/* ============================================================
   CPCE MENDOZA — Simulador de Aranceles
   Design System: Institucional · Moderno
   Developer: Diego Moreno Rico
   Paleta: Azul CPCE #1a5fa8 / Azul claro #337ab7 / Blanco
   Tipografía: Poppins (display + body)
   ============================================================ */

/* ── Reset & Variables ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue-deep:    #0d3d6e;
  --blue-main:    #1a5fa8;
  --blue-mid:     #2472c0;
  --blue-bright:  #337ab7;
  --blue-light:   #e8f1fa;
  --blue-pale:    #f0f6ff;

  --gold:         #c8972a;
  --gold-light:   #f5e9cc;

  --text-dark:    #0f2137;
  --text-mid:     #2d4a6a;
  --text-muted:   #5a7a99;
  --text-subtle:  #8aa5be;

  --white:        #ffffff;
  --surface:      #f7fafd;
  --border:       #d0e0f0;
  --border-light: #e8f0f8;

  --success:      #1d8a4e;
  --error:        #c0392b;
  --warning:      #d4850a;

  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    16px;
  --radius-xl:    22px;

  --shadow-sm:    0 1px 3px rgba(13,61,110,0.08), 0 1px 2px rgba(13,61,110,0.05);
  --shadow-md:    0 4px 16px rgba(13,61,110,0.12), 0 1px 4px rgba(13,61,110,0.06);
  --shadow-lg:    0 12px 40px rgba(13,61,110,0.18), 0 2px 8px rgba(13,61,110,0.08);
  --shadow-card:  0 2px 4px rgba(13,61,110,0.06), 0 8px 32px rgba(13,61,110,0.14);

  --font-display: 'Poppins', Arial, sans-serif;
  --font-body:    'Poppins', Arial, sans-serif;

  --transition:   0.18s ease;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  /* iOS Safari: prevent font inflation on orientation change */
  text-size-adjust: 100%;
  /* Ensure full height accounts for dynamic browser chrome */
  height: -webkit-fill-available;
}

body {
  font-family: var(--font-body);
  background-color: var(--blue-deep);
  color: var(--text-dark);
  /* Fallback for browsers without dvh support */
  min-height: 100vh;
  /* dvh accounts for iOS Safari's collapsible browser chrome */
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  /* Prevent horizontal scroll from decorative elements */
  overflow-x: hidden;
  /* Allow vertical scroll when content exceeds viewport */
  overflow-y: auto;
  position: relative;
}

/* ── Fondo decorativo ── */
.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
}

.bg-circle--1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--blue-bright) 0%, transparent 70%);
  top: -200px; right: -150px;
}

.bg-circle--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #0a2a50 0%, transparent 70%);
  bottom: -150px; left: -100px;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── Shell (layout wrapper) ── */
.shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── Header institucional ── */
.app-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 4px 20px;
}

.logo-link { display: flex; align-items: center; flex-shrink: 0; }

.logo-img {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.95;
  transition: opacity var(--transition);
}

.logo-link:hover .logo-img { opacity: 1; }

.header-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.25);
  flex-shrink: 0;
}

.header-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.header-title__sup {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  line-height: 1;
}

.header-title__main {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ── Tarjeta principal ── */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}

/* Borde superior con gradiente institucional */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-deep) 0%, var(--blue-main) 40%, var(--blue-bright) 70%, var(--gold) 100%);
  z-index: 2;
}

/* ── Barra de progreso ── */
.progress-bar {
  height: 3px;
  background: var(--border-light);
  position: relative;
  margin-top: 3px;
}

.progress-bar__fill {
  height: 100%;
  background: var(--blue-main);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  width: 33%;
}

/* ── Pantallas ── */
.screen {
  padding: 32px 36px;
  animation: screenIn 0.25s ease;
}

@keyframes screenIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.screen__header {
  margin-bottom: 28px;
}

/* ── Step badge ── */
.step-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-main);
  background: var(--blue-pale);
  border: 1px solid var(--blue-light);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 12px;
}

.step-badge--warning {
  color: var(--warning);
  background: #fff8ec;
  border-color: #f5e2b0;
}

.step-badge--success {
  color: var(--success);
  background: #edfaf3;
  border-color: #b3e6cc;
}

.screen__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.screen__desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Formularios ── */
.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ── Fields ── */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-mid);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 5px;
}

.field__label-icon {
  font-size: 15px;
  color: var(--blue-bright);
  font-style: normal;
  line-height: 1;
}

/* ── Select ── */
.select-wrapper {
  position: relative;
}

.field__select {
  width: 100%;
  padding: 13px 44px 13px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--text-dark);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.field__select:focus {
  outline: none;
  border-color: var(--blue-main);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(26,95,168,0.12);
}

.field__select:hover:not(:focus) { border-color: var(--blue-bright); }

.select-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
  display: flex;
}

/* ── Text inputs ── */
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  pointer-events: none;
  user-select: none;
  line-height: 1;
}

