/* ===== APP LAYOUT ===== */
#app{
  height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width, 240px) 2px minmax(0, 1fr) 2px var(--private-panel-width, 360px);
  grid-template-areas: "sidebar sidebar-resizer main resizer private";
  gap: 10px;
  padding: 10px;
}

#sidebar { grid-area: sidebar; }
#mainResizer { grid-area: sidebar-resizer; }
#main { grid-area: main; }
#privateResizer { grid-area: resizer; }
#privatePanel { grid-area: private; }

/* ===== PANELS BASE ===== */
#sidebar,
#main,
#privatePanel{
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-height: 0;
  overflow: hidden;
}

#sidebar,
#privatePanel{
  position: relative;
  background: linear-gradient(135deg, var(--panel-grad-1), var(--panel-grad-2));
}

#sidebar::before,
#privatePanel::before{
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  pointer-events: none;
}

#sidebar > *,
#privatePanel > *{
  position: relative;
  z-index: 1;
}

#main{
  background: var(--card);
  display: flex;
  flex-direction: column;
}

#recordUI {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  margin: 0 10px 8px;
  border: 1px solid rgba(255,61,141,0.18);
  border-radius: 12px;
  background: rgba(255,255,255,0.88);
}

body.recording #recordUI {
  display: flex;
}

#recordTimer {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

#waveCanvas {
  width: 120px;
  height: 28px;
}

/* ===== RESIZER ===== */
#mainResizer,
#privateResizer{
  display: none;
  width: 2px;
  cursor: col-resize;
  background: rgba(0,0,0,0.12);
  border-radius: 999px;
  align-self: stretch;
  min-height: 0;
}

#mainResizer:hover,
#privateResizer:hover{
  background: rgba(0,0,0,0.28);
}

body.sidebar-resizing,
body.private-resizing{
  cursor: col-resize;
  user-select: none;
}

body.sidebar-resizing *,
body.private-resizing *{
  cursor: col-resize !important;
}

/* ===== DESKTOP PRIVATE RIGHT FIX ===== */
@media (min-width: 921px) {
  #app {
    display: grid !important;
    grid-template-columns: var(--sidebar-width, 240px) 2px minmax(0, 1fr) 2px var(--private-panel-width, 360px) !important;
    grid-template-areas: "sidebar sidebar-resizer main resizer private" !important;
    gap: 10px !important;
    align-items: stretch !important;
  }

  #sidebar {
    grid-area: sidebar !important;
  }

  #main {
    grid-area: main !important;
    min-width: 0 !important;
  }

  #mainResizer{
    display: block !important;
  }

  #privateResizer{
    display: block !important;
  }

  #privatePanel {
    grid-area: private !important;
    position: relative !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;
    left: auto !important;
    transform: none !important;
    margin: 0 !important;
    width: auto !important;
    height: auto !important;
    min-width: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
}

@media (min-width: 769px) {
  body.private-collapsed #app {
    grid-template-columns: var(--sidebar-width, 240px) 2px minmax(0, 1fr) 0 0 !important;
    grid-template-areas: "sidebar sidebar-resizer main resizer private" !important;
  }

  body.private-collapsed #privatePanel {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
    overflow: visible !important;
  }

  body.private-collapsed #privatePanel::before {
    display: none !important;
  }

  body.private-collapsed #privatePanel > *:not(#privateDesktopToggle) {
    display: none !important;
  }

  body.main-collapsed #app {
    grid-template-columns: var(--sidebar-width, 240px) 0 minmax(0, 1fr) 0 0 !important;
    grid-template-areas: "sidebar . private . ." !important;
  }

  body.main-collapsed #main {
    display: none !important;
  }

  body.main-collapsed #mainResizer,
  body.main-collapsed #privateResizer {
    display: none !important;
  }

  body.main-collapsed #privatePanel {
    grid-area: private !important;
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;
  }

  body.main-collapsed #privateDesktopToggle {
    display: none !important;
  }

  body.main-collapsed.private-collapsed #app {
    grid-template-columns: var(--sidebar-width, 240px) 0 0 0 0 !important;
  }

  body.main-collapsed.private-collapsed #mainResizer,
  body.main-collapsed.private-collapsed #privateResizer {
    display: none !important;
  }

  body.private-watch-focus #app {
    grid-template-columns: 0 0 0 0 minmax(0, 1fr) !important;
    grid-template-areas: ". . . . private" !important;
    gap: 0 !important;
    padding: 0 !important;
  }

  body.private-watch-focus #sidebar,
  body.private-watch-focus #mainResizer,
  body.private-watch-focus #main,
  body.private-watch-focus #privateResizer {
    display: none !important;
  }

  body.private-watch-focus #privatePanel {
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
  }
}