/*
  PORQUE EXISTE: alvos de toque maiores, escala UI e painéis
  minimizáveis / fullscreen — UX legível no telemóvel.
*/
:root {
  --ui-zoom: 1;
  --tap-min: 40px;
  --btn-icone: 36px;
  --ctrl-gap: 8px;
}

.btn-icone {
  width: var(--btn-icone) !important;
  height: var(--btn-icone) !important;
  min-width: var(--tap-min);
  min-height: var(--tap-min);
  color: var(--texto) !important;
  border: 1.5px solid var(--borda-forte);
  background: color-mix(in srgb, var(--fundo-caixa) 85%, transparent);
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 12px;
}
.btn-icone svg {
  width: 24px !important;
  height: 24px !important;
  stroke-width: 1.9;
}

.seletor-janela select,
.seletor-pc select,
.seletor-fonte select {
  min-height: var(--tap-min);
  font-size: 1rem !important;
  color: var(--texto) !important;
  border-width: 1.5px !important;
  padding: 10px 12px !important;
}

.btn-circulo,
.btn-novo-chat,
.btn-historico {
  min-height: var(--tap-min);
  min-width: var(--tap-min);
}

.btn-circulo {
  width: 48px !important;
  height: 48px !important;
}

.status-chat {
  font-size: 0.95rem !important;
  color: var(--texto-fraco) !important;
  font-weight: 500;
}

.painel-chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-left: auto;
  flex-wrap: wrap;
}
.painel-chrome .btn-chrome {
  min-height: 32px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--borda);
  background: var(--fundo-caixa);
  color: var(--texto-fraco);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.painel-chrome .btn-chrome:hover {
  color: var(--texto);
  border-color: var(--borda-forte);
}

.ux-hint {
  width: 100%;
  font-size: 12px;
  color: var(--texto-apagado);
  margin-top: 4px;
}

#btn-ux-prefs {
  font-size: 0.95rem !important;
  letter-spacing: 0.02em;
  font-weight: 800;
}

/* Minimizar painéis — sidebar overlay some; chat encolhe via split */
.sidebar.minimizado {
  /* layout.css trata o overlay; aqui só reforça */
  overflow: hidden;
}
.sidebar.minimizado .arvore,
.sidebar.minimizado .seletor-fonte,
.sidebar.minimizado .sidebar-titulo { display: none !important; }

.editor.minimizado {
  display: none !important;
}

.painel-chat.minimizado .chat-conversa,
.painel-chat.minimizado .caixa-prompt,
.painel-chat.minimizado .chat-abas,
.painel-chat.minimizado .status-chat { display: none !important; }
.painel-chat.minimizado {
  min-width: 280px;
}

/* Fullscreen de um painel */
.sidebar.fullscreen,
.editor.fullscreen,
.painel-chat.fullscreen {
  position: fixed !important;
  inset: 0 !important;
  z-index: 90 !important;
  width: 100% !important;
  max-width: none !important;
  height: 100% !important;
  max-height: none !important;
  flex: 1 !important;
  border-radius: 0 !important;
  transform: none !important;
  pointer-events: auto !important;
}

/* resize CSS REMOVIDO — usava grip no canto e furava a altura */

.ux-sheet {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.ux-sheet[hidden] { display: none !important; }
.ux-sheet-fundo {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, #000 55%, transparent);
}
.ux-sheet-caixa {
  position: relative;
  width: min(440px, 100%);
  max-height: 78vh;
  overflow-y: auto;
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  border-radius: 18px 18px 0 0;
  border: 1px solid var(--borda-forte);
  background: var(--fundo-painel);
  color: var(--texto);
}
.ux-sheet-caixa h2 { font-size: 1.15rem; margin: 0 0 12px; }
.ux-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  align-items: center;
}
.ux-row label {
  width: 100%;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--texto-fraco);
  font-weight: 650;
}
.ux-chip {
  min-height: var(--tap-min);
  padding: 0 14px;
  border-radius: 12px;
  border: 1.5px solid var(--borda-forte);
  background: var(--fundo-caixa);
  color: var(--texto);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.ux-chip.ativo {
  border-color: var(--destaque);
  background: color-mix(in srgb, var(--destaque) 18%, var(--fundo-caixa));
  color: var(--texto);
}
.ux-range {
  width: 100%;
  accent-color: var(--destaque);
  height: 40px;
}

@media (min-width: 821px) {
  .ux-sheet { align-items: center; }
  .ux-sheet-caixa { border-radius: 16px; max-height: 70vh; }
}

@media (max-width: 820px) {
  .nav-mobile button {
    min-height: 56px !important;
    font-size: 0.85rem !important;
    font-weight: 650;
  }
  .seletor-pc .btn-icone,
  .seletor-janela .btn-icone {
    min-width: 52px;
    min-height: 52px;
  }
}