/* ================================================================
   Nortene — Configurador de Paneles de Ocultación
   Paleta corporativa:
   · Verde oscuro   Pantone 343 C  #004A30
   · Verde lima     Pantone 381 C  #BECB19
   · Amarillo       Pantone 102 C  #FCE000
   · Naranja acento                #E65D26
   ================================================================ */

:root {
  --color-brand-green: #004A30;
  --color-brand-lime: #BECB19;
  --color-brand-lime-soft: #DAE56A;
  --color-brand-yellow: #FCE000;
  --color-brand-orange: #E65D26;

  --color-primary: var(--color-brand-green);
  --color-primary-light: var(--color-brand-lime-soft);
  --color-primary-dark: #00331F;
  --color-accent: var(--color-brand-lime);
  --color-dark: var(--color-brand-green);
  --color-bg: #F4F6F0;
  --color-surface: #ffffff;
  --color-text: #1F2A24;
  --color-text-secondary: #6B7A72;
  --color-border: #E3E8DF;
  --color-error: #dc3545;
  --color-warning: var(--color-brand-orange);
  --color-footer-bg: var(--color-brand-green);
  --color-footer-text: #EAF2E6;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.10);
  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.2s ease;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

#app {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ══════════════════════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════════════════════ */
.header {
  background: var(--color-surface);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 100;
  height: 64px;
  flex-shrink: 0;
  border-bottom: 3px solid var(--color-primary);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.header__logo-img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 1px 1px rgba(0,74,48,0.08));
}

.header__claim {
  font-family: 'Homemade Apple', cursive;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-brand-green);
  white-space: nowrap;
  line-height: 1;
  padding-top: 4px;
}

.header__subtitle {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-left: 1px solid var(--color-border);
  padding-left: 12px;
}

.header__nav {
  display: flex;
  gap: 2px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: none;
  background: transparent;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.tab-btn:hover { color: var(--color-text); }

.tab-btn.active {
  background: var(--color-surface);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

/* ══════════════════════════════════════════════════════════════
   PANELS
   ══════════════════════════════════════════════════════════════ */
.panel { display: none; flex: 1; min-height: 0; overflow: hidden; }
.panel.active { display: flex; }

/* ══════════════════════════════════════════════════════════════
   CHAT MODE
   ══════════════════════════════════════════════════════════════ */
.chat {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.chat__messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
}

.chat__message {
  max-width: 480px;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  line-height: 1.55;
  animation: messageIn 0.25s ease;
  word-break: break-word;
}

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

.chat__message--bot {
  align-self: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 4px;
}

.chat__message--user {
  align-self: flex-end;
  background: var(--color-dark);
  color: white;
  border-bottom-right-radius: 4px;
}

.chat__message--result {
  align-self: flex-start;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  max-width: 680px;
  padding: 20px;
}

.chat__input-area {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 12px 32px 14px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.chat__input-area > * {
  width: 100%;
  max-width: 800px;
}

.chat__options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.chat__options:empty { display: none; }

.chat__option-btn {
  padding: 8px 18px;
  border: 1.5px solid var(--color-primary);
  background: transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  cursor: pointer;
  transition: all var(--transition);
  min-height: 38px;
  display: flex;
  align-items: center;
}

.chat__option-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.chat__input-row {
  display: flex;
  gap: 8px;
}

.chat__input {
  flex: 1;
  padding: 10px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color var(--transition);
  min-height: 44px;
}

.chat__input:focus { border-color: var(--color-primary); }

.chat__send-btn {
  width: 44px;
  height: 44px;
  border: none;
  background: var(--color-dark);
  color: white;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  flex-shrink: 0;
}

.chat__send-btn:hover { background: var(--color-primary-dark); }

.chat__progress {
  margin-top: 10px;
  height: 3px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
}

.chat__progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  width: 0%;
  transition: width 0.4s ease;
}

/* ══════════════════════════════════════════════════════════════
   FORM MODE — Layout de dos paneles
   ══════════════════════════════════════════════════════════════ */
.panel--form {
  padding: 24px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  justify-content: center;
  align-items: center;
}

