:root {
  /* Tema claro: mismo azul de marca que Sprint English Talk, pero con el
     fondo/texto invertidos (fondo negro + texto blanco -> fondo blanco +
     texto negro), y el resto de tonos re-calibrados para que sigan
     leyéndose bien sobre fondo claro. */
  --bg: #f4f6fb;
  --card: #ffffff;
  --card-border: #dde2ea;
  --text: #14171c;
  --text-dim: #5b6472;
  --accent: #1a5eff;
  --accent-dim: #e6edff;
  --input-bg: #eef1f6;
  --good: #15803d;
  --improve: #b45309;
  --danger: #ef5350;
  --radius: 16px;
}

* { box-sizing: border-box; }

/* Sin esto, elementos como <main> (que ponemos en display:flex) ignoran el
   atributo "hidden" que le ponemos por JS, porque nuestra propia regla de
   display gana por especificidad al estilo por defecto del navegador. */
[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top, #ffffff, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 32px 20px 60px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.app-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-mark {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.app-header h1 {
  margin: 0;
  font-size: 20px;
}

.tagline {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--text-dim);
}

main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.challenge-card, .transcript-card, .feedback-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
}

.challenge-label, .transcript-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.challenge-text {
  font-size: 17px;
  line-height: 1.5;
  margin: 0 0 12px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 13px;
  cursor: pointer;
  padding: 0;
}

.record-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
}

.mic-btn {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent), #8a5bff);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 0 0 0 rgba(26, 94, 255, 0.5);
}

.mic-btn:hover { transform: scale(1.04); }

.mic-btn.recording {
  background: linear-gradient(135deg, var(--danger), #ff8a65);
  animation: pulse 1.4s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(239, 83, 80, 0.5); }
  70% { box-shadow: 0 0 0 18px rgba(239, 83, 80, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 83, 80, 0); }
}

.mic-status {
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
  margin: 0;
}

.transcript-text {
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 16px;
  color: var(--text);
}

.transcript-actions {
  display: flex;
  gap: 10px;
}

.primary-btn {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  flex: 1;
}

.primary-btn:hover { filter: brightness(1.08); }
.primary-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.ghost-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 14px;
  cursor: pointer;
}

.feedback-loading {
  font-size: 14px;
  color: var(--text-dim);
  text-align: center;
  padding: 12px 0;
}

.feedback-content { display: flex; flex-direction: column; gap: 16px; }

.feedback-block h3 {
  margin: 0 0 8px;
  font-size: 14px;
}

.feedback-block.good h3 { color: var(--good); }
.feedback-block.improve h3 { color: var(--improve); }

.feedback-block ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.feedback-block ul li { margin-bottom: 6px; }

.feedback-score {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.feedback-score .score-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.feedback-score .score-label {
  font-size: 12px;
  color: var(--text-dim);
}

.error-card {
  background: rgba(239, 83, 80, 0.08);
  border: 1px solid rgba(239, 83, 80, 0.35);
  color: #b91c1c;
  border-radius: var(--radius);
  padding: 16px;
  font-size: 14px;
}

.app-footer {
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 8px;
}

/* ===================== Header con usuario ===================== */
.app-header {
  flex-wrap: wrap;
}

.header-text {
  flex: 1;
  min-width: 220px;
}

.user-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.access-label {
  font-size: 12px;
  color: var(--text-dim);
  margin: -6px 0 12px;
}

.access-label.warning {
  color: var(--improve);
  font-weight: 600;
}

.user-email-label {
  font-size: 12px;
  color: var(--text-dim);
  margin: 0;
  text-align: center;
}

.points-badge {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.ghost-btn.small {
  padding: 8px 12px;
  font-size: 13px;
  text-decoration: none;
  display: inline-block;
}

/* ===================== Login ===================== */
.section-title {
  margin: 0 0 16px;
  font-size: 17px;
}

.oauth-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.oauth-btn {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.oauth-btn:hover {
  border-color: var(--accent);
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dim);
  font-size: 12px;
  margin: 16px 0;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--card-border);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-form input {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.auth-form-actions {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.auth-message {
  margin: 12px 0 0;
  font-size: 13px;
}

