:root {
  /* Paleta KAI Strategy Lab */
  --bg-base: #0a1424;
  --bg-deep: #060d1a;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #e8eef5;
  --muted: #8aa0bd;
  --muted-soft: #6e85a3;

  --accent: #3dd6a7;
  --accent-deep: #16a37b;
  --accent-soft: rgba(61, 214, 167, 0.14);
  --accent-text: #062019;

  --danger: #ef4444;
  --danger-deep: #7f1d1d;

  --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.45);
  --shadow-button: 0 18px 50px rgba(61, 214, 167, 0.35);
  --shadow-button-danger: 0 18px 50px rgba(127, 29, 29, 0.45);

  --radius-xl: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

/* El display de una clase (grid/flex) le gana al [hidden] del UA y los
   paneles "ocultos" quedaban visibles. Regla global: hidden SIEMPRE oculta. */
[hidden] {
  display: none !important;
}

html,
body {
  background: var(--bg-base);
}

body {
  margin: 0;
  min-height: 100svh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(900px 600px at 50% -200px, rgba(61, 214, 167, 0.08), transparent 60%),
    radial-gradient(700px 500px at 100% 100%, rgba(38, 100, 200, 0.06), transparent 60%),
    linear-gradient(180deg, var(--bg-base) 0%, var(--bg-deep) 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-shell {
  width: min(100%, 540px);
  min-height: 100svh;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  /* Columna acotada: minmax(0, 1fr) impide que un hijo con min-content ancho
     (p. ej. el topbar en móviles estrechos) ensanche la columna y desborde la
     página horizontalmente. Sin esto, la columna implícita `auto` crece hasta
     el min-content del hijo más ancho. */
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto auto auto auto auto;
  gap: 18px;
}

/* ---------- Brand badge ---------- */

.brand-badge {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  line-height: 1;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(61, 214, 167, 0.35);
}

.brand-badge--sm {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  box-shadow: 0 6px 14px rgba(61, 214, 167, 0.25);
}

/* ---------- Topbar ---------- */

.topbar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.brand-sub {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
}

/* ---------- Icon buttons ---------- */

.icon-button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--text);
  font-size: 1.15rem;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.icon-button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-strong);
}

.icon-button:active {
  transform: scale(0.96);
}

/* ---------- Language panel ---------- */

.language-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 16px;
  display: grid;
  gap: 14px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.auto-detect-note {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
}

.auto-detect-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

label span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 36px 0 14px;
  background:
    var(--panel-strong)
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238aa0bd' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>")
    no-repeat right 14px center;
  color: var(--text);
  font: inherit;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  transition: border-color 0.12s ease, background-color 0.12s ease;
}

select:hover {
  border-color: var(--border-strong);
}

select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* En navegadores Chromium las opciones heredan colores oscuros del control. */
select option {
  background: #0c182b;
  color: var(--text);
}

select option:disabled {
  color: var(--muted-soft);
}

/* ---------- Mode tabs ----------
   Control segmentado de 3 celdas iguales, icono arriba + label abajo:
   los tres nombres en español son largos y en una sola línea de texto
   no caben en pantallas de celular sin envolver. */

.mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 6px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.mode-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 60px;
  padding: 8px 2px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.mode-tab__icon {
  font-size: 1.25rem;
  line-height: 1;
  filter: grayscale(1) opacity(0.6);
  transition: filter 0.12s ease;
}

.mode-tab__label {
  font-size: clamp(0.68rem, 3.2vw, 0.82rem);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

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

.mode-tab[aria-selected="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.mode-tab[aria-selected="true"] .mode-tab__icon {
  filter: none;
}

.mode-tab:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- Room panel ---------- */

.room-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 16px;
  display: grid;
  gap: 14px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.room-actions {
  display: grid;
  gap: 10px;
}

.room-button {
  /* inline-flex centra el texto también cuando el botón es un <a>:
     como <button> el UA centraba solo; como link quedaba pegado arriba. */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 0 18px;
  text-decoration: none;
  text-align: center;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.room-button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-strong);
}

