/* ============================================================
   GREMCO — Calculadora de punto de equilibrio
   Styles v2.0 — Matches main GREMCO site design tokens
   ============================================================ */

#calculadora-app {
  --calc-orange: var(--gremco-orange, #E86A1A);
  --calc-orange-dark: var(--gremco-orange-dark, #C45510);
  --calc-orange-light: var(--gremco-orange-light, #F28C4E);
  --calc-navy: var(--gremco-navy, #0F2440);
  --calc-navy-deep: var(--gremco-navy-deep, #091828);
  --calc-navy-light: var(--gremco-navy-light, #1A3A5C);
  --calc-green: var(--gremco-green, #2ECC71);
  --calc-green-dark: var(--gremco-green-dark, #1FA855);
  --calc-text: var(--gremco-text, #0F172A);
  --calc-text-secondary: var(--gremco-text-secondary, #475569);
  --calc-text-muted: var(--gremco-text-muted, #94A3B8);
  --calc-surface: var(--gremco-surface, #FFFFFF);
  --calc-neutral: var(--gremco-neutral, #F1F5F9);
  --calc-border: var(--gremco-border, #E2E8F0);
  --calc-border-strong: var(--gremco-border-strong, #CBD5E1);
  --calc-error: var(--gremco-error, #DC2626);
  --calc-success: var(--gremco-success, #16A34A);
  --calc-radius-sm: var(--radius-sm, 4px);
  --calc-radius-md: var(--radius-md, 8px);
  --calc-radius-lg: var(--radius-lg, 12px);
  --calc-radius-xl: var(--radius-xl, 16px);

  /* Semáforo colors */
  --calc-rojo: #C0392B;
  --calc-rojo-bg: #FBEAE8;
  --calc-amarillo: #B8860B;
  --calc-amarillo-bg: #FDF3DC;
  --calc-verde: #1E7B4D;
  --calc-verde-bg: #E7F5EC;

  padding: 24px 0;
  font-family: var(--gremco-font-body, var(--font-body, 'Source Sans 3', sans-serif));
  color: var(--calc-text);
}

/* ===== BUTTONS ===== */
#calculadora-app .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm, 8px);
  font-family: var(--font-heading, 'Lexend', sans-serif);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--calc-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
              background-color 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
              border-color 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
              box-shadow 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
              color 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
  -webkit-tap-highlight-color: transparent;
  text-decoration: none;
  white-space: nowrap;
}

#calculadora-app .btn:active {
  transform: scale(0.97);
}

#calculadora-app .btn:focus-visible {
  outline: 2px solid var(--calc-orange);
  outline-offset: 2px;
}

#calculadora-app .btn-primary {
  background: var(--calc-orange);
  color: var(--calc-surface);
  border-color: var(--calc-orange);
}

@media (hover: hover) and (pointer: fine) {
  #calculadora-app .btn-primary:hover {
    background: var(--calc-orange-dark);
    border-color: var(--calc-orange-dark);
    transform: translateY(-1px);
  }
}

#calculadora-app .btn-secondary {
  background: var(--calc-surface);
  color: var(--calc-navy);
  border-color: var(--calc-border-strong);
}

@media (hover: hover) and (pointer: fine) {
  #calculadora-app .btn-secondary:hover {
    border-color: var(--calc-navy);
    background: var(--calc-navy);
    color: var(--calc-surface);
  }
}

#calculadora-app .btn-outline {
  background: transparent;
  color: var(--calc-surface);
  border-color: rgba(255, 255, 255, 0.4);
}

@media (hover: hover) and (pointer: fine) {
  #calculadora-app .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--calc-surface);
  }
}

#calculadora-app .btn-outline-dark {
  background: transparent;
  color: var(--calc-navy);
  border-color: var(--calc-border-strong);
}

@media (hover: hover) and (pointer: fine) {
  #calculadora-app .btn-outline-dark:hover {
    border-color: var(--calc-navy);
    background: var(--calc-navy);
    color: var(--calc-surface);
  }
}

#calculadora-app .btn-ghost {
  background: transparent;
  color: var(--calc-text-secondary);
  border: none;
  padding: 10px 16px;
}