/* ===================== Selectores Release/Sprint/Lección ===================== */
.challenge-hint {
  font-size: 13px;
  color: var(--text-dim);
  margin: 0 0 14px;
}

.selector-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.selector-row label {
  flex: 1;
  min-width: 90px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
}

.selector-row select {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font-size: 14px;
}

/* ===================== Admin ===================== */
.admin-app main {
  gap: 20px;
}

.table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--card-border);
  white-space: nowrap;
}

.admin-table th {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ===================== Banner motivacional ===================== */
.motivation-banner {
  background: linear-gradient(135deg, rgba(26, 94, 255, 0.08), rgba(147, 51, 234, 0.08));
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text);
}

/* ===================== Admin: navegación tipo SPA ===================== */
.admin-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.admin-tab-btn {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.admin-tab-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent-dim);
}

.admin-panel {
  display: none;
}

.admin-panel.active {
  display: block;
}

.stat-summary {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.stat-pill {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-dim);
}

.stat-pill strong {
  display: block;
  font-size: 20px;
  color: var(--text);
  font-weight: 700;
}

/* ===================== Enlace discreto Coach → Talk ===================== */
.cross-app-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--text-dim);
  padding: 2px 2px 6px;
  border-bottom: 1px solid var(--card-border);
}

.cross-app-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--accent-dim);
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 12.5px;
  padding: 6px 12px;
  border-radius: 999px;
  white-space: nowrap;
  transition: filter 0.15s ease, transform 0.15s ease;
}

.cross-app-cta:hover {
  filter: brightness(1.2);
  transform: translateX(2px);
}

/* ===================== Estado de carga inicial (verificando sesión) ===================== */
.loading-card {
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

/* ===================== Login por código (OTP) ===================== */
.auth-note {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 12px 0 0;
}

.auth-form input.code-input {
  font-size: 24px;
  letter-spacing: 0.35em;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.link-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ===================== Paso 1: revisar el reto ===================== */
.challenge-textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  line-height: 1.55;
  font-family: inherit;
  resize: vertical;
  margin-bottom: 12px;
}

.challenge-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.review-text {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.suggestion-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.suggestion-list li {
  background: var(--input-bg);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.5;
}

.sug-original {
  text-decoration: line-through;
  color: var(--text-dim);
}

.sug-arrow {
  margin: 0 6px;
  color: var(--text-dim);
}

.sug-better {
  font-weight: 700;
  color: var(--good);
}

.sug-why {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

.final-text {
  font-size: 16px;
  line-height: 1.7;
  margin: 0 0 12px;
  background: var(--accent-dim);
  border-radius: 10px;
  padding: 12px 14px;
}

.listen-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.listen-actions .primary-btn {
  flex: 1 1 auto;
}

.pron-list {
  margin: 0;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pron-en {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 15px;
  line-height: 1.5;
}

.line-play {
  background: var(--accent-dim);
  border: none;
  border-radius: 8px;
  padding: 2px 8px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.5;
  flex-shrink: 0;
}

.line-play:hover { filter: brightness(0.95); }

.pron-es {
  font-size: 15px;
  line-height: 1.5;
  color: var(--accent);
  font-weight: 600;
  margin-top: 2px;
  padding-left: 40px;
}

.feedback-block.encouragement {
  background: linear-gradient(135deg, rgba(26, 94, 255, 0.08), rgba(147, 51, 234, 0.08));
  border-radius: 12px;
  padding: 12px 14px;
}

.record-section .challenge-label {
  margin-bottom: 4px;
}

/* ===================== Admin: accesos y límites ===================== */
.status-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.status-tag.activo { background: #dcfce7; color: var(--good); }
.status-tag.inactivo { background: #fee2e2; color: #b91c1c; }
.status-tag.vencido { background: #fef3c7; color: var(--improve); }

.access-form .auth-form-actions .ghost-btn { flex: 1; }

.setting-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.setting-row input {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
}