.room-button:active {
  transform: scale(0.98);
}

.room-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.room-button--primary {
  background: var(--accent);
  border-color: transparent;
  color: var(--accent-text);
  font-weight: 700;
}

.room-button--primary:hover {
  background: #4ce0b3;
  border-color: transparent;
}

.room-divider {
  margin: 0;
  text-align: center;
  color: var(--muted-soft);
  font-size: 0.82rem;
}

.room-join {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.room-join input {
  min-height: 48px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-align: center;
  padding: 0 10px;
}

.room-join input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.room-join input:disabled {
  opacity: 0.5;
}

.room-waiting {
  display: grid;
  gap: 8px;
  justify-items: center;
  padding: 8px 0;
  text-align: center;
}

.room-waiting__hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.room-code {
  margin: 0;
  font-size: clamp(2.4rem, 12vw, 3.4rem);
  font-weight: 800;
  letter-spacing: 0.35em;
  padding-left: 0.35em;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.room-qr {
  width: 220px;
  max-width: 100%;
  aspect-ratio: 1;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.room-qr:not([src]) {
  display: none;
}

.room-live p {
  margin: 0;
  text-align: center;
}

/* ---------- Control panel ---------- */

.control-panel {
  display: grid;
  place-items: center;
  gap: 16px;
  padding: 16px 0 8px;
}

.main-button {
  width: min(62vw, 220px);
  aspect-ratio: 1;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: var(--shadow-button);
  transition: transform 0.12s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.main-button:hover {
  background: #4ce0b3;
}

.main-button:disabled {
  opacity: 0.55;
  cursor: progress;
}

.main-button[data-running="true"] {
  background: var(--danger-deep);
  color: #fff;
  box-shadow: var(--shadow-button-danger);
}

.main-button[data-running="true"]:hover {
  background: #962323;
}

.main-button:active {
  transform: scale(0.97);
}

.status-text {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.status-text[data-tone="error"] {
  color: #fca5a5;
}

/* ---------- Captions ---------- */

.captions {
  display: grid;
  gap: 12px;
}

.captions article {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 16px;
  min-height: 96px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.captions h2 {
  margin: 0 0 8px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.captions p {
  margin: 0;
  line-height: 1.55;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--text);
}

.captions p[data-placeholder="true"] {
  color: var(--muted-soft);
  font-style: italic;
  font-size: 0.88rem;
}

/* ---------- Settings sheet ---------- */

.settings-sheet {
  position: fixed;
  inset: 0;
  display: grid;
  align-items: end;
  background: rgba(2, 6, 14, 0.6);
  padding: 16px;
  z-index: 50;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.sheet-card {
  width: min(100%, 520px);
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  padding: 18px;
  display: grid;
  gap: 16px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.sheet-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sheet-card header h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: 8px;
  padding: 18px 8px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--muted-soft);
  font-size: 0.86rem;
  text-align: center;
}

.site-footer__text strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- Topbar actions ---------- */

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Help sheet ---------- */

.help-card {
  max-height: 80svh;
  overflow-y: auto;
}

.help-intro {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.help-card-item {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 14px 12px;
  display: grid;
  gap: 6px;
}

.help-card-item--warn {
  border-color: rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.06);
}

.help-card-item--tip {
  border-color: rgba(61, 214, 167, 0.35);
  background: rgba(61, 214, 167, 0.06);
}

.help-card-item__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.help-card-item__head h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.005em;
}

.help-emoji {
  font-size: 1.25rem;
  line-height: 1;
}

.help-card-item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text);
}

.help-card-item__detail {
  color: var(--muted) !important;
  font-size: 0.84rem !important;
}

/* ---------- Diagnostic panel ---------- */

.diag-panel {
  position: fixed;
  right: 12px;
  bottom: 12px;
  width: min(360px, calc(100% - 24px));
  max-height: 70svh;
  overflow: auto;
  z-index: 60;
  background: rgba(10, 20, 36, 0.92);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  padding: 14px 16px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8rem;
  color: var(--text);
}

.diag-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 10px;
}

.diag-panel header h3 {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: inherit;
  font-weight: 700;
}

.diag-panel header .icon-button {
  min-width: 32px;
  min-height: 32px;
  font-size: 1rem;
}

