/* Estilos específicos para las calculadoras */
:root {
  --calc-bg: #f0f4f8;
  --calc-surface: #ffffff;
  --calc-border: #e2e8f0;
  
  --c-primary: #3472B5;
  --c-accent: #5a9bd5;
  --c-warning: #d4a647;
  --c-danger: #c95c47;
  --c-info: #2a5a8f;
  --c-deep: #152238;
  --c-muted: #5a6577;
}

body.calc-page {
  background: var(--calc-bg);
}

.calc-container {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

/* Header */
.calc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.calc-back-btn {
  width: 40px; height: 40px;
  border-radius: 16px;
  background: var(--calc-surface);
  box-shadow: var(--shadow-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-deep);
  transition: transform 0.2s;
}
.calc-back-btn:active { transform: scale(0.95); }
.calc-header-title { flex: 1; }
.calc-header-title span {
  display: block;
  font-size: 10px; font-family: monospace; font-weight: 600;
  letter-spacing: 0.2em; color: var(--c-muted); text-transform: uppercase;
}
.calc-header-title h1 {
  font-size: 18px; font-weight: 700; color: var(--c-deep); margin: 0;
}
.calc-header-icon {
  width: 40px; height: 40px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  box-shadow: var(--shadow-soft);
}
.bg-primary { background: var(--c-primary); }
.bg-accent { background: var(--c-accent); }

/* Secciones */
.calc-section-title {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 12px; padding: 0 4px;
}
.calc-section-title i {
  color: var(--c-primary);
  width: 16px; height: 16px;
}
.calc-section-title h2 {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--c-deep); margin: 0;
}

/* Cards */
.calc-card {
  background: var(--calc-surface);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  padding: 16px;
  margin-bottom: 16px;
  display: flex; flex-direction: column; gap: 16px;
}

/* Inputs */
.calc-field {
  display: block;
}
.calc-field-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600; color: var(--c-muted);
  margin-bottom: 6px; padding: 0 4px;
}
.calc-input-wrapper {
  position: relative;
}
.calc-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--calc-bg);
  border: 2px solid transparent;
  border-radius: 16px;
  font-size: 16px; font-weight: 700; color: var(--c-deep);
  font-family: inherit;
  transition: all 0.2s;
  appearance: none;
}
.calc-input:focus {
  outline: none;
  border-color: var(--c-primary);
  background: var(--calc-surface);
}
.calc-input-select {
  font-size: 14px;
  font-weight: 600;
  padding-right: 36px;
  cursor: pointer;
}
.calc-select-icon {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  color: var(--c-muted); pointer-events: none; width: 16px; height: 16px;
}
.calc-field-hint {
  font-size: 11px; color: var(--c-muted); margin-top: 6px; padding: 0 4px;
  line-height: 1.4;
}

/* Grillas */
.calc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }

/* Botones de opción (Toggle) */
.calc-toggle {
  padding: 10px;
  border-radius: 16px;
  font-weight: 600; font-size: 13px; text-align: center;
  background: var(--calc-bg); color: var(--c-muted);
  transition: all 0.2s;
  cursor: pointer;
}
.calc-toggle.active {
  background: var(--c-primary); color: white; box-shadow: var(--shadow-soft);
}
.calc-toggle-accent.active {
  background: var(--c-accent); color: white;
}

/* Resultados & Métricas */
.metric-card {
  background: var(--calc-surface);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  padding: 12px;
  position: relative;
  overflow: hidden;
}
.metric-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
}
.metric-card.color-primary::before { background: var(--c-primary); }
.metric-card.color-accent::before { background: var(--c-accent); }
.metric-card.color-info::before { background: var(--c-info); }
.metric-card.color-warning::before { background: var(--c-warning); }
.metric-card.color-danger::before { background: var(--c-danger); }

.metric-label { font-size: 10px; font-family: monospace; text-transform: uppercase; color: var(--c-muted); }
.metric-value-wrap { display: flex; align-items: baseline; gap: 4px; margin-top: 4px; }
.metric-value { font-size: 24px; font-weight: 700; }
.metric-unit { font-size: 12px; color: var(--c-muted); }
.metric-sub { font-size: 10px; color: var(--c-muted); margin-top: 4px; }

.text-primary { color: var(--c-primary); }
.text-accent { color: var(--c-accent); }
.text-info { color: var(--c-info); }
.text-warning { color: var(--c-warning); }
.text-danger { color: var(--c-danger); }
.text-deep { color: var(--c-deep); }
.text-muted { color: var(--c-muted); }

/* SVG Container */
.svg-container {
  background: var(--calc-bg);
  border-radius: 16px;
  padding: 16px;
}
.svg-label {
  font-size: 10px; font-family: monospace; color: var(--c-muted);
  letter-spacing: 0.1em; margin-bottom: 8px;
}
.svg-content { width: 100%; display: block; }

/* Riesgo Card (Bebederos) */
.risk-card {
  border-radius: 24px; border: 2px solid; padding: 20px; margin-bottom: 16px;
}
.risk-card.bg-accent-10 { background: rgba(90, 155, 213, 0.1); border-color: var(--c-accent); }
.risk-card.bg-warning-10 { background: rgba(212, 166, 71, 0.1); border-color: var(--c-warning); }
.risk-card.bg-danger-10 { background: rgba(201, 92, 71, 0.1); border-color: var(--c-danger); }
.risk-card.bg-orange-10 { background: rgba(255, 140, 66, 0.15); border-color: #ff8c42; }

/* Barra progreso */
.progress-bg { height: 8px; background: rgba(255,255,255,0.6); border-radius: 4px; overflow: hidden; margin-top: 12px; }
.progress-fill { height: 100%; transition: width 0.5s ease; border-radius: 4px; }

/* Económico */
.economic-card {
  border-radius: 24px; padding: 20px; margin-bottom: 16px; color: white;
  background: linear-gradient(135deg, var(--c-danger), #a33827);
  box-shadow: var(--shadow-card);
}
.economic-card.caminata {
  background: linear-gradient(135deg, var(--c-deep), #0a1220);
}
.breakdown-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.15);
}
.breakdown-row:last-child { border-bottom: none; }

/* Mapa Caminata */
.map-container {
  position: relative; width: 100%; border-radius: 16px; overflow: hidden;
  border: 2px solid var(--calc-border); cursor: crosshair;
}

/* Helpers */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.w-full { width: 100%; }

/* Ocultar flechas numéricas */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }

/* Detalles / Info */
details { background: var(--calc-surface); border-radius: 24px; margin-bottom: 16px; box-shadow: var(--shadow-soft); }
summary { padding: 20px; font-weight: 600; font-size: 14px; color: var(--c-deep); cursor: pointer; display: flex; align-items: center; gap: 8px; list-style: none; }
summary::-webkit-details-marker { display: none; }
.details-content { padding: 0 20px 20px; font-size: 12px; color: var(--c-muted); line-height: 1.6; }