/* Admin → WhatsApp: chat completo y respuesta del equipo */
.wa-chat { margin-top: 16px; border: 1px solid rgba(11, 31, 75, 0.12); border-radius: 12px; padding: 14px; background: #fff; }
.wa-chat-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.wa-chat-msgs { max-height: 360px; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; padding: 6px 2px; }
.wa-msg { max-width: 78%; padding: 8px 12px; border-radius: 12px; background: #f1f4fa; font-size: 0.92rem; line-height: 1.4; white-space: pre-wrap; }
.wa-msg.wa-user { align-self: flex-start; background: #e9efff; }
.wa-msg.wa-assistant, .wa-msg.wa-human { align-self: flex-end; background: #e6f7ea; }
.wa-who { margin-right: 6px; }
.wa-when { display: block; font-size: 0.72rem; opacity: 0.6; margin-top: 4px; }
.wa-reply { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.wa-reply .primary-btn { align-self: flex-end; }
.admin-table td.wa-last { white-space: normal; min-width: 260px; max-width: 420px; font-size: 0.85rem; }
.admin-table td.wa-actions { white-space: nowrap; }
.admin-table td.wa-actions .ghost-btn { display: block; margin-bottom: 6px; }

/* Ensayo tipo créditos (Coach → texto listo para leer) */
.rehearsal { margin-top: 14px; }
.rehearsal-stage {
  position: relative; height: 260px; overflow: hidden; border-radius: 16px;
  background: #0b1f4b; color: #fff;
}
.rehearsal-stage::before, .rehearsal-stage::after {
  content: ""; position: absolute; left: 0; right: 0; height: 56px; z-index: 2; pointer-events: none;
}
.rehearsal-stage::before { top: 0; background: linear-gradient(#0b1f4b, rgba(11,31,75,0)); }
.rehearsal-stage::after { bottom: 0; background: linear-gradient(rgba(11,31,75,0), #0b1f4b); }
.rehearsal-track {
  padding: 0 22px; font-size: 24px; line-height: 1.7; font-weight: 600;
  will-change: transform; transition: transform .6s ease, opacity .3s;
}
/* La frase activa se ilumina; las demás quedan atenuadas. Nunca cambia el grosor ni el tamaño. */
.rehearsal-track .rs { color: rgba(255,255,255,.38); transition: color .25s; }
.rehearsal-track .rs.on { color: #fff; }
.rehearsal-center {
  position: absolute; inset: 0; z-index: 3; display: flex; align-items: center; justify-content: center;
  font-size: 96px; font-weight: 800; color: #4f8dfb; text-align: center; padding: 0 20px;
}
.rehearsal-center[hidden] { display: none; }
.rehearsal-center.small { font-size: 34px; color: #fff; }
/* Cuenta regresiva: 3, 2, 1 en azul cielo subiendo hasta blanco; cierre en color cálido, nunca verde. */
.rehearsal-center.count-3 { color: #4f8dfb; }
.rehearsal-center.count-2 { color: #8fb6ff; }
.rehearsal-center.count-1 { color: #ffffff; }
.rehearsal-center.cue { font-size: 72px; line-height: 1.05; }
.rehearsal-center.cue-sky { color: #4f8dfb; }
.rehearsal-center.cue-amber { color: #f59e0b; }
.rehearsal-center.cue-coral { color: #fb7185; }
.rehearsal-center.cue-yellow { color: #facc15; }
.rehearsal-status { margin-top: 10px; font-size: 15px; color: var(--text-dim); line-height: 1.5; }
.rehearsal-status strong { color: var(--text); }
.small-inline { padding: 8px 12px; font-size: 14px; margin: 6px 6px 0 0; }
@media (max-width: 520px) {
  .rehearsal-stage { height: 230px; }
  .rehearsal-track { font-size: 21px; padding: 0 16px; }
  .rehearsal-center { font-size: 76px; } .rehearsal-center.cue { font-size: 54px; }
}

/* Selector de velocidad del coach (5 niveles) */
.speed-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.speed-label { font-size: 14px; color: var(--text-dim); }
.speed-levels { display: inline-flex; border: 1px solid var(--card-border); border-radius: 999px; overflow: hidden; }
.speed-btn { background: transparent; border: 0; padding: 8px 14px; font-size: 14px; font-weight: 700; color: var(--text-dim); cursor: pointer; }
.speed-btn + .speed-btn { border-left: 1px solid var(--card-border); }
.speed-btn.on { background: var(--accent); color: #fff; }