/* Sin resultado: centrado. Con resultado: lado a lado */
.form-layout {
  display: flex;
  justify-content: center;
  gap: 24px;
  width: 100%;
  max-width: 600px;
  margin: auto;
  align-items: flex-start;
  flex-shrink: 0;
  transition: max-width 0.3s ease;
}

.form-layout.has-resultado {
  max-width: 1100px;
}

.form-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  box-shadow: var(--shadow-lg);
  position: relative;
  width: 100%;
  flex-shrink: 0;
  transition: width 0.3s ease;
  border-top: 4px solid var(--color-primary);
}

.form-layout.has-resultado .form-card {
  width: 460px;
}

.resultado-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 32px 36px;
  box-shadow: var(--shadow-lg);
  flex: 1;
  min-width: 0;
  border-top: 4px solid var(--color-primary);
}

.form__title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-dark);
}

.form__desc {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  margin-bottom: 28px;
}

.calc-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

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

.form-group select,
.form-group input {
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9375rem;
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  transition: all var(--transition);
  min-height: 46px;
  -webkit-appearance: none;
}

.form-group select:hover,
.form-group input:hover {
  border-color: var(--color-primary-light);
}

.form-group select:focus,
.form-group input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(190,203,25,0.25);
}

.form-group select:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-hint {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  padding: 13px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 48px;
  width: 100%;
  grid-column: 1 / -1;
}

.btn--primary {
  background: var(--color-brand-lime);
  color: var(--color-brand-green);
  border: 2px solid var(--color-brand-green);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.btn--primary:hover {
  background: var(--color-brand-green);
  color: var(--color-brand-lime);
  box-shadow: 0 6px 18px rgba(0,74,48,0.25);
}

/* ══════════════════════════════════════════════════════════════
   RESULTADO
   ══════════════════════════════════════════════════════════════ */
.resultado {
  padding: 0;
}

.resultado__header {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.resultado__params {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr;
  gap: 6px 14px;
  margin-bottom: 16px;
  font-size: 0.8125rem;
}

.resultado__param-label {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.resultado__param-value {
  font-weight: 600;
}

.resultado__table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.resultado__table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
  font-size: 0.8125rem;
}

.resultado__table th {
  text-align: left;
  padding: 8px 10px;
  background: var(--color-bg);
  font-weight: 600;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-secondary);
}

.resultado__table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.resultado__table tr:last-child td { border-bottom: none; }

.resultado__table .qty {
  font-weight: 700;
  color: var(--color-primary-dark);
  font-size: 1rem;
  white-space: nowrap;
}

.resultado__table .unit {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  white-space: nowrap;
}

.resultado__table .price {
  white-space: nowrap;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.resultado__hero {
  display: flex;
  gap: 18px;
  align-items: stretch;
  margin-bottom: 18px;
  padding: 14px;
  background: linear-gradient(135deg, var(--color-bg) 0%, #fff 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 10px);
}

.resultado__hero-media {
  flex: 0 0 128px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.resultado__hero-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.resultado__hero-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-bg);
  text-transform: uppercase;
}

.resultado__hero-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.resultado__hero-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}

.resultado__hero-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.15;
  text-transform: capitalize;
}

.resultado__hero-subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  text-transform: capitalize;
  margin-bottom: 6px;
}

.resultado__hero-specs {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 0;
  font-size: 0.75rem;
}

.resultado__hero-specs > div {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.resultado__hero-specs dt {
  font-size: 0.6875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}

.resultado__hero-specs dd {
  margin: 0;
  font-weight: 600;
  color: var(--color-dark);
}

.resultado__row-material {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.resultado__row-thumb {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.resultado__row-thumb--empty {
  background: var(--color-bg);
}

.resultado__row-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 2px;
}

.resultado__row-text strong {
  font-size: 0.875rem;
  color: var(--color-dark);
  line-height: 1.2;
}

.resultado__row-desc {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.resultado__avisos {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.resultado__aviso {
  padding: 9px 12px;
  background: #fff8e6;
  border: 1px solid #ffe082;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: #7c6200;
  line-height: 1.4;
}

.resultado__aviso::before { content: '\26A0\FE0F '; }

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
.footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 10px 32px;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-shrink: 0;
}