.diag-panel dl {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 14px;
}

.diag-panel dt {
  color: var(--muted);
  font-weight: 500;
}

.diag-panel dd {
  margin: 0;
  word-break: break-word;
  color: var(--text);
}

.diag-panel dd.warn { color: #fbbf24; }
.diag-panel dd.bad  { color: #fca5a5; }
.diag-panel dd.ok   { color: var(--accent); }

#brandBadge {
  cursor: pointer;
  user-select: none;
}

/* ---------- Hidden audio sink ---------- */

#translatedAudioSink {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

/* ---------- Cuenta / SaaS ---------- */

.balance-chip {
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  white-space: nowrap;
}

.balance-chip.low {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.4);
  color: #fbbf24;
}

.account-section {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.auth-shell {
  grid-template-rows: auto 1fr auto;
  align-items: start;
}

.auth-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 18px;
  display: grid;
  gap: 16px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  align-self: start;
  margin-top: 8px;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-form input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  color: var(--text);
  font: inherit;
  padding: 0 14px;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ---------- Ojo: mostrar/ocultar contraseña ---------- */
/* password-toggle.js envuelve cada input[type=password] en .pw-field y le
   añade el botón .pw-toggle. El input reserva espacio a la derecha. */
.pw-field {
  position: relative;
}

.pw-field input {
  width: 100%;
  padding-right: 46px;
}

.pw-toggle {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: color 0.15s ease;
}

.pw-toggle:hover {
  color: var(--text);
}

.pw-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -3px;
}

.auth-error {
  margin: 0;
  color: #fca5a5;
  font-size: 0.9rem;
  text-align: center;
}

.auth-welcome-hint {
  text-align: center;
}

#guestHint a {
  color: var(--accent);
}

/* ---------- Perfil ---------- */

.profile-shell {
  grid-template-rows: none;
  grid-auto-rows: min-content;
  align-content: start;
}

.profile-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 18px;
  display: grid;
  gap: 12px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.profile-card h2 {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.profile-card--admin {
  border-color: rgba(61, 214, 167, 0.35);
}

.balance-card {
  text-align: center;
}

.balance-big {
  margin: 0;
  font-size: clamp(2rem, 10vw, 2.8rem);
  font-weight: 800;
  color: var(--accent);
}

.profile-data {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 16px;
}

.profile-data dt {
  color: var(--muted);
  font-size: 0.88rem;
}

.profile-data dd {
  margin: 0;
  word-break: break-word;
}

.sessions-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.session-item {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: grid;
  gap: 4px;
}

.session-item__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 0.92rem;
}

.session-item__saldo {
  color: var(--accent);
  font-weight: 700;
  white-space: nowrap;
}

.session-item__bottom {
  color: var(--muted);
  font-size: 0.82rem;
}

.room-button-link {
  display: inline-grid;
  place-items: center;
  text-decoration: none;
  min-height: 44px;
}

.packages-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.package-item {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.package-item__info {
  display: grid;
  gap: 2px;
}

.package-item__detail {
  color: var(--muted);
  font-size: 0.86rem;
}

.invite-result {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.invite-result input {
  min-height: 44px;
  width: 100%;
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  padding: 0 10px;
}

/* ---------- Aviso de micrófono bloqueado ---------- */

.mic-help__intro {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.mic-help__steps {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  font-size: 0.9rem;
  line-height: 1.55;
}

.mic-help__steps strong {
  color: var(--accent);
}

.mic-help__note {
  color: var(--muted-soft);
  font-size: 0.82rem;
}

.mic-help__tag {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

/* ---------- Conferencia ---------- */

.conf-langs {
  display: grid;
  gap: 10px;
}

.conf-langs__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.conf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.conf-chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--muted);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 7px 14px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.conf-chip[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.conf-chip--all {
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 5px 12px;
}

.conf-chip--all:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

#confIdleActions {
  display: grid;
  gap: 14px;
}

.conf-live {
  display: grid;
  gap: 10px;
  justify-items: center;
  padding: 8px 0;
  text-align: center;
}

.conf-mic {
  width: min(100%, 260px);
  height: 8px;
  border-radius: 999px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  overflow: hidden;
}

