/* Apologeta Explique - estilos básicos (clean, leve, sem libs externas) */

:root {
  --apg-font: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --apg-bg: #fff;
  --apg-text: #333;
  --apg-shadow: 0 6px 20px rgba(0,0,0,.2);
  --apg-border: #e5e7eb;
  --apg-accent: #111827;
}

#apg-explique-btn {
  position: absolute;
  z-index: 9999;
  padding: 6px 10px;
  background: var(--apg-bg);
  color: var(--apg-accent);
  border: 1px solid var(--apg-border);
  border-radius: 9999px;
  box-shadow: var(--apg-shadow);
  font: 500 14px/1 var(--apg-font);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .16s ease, transform .16s ease;
  cursor: pointer;
  user-select: none;
}

#apg-explique-btn.apg-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Tooltip de aviso (trecho muito longo) */
#apg-explique-tip {
  position: absolute;
  z-index: 9999;
  padding: 6px 10px;
  background: var(--apg-bg);
  color: var(--apg-text);
  border: 1px solid var(--apg-border);
  border-radius: 8px;
  box-shadow: var(--apg-shadow);
  font: 400 13px/1.2 var(--apg-font);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .16s ease, transform .16s ease;
}

#apg-explique-tip.apg-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Modal */
.apg-explique-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.1);
  z-index: 10000;
  display: none;
}

.apg-explique-overlay.apg-open {
  display: block;
}

.apg-explique-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: calc(100% - 32px);
  max-width: 400px;
  background: var(--apg-bg);
  color: var(--apg-text);
  border-radius: 12px;
  box-shadow: var(--apg-shadow);
  z-index: 10001;
  display: none;
}

.apg-explique-modal.apg-open {
  display: block;
  animation: apgFadeIn .18s ease both;
}

@keyframes apgFadeIn {
  from { opacity: 0; transform: translate(-50%, calc(-50% - 4px)); }
  to { opacity: 1; transform: translate(-50%, -50%); }
}

.apg-explique-header {
  display: flex;
  align-items: center;
  justify-content: flex-end; /* sem título, só botão de fechar à direita */
  padding: 8px 8px;
  border-bottom: 1px solid var(--apg-border);
  font: 600 14px/1 var(--apg-font);
}

.apg-explique-close {
  appearance: none;
  background: transparent;
  border: none;
  font: 600 16px/1 var(--apg-font);
  cursor: pointer;
  color: var(--apg-accent);
}

.apg-explique-body {
  padding: 12px 14px 14px 14px;
}

.apg-explique-textarea {
  width: 100%;
  min-height: 18rem; /* altura suficiente padrão */
  resize: none;
  border: 1px solid var(--apg-border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: 'Noto Serif', sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--apg-text);
  background: #fff;
  overflow: hidden; /* sem barra de rolagem */
}

.apg-explique-footer {
  padding: 8px 14px 12px 14px;
  border-top: 1px solid var(--apg-border);
  color: #6b7280; /* discreto */
  font: 400 12px/1 var(--apg-font);
  text-align: right;
  opacity: .9;
}