.footer__brand {
  font-weight: 700;
  color: var(--color-brand-lime);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer__claim {
  font-family: 'Homemade Apple', cursive;
  font-size: 0.9rem;
  line-height: 1;
  opacity: 0.95;
  padding-top: 3px;
}

.footer__sep { opacity: 0.35; }

.footer__link {
  color: var(--color-brand-lime);
  text-decoration: none;
  font-weight: 600;
}

.footer__link:hover {
  color: var(--color-brand-yellow);
  text-decoration: underline;
}

/* ══════════════════════════════════════════════════════════════
   DESKTOP GRANDE (>1024px)
   ══════════════════════════════════════════════════════════════ */
@media (min-width: 1025px) {
  .header { padding: 0 48px; }

  .chat__messages { padding: 28px 48px; }
  .chat__input-area { padding: 14px 48px 16px; }
  .chat__message--result { max-width: 700px; }

  .panel--form { padding: 32px 48px; }

  .form-layout { gap: 28px; }
  .form-layout.has-resultado { max-width: 1100px; }
  .form-layout.has-resultado .form-card { width: 480px; }
  .form-card { padding: 40px 44px; }
  .resultado-card { padding: 36px 40px; }

  .resultado__params {
    grid-template-columns: auto 1fr auto 1fr auto 1fr;
  }

  .footer { padding: 10px 48px; }
}

/* ══════════════════════════════════════════════════════════════
   TABLET (601px – 1024px)
   ══════════════════════════════════════════════════════════════ */
@media (min-width: 601px) and (max-width: 1024px) {
  .header { padding: 0 24px; }
  .header__logo-img { height: 32px; }
  .header__claim { display: none; }

  .chat__message { max-width: 70%; }

  .panel--form { padding: 24px; }
  .form-layout,
  .form-layout.has-resultado { flex-direction: column; align-items: center; max-width: 560px; }
  .form-card,
  .form-layout.has-resultado .form-card { flex: none; width: 100%; padding: 32px 36px; }
  .resultado-card { width: 100%; padding: 28px 32px; }
}

/* ══════════════════════════════════════════════════════════════
   MÓVIL (≤600px)
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
  .header {
    padding: 0 16px;
    height: 56px;
  }

  .header__subtitle { display: none; }
  .header__claim { display: none; }

  .header__logo-img { height: 30px; }

  .header__nav { padding: 2px; }

  .tab-btn {
    padding: 6px 12px;
    font-size: 0.75rem;
    gap: 5px;
  }

  .tab-btn svg { width: 15px; height: 15px; }

  /* ── Chat ─────────────────────────────────────────────────── */
  .chat__messages { padding: 16px; gap: 10px; }

  .chat__message {
    max-width: 90%;
    font-size: 0.875rem;
    padding: 10px 14px;
  }

  .chat__message--result { padding: 14px; max-width: 100%; }

  .chat__input-area {
    padding: 10px 16px 12px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }

  .chat__option-btn { padding: 7px 14px; font-size: 0.75rem; min-height: 36px; }
  .chat__input { font-size: 1rem; padding: 10px 14px; }

  /* ── Form ─────────────────────────────────────────────────── */
  .panel--form { padding: 12px; }

  .form-layout,
  .form-layout.has-resultado { flex-direction: column; gap: 16px; max-width: 100%; }
  .form-card,
  .form-layout.has-resultado .form-card {
    flex: none;
    width: 100%;
    padding: 24px 20px;
    border-radius: var(--radius-lg);
  }
  .resultado-card {
    width: 100%;
    padding: 20px 18px;
    border-radius: var(--radius-lg);
  }

  .form__title { font-size: 1.125rem; }
  .form__desc { margin-bottom: 20px; }

  .calc-form {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .form-group select,
  .form-group input {
    font-size: 1rem;
    padding: 12px 14px;
    min-height: 48px;
  }

  .btn { padding: 14px 24px; font-size: 1rem; min-height: 50px; }

  /* ── Resultado ────────────────────────────────────────────── */
  .resultado__params {
    grid-template-columns: auto 1fr;
    gap: 5px 10px;
  }