.conf-mic__bar {
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.1s linear;
}

.conf-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: grid;
  gap: 6px;
}

.conf-stats li {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.9rem;
  text-align: left;
}

/* QR proyectable: overlay a pantalla completa con fondo blanco para que
   el público lo escanee desde lejos (telón / pantalla del salón). */
.qr-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #fff;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 14px;
  padding: 24px;
  cursor: pointer;
}

.qr-overlay img {
  width: min(78vmin, 560px);
  aspect-ratio: 1;
}

.qr-overlay__code {
  margin: 0;
  font-size: clamp(2rem, 8vmin, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.35em;
  padding-left: 0.35em;
  color: #0a1424;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.qr-overlay__hint {
  margin: 0;
  color: #4a5b73;
  font-size: clamp(0.9rem, 3vmin, 1.2rem);
  text-align: center;
}

/* ---------- Breakpoint ---------- */

@media (min-width: 720px) {
  .app-shell {
    padding-block: 32px;
  }
}

/* ---------- Créditos: tiers de conferencia, pases, demo ---------- */

.conf-tier-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.conf-tier-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  text-align: left;
  cursor: pointer;
}

.conf-tier-card strong {
  color: var(--text);
  font-size: 0.9rem;
}

.conf-tier-card__rate {
  color: var(--muted-soft);
  font-size: 0.75rem;
}

.conf-tier-card[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.conf-tier-card[aria-pressed="true"] strong,
.conf-tier-card[aria-pressed="true"] .conf-tier-card__rate {
  color: var(--accent);
}

.conf-pass {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

.conf-pass select {
  width: 100%;
}

.hint--warn {
  color: #eab308;
}

/* ---------- Planes (página pública y perfil) ---------- */

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plan-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--panel);
}

.plan-card--featured {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.plan-card h3 {
  margin: 0;
  font-size: 1rem;
}

.plan-card .plan-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}

.plan-card .plan-credits {
  color: var(--text);
  font-size: 0.9rem;
}

.plan-card .plan-detail {
  color: var(--muted);
  font-size: 0.8rem;
  flex: 1;
}

.plan-card .room-button {
  margin-top: 8px;
}

.rate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.rate-table th,
.rate-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.rate-table th {
  color: var(--text);
  font-weight: 600;
}

.rate-table td strong {
  color: var(--accent);
}

.order-result {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  font-size: 0.88rem;
  color: var(--text);
}

.order-result code {
  font-weight: 700;
  color: var(--accent);
}

/* ---------- Admin: analítica ---------- */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.kpi {
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--panel);
}

.kpi strong {
  display: block;
  font-size: 1.3rem;
  color: var(--accent);
}

.kpi span {
  font-size: 0.75rem;
  color: var(--muted);
}

.chart-rows {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chart-row {
  display: grid;
  grid-template-columns: 52px 1fr 60px;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--muted);
}

.chart-row .bar {
  display: flex;
  height: 12px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--panel-strong);
}

.chart-row .bar i {
  display: block;
  height: 100%;
}

.bar-solo { background: #3dd6a7; }
.bar-room { background: #38bdf8; }
.bar-conf { background: #a78bfa; }

.chart-legend {
  display: flex;
  gap: 14px;
  font-size: 0.75rem;
  color: var(--muted);
}

.chart-legend i {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  margin-right: 4px;
  vertical-align: -1px;
}

.session-item__detail {
  margin: 6px 0 0;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
  font-size: 0.78rem;
  color: var(--muted);
}

/* ---------- Admin: economía (tokens y dinero) + tiles ---------- */

.stat-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin: 4px 0 14px;
}

.stat-tile {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-tile strong {
  font-size: 1.15rem;
  color: var(--text);
  line-height: 1.2;
}

.stat-tile span {
  font-size: 0.72rem;
  color: var(--muted);
}

.stat-tile small {
  font-size: 0.68rem;
  color: var(--muted-soft);
}

.stat-tile--good strong { color: var(--accent); }
.stat-tile--cost strong { color: #f0a24b; }
.stat-tile--bad strong { color: #f4708a; }