@media (hover: hover) and (pointer: fine) {
  #calculadora-app .btn-ghost:hover {
    color: var(--calc-navy);
    background: var(--calc-neutral);
  }
}

#calculadora-app .btn-lg {
  padding: 18px 36px;
  font-size: 1.0625rem;
}

#calculadora-app .btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

#calculadora-app .btn-block {
  width: 100%;
}

/* ===== MAIN LAYOUT ===== */
#calculadora-app main {
  padding-bottom: 80px;
}

/* ===== CARDS ===== */
#calculadora-app .card {
  background: var(--calc-surface);
  border: 1px solid var(--calc-border);
  border-radius: var(--calc-radius-xl);
  padding: 32px;
  margin-bottom: 18px;
  transition: border-color 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
              box-shadow 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
              transform 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

@media (hover: hover) and (pointer: fine) {
  #calculadora-app .card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  }
}

#calculadora-app .card h2 {
  font-family: var(--font-heading, 'Lexend', sans-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--calc-navy);
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

#calculadora-app .card h2 .step-num {
  background: var(--calc-navy);
  color: var(--calc-surface);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body, 'Source Sans 3', sans-serif);
  flex-shrink: 0;
}

#calculadora-app .card .card-hint {
  font-size: 0.8125rem;
  color: var(--calc-text-secondary);
  margin: 0 0 18px;
}

/* ===== FORM GRID ===== */
#calculadora-app .form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
}

#calculadora-app .form-grid.single {
  grid-template-columns: 1fr;
}

/* ===== FIELDS ===== */
#calculadora-app .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#calculadora-app .field.full {
  grid-column: 1 / -1;
}

#calculadora-app .field label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--calc-text);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

#calculadora-app .field .field-help {
  font-size: 0.75rem;
  color: var(--calc-text-secondary);
  margin-top: -2px;
}

#calculadora-app .field input[type="text"],
#calculadora-app .field input[type="number"],
#calculadora-app .field select {
  border: 1.5px solid var(--calc-border);
  border-radius: var(--calc-radius-md);
  padding: 12px 14px;
  font-size: 1rem;
  font-family: var(--font-body, 'Source Sans 3', sans-serif);
  background: var(--calc-surface);
  color: var(--calc-text);
  min-height: 48px;
  width: 100%;
  transition: border-color 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
              box-shadow 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

#calculadora-app .field input:focus,
#calculadora-app .field select:focus {
  outline: none;
  border-color: var(--calc-orange);
  box-shadow: 0 0 0 3px rgba(232, 106, 26, 0.15);
}

#calculadora-app .field input.input-error {
  border-color: var(--calc-rojo);
}

#calculadora-app .field .error-msg {
  font-size: 0.75rem;
  color: var(--calc-rojo);
  display: none;
}

#calculadora-app .field.has-error .error-msg {
  display: block;
}

/* ===== INPUT SUFFIX ===== */
#calculadora-app .input-suffix-wrap {
  position: relative;
}

#calculadora-app .input-suffix-wrap input {
  padding-right: 44px;
}

#calculadora-app .input-suffix {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8125rem;
  color: var(--calc-text-secondary);
  pointer-events: none;
}

/* ===== TOGGLE / SWITCH ===== */
#calculadora-app .toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--calc-neutral);
  border-radius: var(--calc-radius-md);
  grid-column: 1 / -1;
}

#calculadora-app .toggle-row label {
  font-size: 0.9375rem;
  font-weight: 600;
}

#calculadora-app .switch {
  position: relative;
  width: 48px;
  height: 28px;
  flex-shrink: 0;
}

#calculadora-app .switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

#calculadora-app .switch .slider {
  position: absolute;
  inset: 0;
  background: var(--calc-text-muted);
  border-radius: var(--radius-full, 9999px);
  cursor: pointer;
  transition: background 150ms ease;
}

#calculadora-app .switch .slider::before {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  top: 3px;
  background: var(--calc-surface);
  border-radius: 50%;
  transition: transform 150ms ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

#calculadora-app .switch input:checked + .slider {
  background: var(--calc-orange);
}

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

/* ===== COLLAPSIBLE ===== */
#calculadora-app .collapsible {
  border: 1.5px dashed var(--calc-border);
  border-radius: var(--calc-radius-md);
  grid-column: 1 / -1;
  overflow: hidden;
}