/* Admin → Soporte */
.sup-status, .sup-note { padding: 6px 8px; border-radius: 8px; border: 1px solid var(--card-border); background: #fff; font-size: 13px; font-family: inherit; }
.sup-note { min-width: 160px; }
tr.sup-open td:first-child { border-left: 3px solid var(--improve); }
tr.sup-closed td { opacity: .6; }

/* ---------- Teleprompter al grabar ---------- */
.prompter {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 16px 18px;
  box-shadow: 0 6px 24px rgba(20, 23, 28, 0.06);
  scroll-margin-top: 12px;
}
.prompter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}
.prompter-title {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}
.prompter-guide-btn {
  background: var(--accent-dim);
  color: var(--accent);
  border: none;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.prompter-guide-btn[hidden] { display: none; }
.prompter-line { margin: 0 0 14px; }
.prompter-line:last-child { margin-bottom: 0; }
.prompter-en {
  display: block;
  font-size: 21px;
  line-height: 1.5;
  color: var(--text);
  font-weight: 500;
}
.prompter-es {
  display: none;
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.45;
  color: var(--accent);
}
.prompter.guide-on .prompter-es { display: block; }

.mic-dock {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}
/* Mientras graba, el micrófono queda fijo abajo para poder detener sin buscarlo */
body.prompter-active .mic-dock {
  position: sticky;
  bottom: 0;
  padding: 10px 0 14px;
  background: linear-gradient(to top, var(--bg) 70%, rgba(244, 246, 251, 0));
  z-index: 20;
}
body.prompter-active .mic-btn { width: 68px; height: 68px; }
body.prompter-active .mic-btn svg { width: 26px; height: 26px; }

/* Aviso amable con botón Reintentar (fallos temporales de la IA o de red) */
.error-card.soft { background: #FFF8E1; border-color: #F2D27A; color: #6B4E00; }
.retry-btn { margin-left: 6px; background: #1A5EFF; color: #fff; border: 0; border-radius: 999px; padding: 6px 14px; font-weight: 700; font-size: .9rem; cursor: pointer; font-family: inherit; }
.retry-btn:hover { filter: brightness(1.08); }

/* Aceptación de términos y tratamiento de datos */
.auth-form .consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; line-height: 1.45; color: var(--text); cursor: pointer; text-align: left; }
.auth-form .consent input { width: 18px; height: 18px; padding: 0; margin: 1px 0 0; flex: 0 0 auto; border-radius: 4px; accent-color: var(--accent); }
.auth-form .consent a { color: inherit; font-weight: 600; text-decoration: underline; }

.handwrite-tip {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 12px 0 14px;
  padding: 12px 14px;
  background: #FFFBE0;
  border: 1px solid #F7DE13;
  border-left: 5px solid #F7DE13;
  border-radius: 12px;
  color: #0B1F4B;
  font-size: 0.95rem;
  line-height: 1.45;
}
.handwrite-tip strong { display: block; margin-bottom: 2px; }
.handwrite-icon { font-size: 1.4rem; line-height: 1; }

.prep-steps { list-style: none; margin: 14px 0 0; padding: 0; }
.prep-step { position: relative; display: flex; gap: 14px; padding-bottom: 18px; }
.prep-step:last-child { padding-bottom: 0; }
.prep-step:not(:last-child)::before {
  content: ""; position: absolute; left: 17px; top: 38px; bottom: 2px;
  border-left: 2px dashed #b9c8ee;
}
.prep-num {
  flex: 0 0 36px; height: 36px; border-radius: 50%;
  background: #1A5EFF; color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
}
.prep-step:last-child .prep-num { background: #0B1F4B; }
.prep-body { flex: 1; min-width: 0; padding-top: 6px; }
.prep-body strong { display: block; color: #0B1F4B; font-size: 1rem; }
.prep-desc { display: block; color: #5b6472; font-size: 0.9rem; line-height: 1.4; margin: 2px 0 10px; }
.prep-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.prep-actions .primary-btn { flex: 1 1 auto; }