs Numéricos */
  .slider-row {
    gap: 0.65rem;
  }

  .custom-range {
    min-width: 0;
  }

  .number-input-box {
    width: auto;
    min-width: 80px;
    flex-shrink: 0;
  }

  .number-input-field {
    font-size: 0.88rem;
  }

  .stepper-controls {
    flex-shrink: 0;
  }

  .stepper-controls .number-input-field {
    width: 46px;
    padding: 0.5rem 0.2rem;
    font-size: 0.88rem;
  }

  .step-btn {
    width: 28px;
    height: 34px;
    font-size: 1rem;
  }

  .label-row {
    margin-bottom: 0.45rem;
  }

  .value-display {
    font-size: 0.95rem;
    padding: 0.15rem 0.5rem;
  }

  /* Selector de Nivel Atlético en Acordeón */
  .athlete-level-selector {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .athlete-level-btn {
    flex-direction: row;
    text-align: left;
    padding: 0.7rem 0.85rem;
    gap: 0.75rem;
    align-items: center;
  }

  .lvl-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
  }

  /* Ocultar tick de 16 para evitar colisión con 18.5 */
  .spectrum-ticks .tick-label:first-child {
    display: none;
  }
}

/* Pantallas muy estrechas (≤ 360px: Galaxy Z Fold, iPhone SE) */
@media (max-width: 360px) {
  .app-container,
  .suite-container {
    padding: 0.8rem 0.5rem 2rem;
  }

  .card {
    padding: 1rem 0.75rem;
  }

  .cat-pill {
    font-size: 0.54rem;
  }

  .number-input-box {
    width: auto;
    min-width: 72px;
  }

  .stepper-controls .number-input-field {
    width: 40px;
  }

  .step-btn {
    width: 26px;
    height: 32px;
  }

  .gender-text {
    font-size: 0.8rem;
  }
}

/* Estilos de Impresión Profesional */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .bg-glow, #confettiCanvas, .header-actions, .button-group, .results-actions, .app-footer small {
    display: none !important;
  }
  .card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    background: #ffffff !important;
  }
  .imc-number {
    -webkit-text-fill-color: #000000 !important;
    color: #000000 !important;
  }
}