.input-prefix--icon {
  left: 13px;
  color: var(--blue-main);
  opacity: 0.7;
}

.field__input {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  color: var(--text-dark);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.field__input--prefixed { padding-left: 32px; }

.field__input:focus {
  outline: none;
  border-color: var(--blue-main);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(26,95,168,0.12);
}

.field__input:hover:not(:focus) { border-color: var(--blue-bright); }
.field__input::placeholder { color: var(--text-subtle); }

/* ── Grid de inputs ── */
.inputs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

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

/* ── Toggle card (checkbox prioritario) ── */
.toggle-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.toggle-card:hover { border-color: var(--blue-bright); background: var(--blue-pale); }

.toggle-card__content {
  display: flex;
  align-items: center;
  gap: 14px;
}

.toggle-card__icon {
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
}

.toggle-card__title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
}

.toggle-card__desc {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Toggle switch */
.toggle-input { display: none; }
.toggle-track {
  display: block;
  width: 44px; height: 24px;
  border-radius: 999px;
  background: var(--border);
  position: relative;
  transition: background var(--transition);
  flex-shrink: 0;
  cursor: pointer;
}
.toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform var(--transition);
}
.toggle-input:checked ~ .toggle-track { background: var(--blue-main); }
.toggle-input:checked ~ .toggle-track .toggle-thumb { transform: translateX(20px); }

/* Needed for the DOM structure */
.toggle-card__switch { display: flex; align-items: center; }

/* ── Radio cards ── */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

.radio-card:hover { border-color: var(--blue-bright); background: var(--blue-pale); }

.radio-input { display: none; }

.radio-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.radio-card__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.2;
}

.radio-card__desc {
  font-size: 13px;
  color: var(--text-muted);
}

.radio-card__check {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), background var(--transition);
  background: var(--white);
}

.radio-card__check::after {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--white);
  opacity: 0;
  transition: opacity var(--transition);
}

.radio-input:checked + .radio-card__body + .radio-card__check,
.radio-input:checked ~ .radio-card__check {
  border-color: var(--blue-main);
  background: var(--blue-main);
}

.radio-card:has(.radio-input:checked) {
  border-color: var(--blue-main);
  background: var(--blue-pale);
}

.radio-input:checked ~ .radio-card__check::after { opacity: 1; }

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 24px;
  border-radius: var(--radius-md);
  border: none;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition), color var(--transition), border-color var(--transition);
  line-height: 1;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn--full { width: 100%; }

.btn__icon { flex-shrink: 0; }
.btn__icon--left { margin-right: 0; }

/* Primary */
.btn--primary {
  background: var(--blue-main);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(26,95,168,0.3);
}
.btn--primary:hover {
  background: var(--blue-deep);
  box-shadow: 0 4px 16px rgba(26,95,168,0.4);
}

/* Secondary */
.btn--secondary {
  background: var(--blue-light);
  color: var(--blue-main);
  border: 1.5px solid var(--blue-light);
}
.btn--secondary:hover {
  background: #d0e5f7;
  border-color: #b0cee8;
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover {
  background: var(--surface);
  border-color: var(--text-subtle);
  color: var(--text-dark);
}

.btn-group {
  display: flex;
  gap: 10px;
}

.btn-group .btn { flex: 1; }

/* ── Info list (pantalla prioridad) ── */
.info-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--blue-pale);
  border-left: 3px solid var(--blue-bright);
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.5;
}

.info-item__icon {
  font-size: 16px;
  line-height: 1.4;
  flex-shrink: 0;
}

/* ── CAM Links ── */
.cam-links {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 20px;
}

.cam-links__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.cam-links__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.cam-link {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 1px solid var(--border-light);
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-main);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition);
}

.cam-link:hover {
  background: var(--blue-pale);
  border-color: var(--blue-light);
}

.cam-links__hours {
  font-size: 12px;
  color: var(--text-subtle);
  text-align: center;
  margin: 0;
}

/* ── Resultado ── */
.resultado {
  margin-top: 24px;
}

.resultado-card {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-main) 100%);
  border-radius: var(--radius-lg);
  padding: 28px;
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.resultado-card::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.resultado-card__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 6px;
  display: block;
}

.resultado-card__value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  display: block;
  margin-bottom: 4px;
}

.resultado-card__sub {
  font-size: 13px;
  opacity: 0.7;
  display: block;
}

.resultado-divider {
  height: 1px;
  background: rgba(255,255,255,0.15);
  margin: 16px 0;
}

.resultado-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.resultado-row__label { opacity: 0.75; }
.resultado-row__val { font-weight: 700; }

.resultado-note {
  background: var(--blue-pale);
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 14px;
}

.resultado-note strong { color: var(--blue-main); }

.resultado-tramites {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}

.resultado-tramites__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.resultado-tramites__list li {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  color: var(--text-mid);
  font-weight: 600;
}