  .resultado__hero {
    flex-direction: column;
    padding: 12px;
    gap: 12px;
  }

  .resultado__hero-media {
    flex: none;
    width: 100%;
    aspect-ratio: 16 / 9;
  }

  .resultado__hero-img { padding: 10px; }

  .resultado__hero-title { font-size: 1.25rem; }

  .resultado__hero-specs {
    gap: 12px;
  }

  /* En mobile la tabla se convierte en cards; el material queda como fila destacada arriba */
  .resultado__table td[data-label="Material"] {
    padding-bottom: 6px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--color-border);
  }
  .resultado__table td[data-label="Material"]::before { display: none; }
  .resultado__table td[data-label="Material"] .resultado__row-material {
    width: 100%;
  }

  .resultado__table,
  .resultado__table thead,
  .resultado__table tbody,
  .resultado__table th,
  .resultado__table td,
  .resultado__table tr { display: block; }

  .resultado__table thead {
    position: absolute; width: 1px; height: 1px;
    overflow: hidden; clip: rect(0,0,0,0);
  }

  .resultado__table tr {
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    margin-bottom: 8px;
    border: 1px solid var(--color-border);
  }

  .resultado__table tr:last-child { margin-bottom: 0; }

  .resultado__table td {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 3px 0;
    border-bottom: none;
    font-size: 0.8125rem;
  }

  .resultado__table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    flex-shrink: 0;
    margin-right: 10px;
  }

  .resultado__table .qty { font-size: 1.125rem; }

  /* ── Footer ───────────────────────────────────────────────── */
  .footer {
    padding: 8px 16px;
    padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px));
    font-size: 0.625rem;
  }
}

/* ══════════════════════════════════════════════════════════════
   MÓVIL PEQUEÑO (≤380px)
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 380px) {
  .tab-btn { padding: 6px 8px; font-size: 0.6875rem; gap: 4px; }
  .tab-btn svg { width: 14px; height: 14px; }

  .chat__messages { padding: 12px; gap: 8px; }
  .chat__message { max-width: 95%; font-size: 0.8125rem; padding: 8px 12px; }
  .chat__option-btn { padding: 6px 10px; font-size: 0.6875rem; }

  .form-card { padding: 20px 16px; }
  .resultado-card { padding: 16px 14px; }
  .form__title { font-size: 1rem; }

  .resultado__table td { flex-direction: column; gap: 2px; }
  .resultado__table td::before { margin-right: 0; }
}

/* ══════════════════════════════════════════════════════════════
   LANDSCAPE MÓVIL
   ══════════════════════════════════════════════════════════════ */
@media (max-height: 500px) and (orientation: landscape) {
  .header { height: 48px; padding: 0 16px; }
  .header__subtitle { display: none; }
  .header__claim { display: none; }
  .header__logo-img { height: 26px; }
  .tab-btn { padding: 5px 10px; font-size: 0.75rem; }

  .chat__messages { padding: 8px 16px; gap: 8px; }
  .chat__message { padding: 8px 12px; font-size: 0.8125rem; }
  .chat__input-area { padding: 6px 16px 8px; }
  .chat__progress { margin-top: 6px; }

  .panel--form { padding: 12px 16px; }
  .form-card { padding: 20px; }
  .resultado-card { padding: 16px; }

  .footer { padding: 4px 16px; }
}

/* ══════════════════════════════════════════════════════════════
   UTILIDADES
   ══════════════════════════════════════════════════════════════ */
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
::selection { background: var(--color-primary-light); color: var(--color-dark); }

.chat__messages::-webkit-scrollbar { width: 4px; }
.chat__messages::-webkit-scrollbar-track { background: transparent; }
.chat__messages::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
.chat__messages::-webkit-scrollbar-thumb:hover { background: var(--color-text-secondary); }

.panel--form::-webkit-scrollbar { width: 4px; }
.panel--form::-webkit-scrollbar-track { background: transparent; }
.panel--form::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

a, button, input, select { touch-action: manipulation; }

@media print {
  .header__nav, .chat__input-area, .footer { display: none; }
  #app { box-shadow: none; }
  .resultado { border: 1px solid #ccc; box-shadow: none; break-inside: avoid; }
}