#calculadora-app .collapsible-header {
  width: 100%;
  background: var(--calc-neutral);
  border: none;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--calc-navy);
  cursor: pointer;
  font-family: var(--font-heading, 'Lexend', sans-serif);
}

#calculadora-app .collapsible-header .chevron {
  transition: transform 150ms ease;
}

#calculadora-app .collapsible.open .collapsible-header .chevron {
  transform: rotate(180deg);
}

#calculadora-app .collapsible-body {
  display: none;
  padding: 16px 14px;
}

#calculadora-app .collapsible.open .collapsible-body {
  display: block;
}

/* ===== RADIO GROUP ===== */
#calculadora-app fieldset {
  border: none;
  margin: 0;
  padding: 0;
  grid-column: 1 / -1;
}

#calculadora-app .radio-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#calculadora-app .radio-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1.5px solid var(--calc-border);
  border-radius: var(--calc-radius-md);
  cursor: pointer;
  transition: border-color 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
              background 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

#calculadora-app .radio-option input {
  margin-top: 3px;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

#calculadora-app .radio-option:has(input:checked) {
  border-color: var(--calc-orange);
  background: #FFF7ED;
}

#calculadora-app .radio-option .opt-title {
  font-weight: 600;
  font-size: 0.9375rem;
}

#calculadora-app .radio-option .opt-desc {
  font-size: 0.75rem;
  color: var(--calc-text-secondary);
}

@media (max-width: 640px) {
  #calculadora-app .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== RESULTS SECTION ===== */
#calculadora-app .results-section {
  scroll-margin-top: 12px;
}

#calculadora-app .hero-result {
  border-radius: var(--calc-radius-xl);
  padding: 26px 20px;
  text-align: center;
  color: var(--calc-surface);
  background: linear-gradient(135deg, var(--calc-navy), var(--calc-navy-deep));
  margin-bottom: 16px;
}

#calculadora-app .hero-result .eyebrow {
  font-size: 0.75rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 6px;
}

#calculadora-app .hero-result h3 {
  font-family: var(--font-heading, 'Lexend', sans-serif);
  font-size: clamp(1.25rem, 5vw, 1.75rem);
  font-weight: 700;
  margin: 0 0 10px;
  line-height: 1.3;
}

#calculadora-app .hero-result h3 b {
  color: var(--calc-orange);
}

#calculadora-app .hero-result .flow-line {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
}

#calculadora-app .hero-result .flow-line b {
  color: var(--calc-surface);
}

/* ===== SEMAFORO ===== */
#calculadora-app .semaforo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: var(--calc-radius-md);
  margin-bottom: 16px;
  border: 1.5px solid transparent;
  transition: background 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
              border-color 200ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

#calculadora-app .semaforo.rojo {
  background: var(--calc-rojo-bg);
  border-color: var(--calc-rojo);
}

#calculadora-app .semaforo.amarillo {
  background: var(--calc-amarillo-bg);
  border-color: var(--calc-amarillo);
}

#calculadora-app .semaforo.verde {
  background: var(--calc-verde-bg);
  border-color: var(--calc-verde);
}

#calculadora-app .semaforo .dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
}

#calculadora-app .semaforo.rojo .dot {
  background: var(--calc-rojo);
}

#calculadora-app .semaforo.amarillo .dot {
  background: var(--calc-amarillo);
}

#calculadora-app .semaforo.verde .dot {
  background: var(--calc-verde);
}

#calculadora-app .semaforo .txt {
  font-size: 0.9375rem;
  font-weight: 600;
}

#calculadora-app .semaforo.rojo .txt {
  color: var(--calc-rojo);
}

#calculadora-app .semaforo.amarillo .txt {
  color: var(--calc-amarillo);
}

#calculadora-app .semaforo.verde .txt {
  color: var(--calc-verde);
}

#calculadora-app .semaforo .icon {
  font-size: 20px;
  flex-shrink: 0;
}

/* ===== METRICS GRID ===== */
#calculadora-app .metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

#calculadora-app .metric {
  background: var(--calc-surface);
  border-radius: var(--calc-radius-md);
  padding: 14px;
  border: 1px solid var(--calc-border);
}

#calculadora-app .metric .m-label {
  font-size: 0.6875rem;
  color: var(--calc-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 4px;
}

#calculadora-app .metric .m-value {
  font-family: var(--font-heading, 'Lexend', sans-serif);
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--calc-navy);
}

#calculadora-app .metric .m-value.negative {
  color: var(--calc-rojo);
}

#calculadora-app .metric .m-value.positive {
  color: var(--calc-verde);
}

#calculadora-app .metric.wide {
  grid-column: 1 / -1;
}

/* ===== CHART ===== */
#calculadora-app .chart-wrap {
  background: var(--calc-surface);
  border-radius: var(--calc-radius-md);
  border: 1px solid var(--calc-border);
  padding: 14px;
  margin-bottom: 16px;
}

#calculadora-app .chart-wrap h4 {
  margin: 0 0 10px;
  font-family: var(--font-heading, 'Lexend', sans-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--calc-navy);
}

#calculadora-app .chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.75rem;
  color: var(--calc-text-secondary);
  margin-top: 8px;
}

#calculadora-app .chart-legend .lg {
  display: flex;
  align-items: center;
  gap: 6px;
}

#calculadora-app .chart-legend .swatch {
  width: 14px;
  height: 4px;
  border-radius: 2px;
}

/* ===== ACTIONS GRID ===== */
#calculadora-app .actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 20px;
}

#calculadora-app .actions-grid .btn {
  grid-column: span 1;
}

#calculadora-app .actions-grid .full-span {
  grid-column: 1 / -1;
}

@media (max-width: 480px) {
  #calculadora-app .actions-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== DISCLAIMER ===== */
#calculadora-app .disclaimer {
  font-size: 0.75rem;
  color: var(--calc-text-secondary);
  background: var(--calc-neutral);
  border-left: 4px solid var(--calc-orange);
  padding: 12px 14px;
  border-radius: 0 var(--calc-radius-md) var(--calc-radius-md) 0;
  margin: 18px 0;
}

/* ===== LIFECYCLE RESULTS ===== */
#calculadora-app .lifecycle-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

@media (max-width: 480px) {
  #calculadora-app .lifecycle-results {
    grid-template-columns: 1fr;
  }
}

/* ===== CONTACT CARD ===== */
#calculadora-app .contact-card {
  display: none;
}

#calculadora-app .contact-card.show {
  display: block;
  background: var(--calc-surface);
  border: 1px solid var(--calc-border);
  border-radius: var(--calc-radius-xl);
  padding: 32px;
}

#calculadora-app .contact-card h2 {
  font-family: var(--font-heading, 'Lexend', sans-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--calc-navy);
  margin-bottom: var(--space-md, 16px);
}

/* ===== CHECKBOX ROW ===== */
#calculadora-app .checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--calc-text-secondary);
  margin: 12px 0;
}

#calculadora-app .checkbox-row input {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

#calculadora-app .checkbox-row a {
  color: var(--calc-orange);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
  #calculadora-app .checkbox-row a:hover {
    color: var(--calc-orange-dark);
  }
}

/* ===== UTILITIES ===== */
#calculadora-app .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#calculadora-app .text-center {
  text-align: center;
}

#calculadora-app .small-note {
  font-size: 0.75rem;
  color: var(--calc-text-secondary);
}

/* ===== PRINT ===== */
@media print {
  #calculadora-app #calcForm,
  #calculadora-app .actions-grid,
  #calculadora-app .contact-card {
    display: none !important;
  }

  #calculadora-app main {
    padding-bottom: 0;
  }

  #calculadora-app .card,
  #calculadora-app .metric,
  #calculadora-app .chart-wrap {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  #calculadora-app .hero-result {
    background: var(--calc-surface) !important;
    color: var(--calc-text) !important;
    border: 2px solid var(--calc-navy);
  }

  #calculadora-app .hero-result h3 b,
  #calculadora-app .hero-result .flow-line b {
    color: var(--calc-navy) !important;
  }

  #calculadora-app a[href]::after {
    content: none !important;
  }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  #calculadora-app,
  #calculadora-app *,
  #calculadora-app *::before,
  #calculadora-app *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}