.stat-tiles--sm {
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  margin: 0 0 12px;
}

.stat-tiles--sm .stat-tile { padding: 10px 12px; }
.stat-tiles--sm .stat-tile strong { font-size: 1rem; }

.econ-bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

.econ-bar {
  display: grid;
  grid-template-columns: 130px 1fr 92px;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--muted);
}

.econ-bar__label { color: var(--text); }

.econ-bar__track {
  height: 14px;
  border-radius: 6px;
  background: var(--panel-strong);
  overflow: hidden;
}

.econ-bar__track i {
  display: block;
  height: 100%;
  border-radius: 6px;
}

.econ-fill--rev { background: var(--accent); }
.econ-fill--cost { background: #f0a24b; }

.econ-bar__val {
  text-align: right;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* Consumo por modo (drill-down del usuario) */
.mode-bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 0 12px;
}

.mode-bar {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--muted);
}

.mode-bar__label { color: var(--text); }

.mode-bar__track {
  height: 10px;
  border-radius: 5px;
  background: var(--panel-strong);
  overflow: hidden;
}

.mode-bar__track i {
  display: block;
  height: 100%;
}

.mode-bar__val {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.detail-text {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.55;
}

.detail-text strong { color: var(--text); }

/* ---------- Reset de contraseña ---------- */
.auth-heading {
  margin: 0 0 2px;
  font-size: 1.15rem;
  color: var(--text);
}

.auth-done {
  margin: 0 0 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.92rem;
}

.auth-forgot {
  margin: 2px 0 0;
  text-align: right;
  font-size: 0.85rem;
}

.auth-forgot a { color: var(--accent); }

.plans-cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ---------- Login: dos pestañas iguales + links visibles ---------- */

.mode-tabs--duo {
  grid-template-columns: repeat(2, 1fr);
}

.hint a,
.auth-welcome-hint a {
  color: var(--accent);
  text-decoration-color: rgba(61, 214, 167, 0.5);
}

/* ---------- Pases v3: checkbox, continuación, cantidad ---------- */

.conf-pass--check {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}

.conf-pass--check input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.conf-continuation {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: left;
}

.conf-continuation__head {
  margin: 0;
  color: var(--text);
  font-weight: 600;
}

.conf-continuation label {
  display: flex;
  gap: 8px;
  align-items: center;
  cursor: pointer;
}

.conf-continuation input {
  accent-color: var(--accent);
}

.plan-qty {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--muted);
}

.plan-qty input {
  width: 72px;
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
  color: var(--text);
  font: inherit;
  padding: 0 8px;
}

/* ---------- Calculadora de evento ---------- */

.calc-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
  padding: 14px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  background: var(--accent-soft);
}

.calc-box h3 {
  margin: 0;
  font-size: 0.95rem;
}

.calc-inputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.calc-inputs label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--muted);
}

.calc-inputs input {
  min-height: 40px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-base);
  color: var(--text);
  font: inherit;
  padding: 0 10px;
}

.calc-result {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.calc-result strong {
  color: var(--text);
}

/* ---------- Admin: toolbar de usuarios y editor de precios ---------- */

.users-toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

.users-toolbar input,
.users-toolbar select {
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
  color: var(--text);
  font: inherit;
  padding: 0 10px;
}

.pkg-editor {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pkg-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  align-items: end;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.pkg-row--inactive {
  opacity: 0.55;
}

.pkg-row__name {
  display: flex;
  flex-direction: column;
}

.pkg-row__name span {
  font-size: 0.72rem;
  color: var(--muted-soft);
}

.pkg-row label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--muted);
}

.pkg-row input[type="number"] {
  min-height: 38px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
  color: var(--text);
  font: inherit;
  padding: 0 8px;
}

.pkg-row__active {
  flex-direction: row !important;
  align-items: center;
  gap: 6px !important;
  font-size: 0.8rem !important;
}

.pkg-row__active input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

@media (min-width: 720px) {
  .users-toolbar {
    grid-template-columns: 1fr auto auto;
  }