.btn-micuenta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1.5px solid var(--border);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-main);
  text-decoration: none;
  transition: all var(--transition);
  margin-bottom: 14px;
}

.btn-micuenta:hover {
  background: var(--blue-pale);
  border-color: var(--blue-bright);
  box-shadow: var(--shadow-sm);
}

.resultado-simple-card {
  background: var(--blue-pale);
  border: 1.5px solid var(--blue-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  margin-bottom: 16px;
}

.resultado-simple-card__tramite {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.resultado-simple-card__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.resultado-simple-card__price-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.resultado-simple-card__price {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  color: var(--blue-main);
  letter-spacing: -0.02em;
  line-height: 1;
}

/* ── Acciones ── */
.action-row {
  display: flex;
  gap: 10px;
}

.action-row .btn { flex: 1; }

/* ── Footer ── */
.app-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 4px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  flex-wrap: wrap;
}

.app-footer a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color var(--transition);
}

.app-footer a:hover { color: var(--white); }
.footer-sep { opacity: 0.4; }

/* ── Modal de email ── */
#emailModalOverlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(8, 24, 48, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 20px;
  animation: overlayIn 0.2s ease;
}

@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

#emailModal {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.1);
  animation: modalIn 0.28s cubic-bezier(0.34, 1.4, 0.64, 1);
  overflow: hidden;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 28px 28px 20px;
  border-bottom: 1px solid var(--border-light);
}

.modal-icon {
  width: 46px; height: 46px;
  border-radius: var(--radius-md);
  background: var(--blue-pale);
  border: 1px solid var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-main);
  flex-shrink: 0;
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 3px;
  letter-spacing: 0;
}

.modal-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

.modal-body {
  padding: 20px 28px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-body .field__label {
  margin-bottom: 2px;
}

.field-error {
  display: block;
  font-size: 12px;
  color: var(--error);
  min-height: 16px;
  font-weight: 400;
  padding: 2px 0 6px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  padding: 20px 28px 24px;
}

.modal-actions .btn { flex: 1; }

/* ── Notificaciones toast ── */
.notificacion {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  z-index: 2000;
  box-shadow: 0 4px 20px rgba(0,0,0,0.22);
  animation: toastIn 0.3s cubic-bezier(0.34, 1.4, 0.64, 1);
  max-width: 90vw;
  text-align: center;
  white-space: nowrap;
  pointer-events: none;
}

.notificacion--success { background: var(--success); }
.notificacion--error   { background: var(--error); }
.notificacion--info    { background: var(--blue-main); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px) scale(0.95); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}

/* ── Loader ── */
#mailLoader {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 14px;
  background: rgba(8,24,48,0.6);
  backdrop-filter: blur(6px);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  z-index: 1500;
}

.loader-spinner {
  width: 36px; height: 36px;
  border: 3px solid rgba(255,255,255,0.2);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 600px) {
  body { padding: 16px; align-items: flex-start; }

  .app-header { padding-bottom: 14px; }
  .logo-img { height: 38px; }
  .header-title__main { font-size: 15px; }
  .header-title__sup { font-size: 10px; }

  .screen { padding: 24px 20px; }
  .screen__title { font-size: 19px; }

  .inputs-grid { grid-template-columns: 1fr; }
  .field--full { grid-column: 1; }

  .cam-links__grid { grid-template-columns: 1fr; }

  .resultado-card__value { font-size: 28px; }
  .resultado-simple-card__price { font-size: 34px; }

  .btn-group { flex-direction: column; }

  .action-row { flex-direction: column; }
}

@media (max-width: 400px) {
  .header-divider,
  .header-title__sup { display: none; }
}

/* ── iOS Safari specific fixes ── */

/* Use safe-area-inset for notched devices (iPhone X+) */
@supports (padding: env(safe-area-inset-bottom)) {
  body {
    padding-bottom: calc(20px + env(safe-area-inset-bottom));
    padding-left:   calc(20px + env(safe-area-inset-left));
    padding-right:  calc(20px + env(safe-area-inset-right));
  }

  @media (max-width: 600px) {
    body {
      padding-bottom: calc(16px + env(safe-area-inset-bottom));
      padding-left:   calc(16px + env(safe-area-inset-left));
      padding-right:  calc(16px + env(safe-area-inset-right));
    }
  }
}

/* Prevent iOS Safari from zooming in on select/input focus (font-size must be >= 16px) */
@media (max-width: 600px) {
  .field__select,
  .field__input,
  #emailInput {
    font-size: 16px;
  }
}

/* Fix iOS momentum scrolling on the card */
.card {
  -webkit-overflow-scrolling: touch;
}

/* Fix tap highlight on interactive elements (iOS default is grey flash) */
.btn,
.toggle-card,
.radio-card,
.cam-link {
  -webkit-tap-highlight-color: transparent;
}

/* Prevent double-tap zoom on buttons */
.btn {
  touch-action: manipulation;
}