/* ============================================================
   Sistema de janelas
   ============================================================ */

#windows {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
}
/* durante o voo até a barra o recorte é liberado, senão a janela
   sumiria antes de alcançar o ícone */
#windows.genie-open { overflow: visible; }

.win {
  position: absolute;
  display: flex; flex-direction: column;
  min-width: 16rem; min-height: 9rem;
  border-radius: var(--r-lg);
  background: var(--glass-strong);
  backdrop-filter: blur(var(--blur)) saturate(1.5);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.5);
  border: 1px solid var(--win-border);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  pointer-events: auto;
  will-change: transform, opacity;
  transition: box-shadow var(--t3) var(--ease), border-color var(--t3) var(--ease);
}
.win.focused { box-shadow: var(--shadow-3); border-color: color-mix(in srgb, var(--accent) 34%, var(--win-border)); }

/* ------------------------------------------------------------------
   Ciclo de vida das janelas

   Abrir/fechar crescem e encolhem no próprio centro. Minimizar e
   restaurar são feitos em JS (js/system/windows.js), porque a janela
   precisa voar até o ícone dela na barra de tarefas — as regras
   abaixo são só o plano B quando a Web Animations API não existe.
   ------------------------------------------------------------------ */
.win.opening { animation: winIn var(--t-win-open) var(--ease-win-out); }
@keyframes winIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: none; } }
.win.closing { animation: winOut var(--t-win-close) var(--ease-win-in) forwards; pointer-events: none; }
@keyframes winOut { to { opacity: 0; transform: scale(0.94); } }
.win.minimizing { animation: winMin 210ms var(--ease-win-in) forwards; pointer-events: none; }
@keyframes winMin { to { opacity: 0; transform: scale(0.78) translateY(40px); } }
.win.restoring { animation: winRestore var(--t-win-genie) var(--ease-win-out); }
@keyframes winRestore { from { opacity: 0; transform: scale(0.86) translateY(34px); } to { opacity: 1; transform: none; } }

/* a janela em pleno voo não deve capturar cliques */
.win.genie { pointer-events: none; }

.win.snapping { transition: left var(--t-win-genie) var(--ease-win-out), top var(--t-win-genie) var(--ease-win-out),
  width var(--t-win-genie) var(--ease-win-out), height var(--t-win-genie) var(--ease-win-out),
  border-radius var(--t3) var(--ease); }
.win.maximized { border-radius: 0; border-color: transparent; }
.win.dragging { transition: none; user-select: none; }
.win.hidden { display: none; }

/* --- barra de título --- */
.win-bar {
  display: flex; align-items: center; flex: none;
  height: 2.35rem; padding-left: 0.7rem;
  background: var(--raise);
  border-bottom: 1px solid var(--line);
  cursor: default;
  user-select: none; -webkit-user-select: none;
  touch-action: none;
}
.win-bar .w-ico { width: 1.05rem; height: 1.05rem; flex: none; margin-right: 0.5rem; }
.win-bar .w-title {
  font-size: 0.78rem; font-weight: 550; color: var(--text-dim);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1; min-width: 0;
}
.win.focused .win-bar .w-title { color: var(--text); }

.win-ctrls { display: flex; align-items: stretch; height: 100%; flex: none; }
.wc {
  width: 2.85rem;
  display: grid; place-items: center;
  color: var(--text-dim);
  transition: background var(--t1) var(--ease), color var(--t1) var(--ease);
}
.wc svg { width: 0.65rem; height: 0.65rem; }
.wc:hover { background: var(--hover); color: var(--text); }
.wc:active { background: var(--active); }
.wc.close:hover { background: #e5484d; color: #fff; }
.wc.close:active { background: #c93b40; }

/* --- corpo --- */
.win-body {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column;
  background: var(--solid);
  overflow: hidden;
}
[data-theme="dark"] .win-body { background: rgba(18, 20, 28, 0.86); }
[data-theme="light"] .win-body { background: rgba(255, 255, 255, 0.88); }

/* --- alças de redimensionamento --- */
.rz { position: absolute; z-index: 5; touch-action: none; }
.rz.n { top: -2px; left: 8px; right: 8px; height: 6px; cursor: ns-resize; }
.rz.s { bottom: -2px; left: 8px; right: 8px; height: 6px; cursor: ns-resize; }
.rz.w { left: -2px; top: 8px; bottom: 8px; width: 6px; cursor: ew-resize; }
.rz.e { right: -2px; top: 8px; bottom: 8px; width: 6px; cursor: ew-resize; }
.rz.nw { top: -2px; left: -2px; width: 12px; height: 12px; cursor: nwse-resize; }
.rz.ne { top: -2px; right: -2px; width: 12px; height: 12px; cursor: nesw-resize; }
.rz.sw { bottom: -2px; left: -2px; width: 12px; height: 12px; cursor: nesw-resize; }
.rz.se { bottom: -2px; right: -2px; width: 12px; height: 12px; cursor: nwse-resize; }
.win.maximized .rz { display: none; }

/* --- prévia de encaixe (snap) --- */
.snap-preview {
  position: absolute;
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  border: 1.5px solid color-mix(in srgb, var(--accent) 62%, transparent);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  z-index: 3;
  transition: opacity var(--t2) var(--ease), left var(--t2) var(--ease-out),
    top var(--t2) var(--ease-out), width var(--t2) var(--ease-out), height var(--t2) var(--ease-out);
}
.snap-preview.show { opacity: 1; }

/* --- estruturas comuns dentro das janelas --- */
.app-toolbar {
  display: flex; align-items: center; gap: 0.4rem; flex: none;
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--line);
  background: var(--raise);
}
.app-status {
  display: flex; align-items: center; gap: 0.75rem; flex: none;
  padding: 0.35rem 0.7rem;
  border-top: 1px solid var(--line);
  background: var(--raise);
  font-size: 0.7rem; color: var(--text-mute);
}
.app-split { display: flex; flex: 1; min-height: 0; }
.app-side {
  width: 12rem; flex: none;
  padding: 0.55rem 0.45rem;
  border-right: 1px solid var(--line);
  overflow-y: auto;
  background: var(--raise);
}
.app-main { flex: 1; min-width: 0; overflow: auto; }

@media (max-width: 760px) {
  .win { border-radius: var(--r-md); }
  .wc { width: 3.1rem; }
  .app-side { width: 9.5rem; }
}