  .pkg-row {
    grid-template-columns: 1.5fr 0.7fr 0.7fr auto auto;
  }
}

/* ---------- Escritorio: perfil admin y catálogo anchos ---------- */

@media (min-width: 1024px) {
  .profile-shell--wide {
    width: min(100%, 1160px);
  }

  .profile-shell--wide .kpi-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .profile-shell--wide .chart-row {
    grid-template-columns: 64px 1fr 80px;
  }
}

/* ---------- Selector de idioma de plataforma (i18n) ----------
   Colapsado: SOLO bandera+código del idioma actual. Un toque despliega el
   menú con los demás (nunca los 3 en paralelo a la vez) — estándar de
   familia 2026-07-15, ver skill landing-page. Topbar (landing, login, app…). */

.lang-switcher {
  position: relative;
  display: inline-block;
}

.lang-switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 10px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.lang-switcher-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-strong);
}

.lang-switcher-code {
  letter-spacing: 0.02em;
}

/* Banderas del selector: SVG, no emoji (el porqué está en server/config/languages.js). El emoji
   era texto y se estiraba con la línea; el SVG es un reemplazado, así que necesita display propio
   y que el flex no lo encoja cuando el nombre del idioma es largo ("Bahasa Indonesia"). */
.lang-flag {
  display: block;
  flex: 0 0 auto;
  border-radius: 2px;
}

.lang-switcher-caret {
  font-size: 0.9rem;
  line-height: 1;
  color: var(--muted);
}

.lang-switcher-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 80;
  margin: 0;
  padding: 6px;
  list-style: none;
  min-width: 170px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 2px;
}

/* Las opciones del selector son <a href> donde la página tiene URL por idioma
   (ver scripts/i18n-engine.js) y <button> donde no, así que la regla tiene que
   valer para los dos elementos: `text-decoration: none` y `box-sizing` son para
   el <a>, que si no sale subrayado y midiendo de más. */
.lang-switcher-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.12s ease;
}

.lang-switcher-opt:hover {
  background: rgba(255, 255, 255, 0.06);
}

.lang-switcher-opt.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Formulario de perfil (edición + demografía) ---------- */

.auth-form label {
  display: grid;
  gap: 6px;
}

.auth-form label > span {
  color: var(--muted);
  font-size: 0.88rem;
}

.auth-form textarea {
  width: 100%;
  min-height: 96px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  color: var(--text);
  font: inherit;
  padding: 12px 14px;
  resize: vertical;
}

.auth-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.profile-data--readonly {
  margin: 2px 0 6px;
  padding: 12px 14px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.profile-subhead {
  margin: 12px 0 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

/* ---------- Caja de feedback (ayúdanos a mejorar) ---------- */

.profile-card--feedback {
  border-color: rgba(61, 214, 167, 0.22);
}

.reward-note {
  margin: 0;
  padding: 10px 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(61, 214, 167, 0.28);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 0.88rem;
}

/* Instalar app (PWA) */
.pwa-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  padding: 12px 14px;
  border: 1px solid rgba(61, 214, 167, 0.35);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(61, 214, 167, 0.12), rgba(59, 130, 246, 0.06));
}
.pwa-banner[hidden],
#pwaInstallCard[hidden],
#pwaCardFallback[hidden],
#pwaCardInstalled[hidden] {
  display: none !important;
}
.pwa-ico { font-size: 1.4rem; line-height: 1; flex-shrink: 0; }
.pwa-banner__txt { display: flex; flex-direction: column; gap: 1px; min-width: 0; flex: 1; }
.pwa-banner__txt strong { font-size: 0.92rem; }
.pwa-banner__sub { font-size: 0.8rem; opacity: 0.72; }
.pwa-banner__cta { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.pwa-install-btn {
  border: none; border-radius: 10px; padding: 8px 14px;
  font-size: 0.86rem; font-weight: 700; cursor: pointer;
  background: var(--accent, #3dd6a7); color: #062019;
}
.pwa-x {
  border: none; background: transparent; color: inherit; opacity: 0.6;
  cursor: pointer; font-size: 0.95rem; padding: 6px 8px; line-height: 1; border-radius: 8px;
}
.pwa-x:hover { opacity: 1; }
.pwa-ios-steps { margin: 12px 0 16px; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }