/* Assistant Widget — FAB + drawer lateral
 * Embeda https://ai-sdlc-assistant.vercel.app via iframe.
 * Respeita dark/light (variaveis do tutorial) e present-mode.
 */

/* z-index: precisa ficar acima de theme-toggle/wiki-badge (2147482700)
 * que vivem em shadow root do deck-stage. */
#sys-assistant-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 2147482800;
  width: 56px;
  height: 56px;
  border-radius: 999px;
  border: 1px solid var(--border-strong, #2E2E2E);
  background: var(--sys-magenta, #FF2DAA);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--glow-magenta, 0 0 24px 0 rgba(255,45,170,0.55), 0 0 48px 0 rgba(255,45,170,0.25));
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
  font-family: var(--font-ui, system-ui, sans-serif);
}
#sys-assistant-fab:hover { transform: translateY(-2px) scale(1.04); }
#sys-assistant-fab:focus-visible { outline: 2px solid var(--sys-cyan, #00E5FF); outline-offset: 3px; }
#sys-assistant-fab svg { width: 26px; height: 26px; }

#sys-assistant-fab .sa-fab-tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--surface, #0A0A0A);
  color: var(--fg, #FFFFFF);
  border: 1px solid var(--border, #1F1F1F);
  border-radius: 8px;
  padding: 6px 10px;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}
#sys-assistant-fab:hover .sa-fab-tip { opacity: 1; }

/* Drawer */
#sys-assistant-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2147482850;
  background: rgba(0,0,0,0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  backdrop-filter: blur(2px);
}
#sys-assistant-backdrop.is-open { opacity: 1; pointer-events: auto; }

#sys-assistant-drawer {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(440px, 100vw);
  z-index: 2147482900;
  background: var(--surface, #0A0A0A);
  border-left: 1px solid var(--border-strong, #2E2E2E);
  box-shadow: -16px 0 48px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
  font-family: var(--font-ui, system-ui, sans-serif);
}
#sys-assistant-drawer.is-open { transform: translateX(0); }

#sys-assistant-drawer .sa-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border, #1F1F1F);
  background: var(--surface-2, #141414);
}
#sys-assistant-drawer .sa-header-title {
  display: flex; align-items: center; gap: 10px;
  color: var(--fg, #FFFFFF);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
}
#sys-assistant-drawer .sa-header-title .sa-dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: var(--sys-magenta, #FF2DAA);
  box-shadow: 0 0 10px var(--sys-magenta, #FF2DAA);
}
#sys-assistant-drawer .sa-header-title .sa-sub {
  font-weight: 400;
  font-size: 11px;
  color: var(--fg-dim, #909090);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

#sys-assistant-drawer .sa-actions { display: flex; gap: 6px; }
#sys-assistant-drawer .sa-iconbtn {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  color: var(--fg-muted, #C8C8C8);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}
#sys-assistant-drawer .sa-iconbtn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--fg, #FFFFFF);
  border-color: var(--border, #1F1F1F);
}
#sys-assistant-drawer .sa-iconbtn svg { width: 16px; height: 16px; }

#sys-assistant-drawer .sa-iframe-wrap {
  position: relative;
  flex: 1 1 auto;
  background: var(--bg, #000);
}
#sys-assistant-drawer iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: transparent;
}
#sys-assistant-drawer .sa-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--fg-dim, #909090);
  font-size: 12px;
  pointer-events: none;
}
#sys-assistant-drawer .sa-loading.is-hidden { display: none; }
#sys-assistant-drawer .sa-spinner {
  width: 28px; height: 28px;
  border: 2px solid var(--border, #1F1F1F);
  border-top-color: var(--sys-magenta, #FF2DAA);
  border-radius: 999px;
  animation: sa-spin 900ms linear infinite;
}
@keyframes sa-spin { to { transform: rotate(360deg); } }

#sys-assistant-drawer .sa-footer {
  padding: 8px 14px;
  border-top: 1px solid var(--border, #1F1F1F);
  background: var(--surface-2, #141414);
  font-size: 10.5px;
  color: var(--fg-dim, #909090);
  letter-spacing: 0.04em;
  text-align: center;
}
#sys-assistant-drawer .sa-footer a { color: var(--sys-cyan, #00E5FF); text-decoration: none; }
#sys-assistant-drawer .sa-footer a:hover { text-decoration: underline; }

/* Modo apresentacao: esconde widget igual ao deck-footer */
body.present-mode #sys-assistant-fab,
body.present-mode #sys-assistant-drawer,
body.present-mode #sys-assistant-backdrop {
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Fallback defensivo: quando tweaks-panel está aberto, atenua o FAB
   para evitar conflito visual no canto inferior direito (tweaks-panel
   já move pra bottom:96 mas em viewports apertados ainda pode haver
   sobreposição). Adicionado 2026-05-21 com Germano report visual. */
body:has(.twk-panel) #sys-assistant-fab {
  opacity: 0.45;
  transform: scale(0.85);
}
body:has(.twk-panel) #sys-assistant-fab:hover {
  opacity: 1;
  transform: scale(1);
}

/* Mobile: drawer ocupa tela inteira */
@media (max-width: 520px) {
  #sys-assistant-drawer { width: 100vw; }
  #sys-assistant-fab { right: 16px; bottom: 16px; width: 52px; height: 52px; }
}

/* Tema claro: ajuste de contraste do FAB */
[data-theme="light"] #sys-assistant-fab {
  border-color: rgba(0,0,0,0.12);
}
[data-theme="light"] #sys-assistant-drawer {
  background: #fff;
  border-left-color: rgba(0,0,0,0.10);
}
[data-theme="light"] #sys-assistant-drawer .sa-header,
[data-theme="light"] #sys-assistant-drawer .sa-footer {
  background: #FAFAFA;
  border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] #sys-assistant-drawer .sa-header-title { color: #111; }
[data-theme="light"] #sys-assistant-drawer .sa-iconbtn { color: #444; }
[data-theme="light"] #sys-assistant-drawer .sa-iconbtn:hover { background: rgba(0,0,0,0.05); color: #111; }