:root {
  --bg: #1a1a1a;
  --bg-sidebar: #232323;
  --bg-hover: #2e2e2e;
  --bg-active: #3a3a3a;
  --fg: #e8e8e8;
  --fg-dim: #888;
  --accent: #6cb6ff;
  --border: #333;
}

* { box-sizing: border-box; }

/* Make the `hidden` HTML attribute actually hide elements that have an
   explicit `display:` rule below (welcome, app-frame, setup-view). Without
   this, those rules win over the UA `[hidden]{display:none}` default and
   the panels stack on top of each other. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
}

body {
  display: flex;
  overflow: hidden;
}

/* Sidebar ------------------------------------------------------------- */

#sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 220ms ease, border-right-color 220ms ease;
}

/* Drawer-collapsed state: sidebar slides shut, stage takes whole screen. */
body.sidebar-collapsed #sidebar {
  width: 0;
  border-right-color: transparent;
}

/* Collapse handle inside the sidebar header (visible when sidebar is open). */
#sidebar-collapse {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}
#sidebar-collapse:hover { color: var(--fg); border-color: var(--border); }

/* Floating handle to re-open the sidebar (only visible when collapsed). */
#sidebar-open {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  width: 32px;
  height: 32px;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(30, 30, 30, 0.55);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  opacity: 0.55;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: opacity 120ms ease, background 120ms ease;
}
#sidebar-open:hover { opacity: 1; background: rgba(45, 45, 45, 0.7); }
body.sidebar-collapsed #sidebar-open { display: inline-flex; }

#brand {
  position: relative;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

#brand h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

#project-name {
  margin-top: 4px;
  font-size: 12px;
  color: var(--fg-dim);
  cursor: pointer;
}

#project-name:hover { color: var(--fg); }

#app-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.app-group {
  padding: 8px 14px 4px;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.app-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  cursor: pointer;
  user-select: none;
}

.app-item:hover { background: var(--bg-hover); }
.app-item.active { background: var(--bg-active); color: var(--accent); }

.app-item .icon {
  width: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--fg-dim);
}

.app-item.active .icon { color: var(--accent); }

.app-item .wip {
  margin-left: auto;
  font-size: 10px;
  color: var(--fg-dim);
}

#sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 8px;
  display: flex;
  gap: 4px;
}

#sidebar-footer button {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  padding: 4px 6px;
  font-size: 11px;
  border-radius: 3px;
  cursor: pointer;
}

#sidebar-footer button:hover { color: var(--fg); border-color: var(--fg-dim); }

/* Stage --------------------------------------------------------------- */

#stage {
  flex: 1;
  position: relative;
  background: #111;
}

#app-frame {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

#welcome {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  color: var(--fg-dim);
}

#welcome h2 {
  font-weight: 400;
  font-size: 22px;
  color: var(--fg);
  margin: 0 0 12px;
}

#welcome code {
  background: var(--bg-sidebar);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 12px;
}

#welcome strong {
  color: var(--fg);
}

/* Setup view --------------------------------------------------------- */

#setup-view {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
}

#setup-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px 8px;
  border-bottom: 1px solid var(--border);
}

#setup-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  flex-shrink: 0;
}

#setup-status {
  flex: 1;
  font-size: 12px;
  color: var(--fg-dim);
}

#setup-close {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 4px 12px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
}

#setup-close:hover { border-color: var(--fg-dim); }

.setup-help {
  margin: 12px 24px;
  font-size: 12px;
  color: var(--fg-dim);
  max-width: 640px;
}

#setup-list {
  padding: 0 24px 24px;
}

.setup-group {
  padding: 12px 0 4px;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  border-bottom: 1px solid var(--border);
}

.setup-row {
  display: grid;
  grid-template-columns: 28px 24px 1.2fr 2fr 60px 90px 70px;
  gap: 8px;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid #2a2a2a;
  font-size: 13px;
}

.setup-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.setup-row .icon-cell input,
.setup-row .name-cell input,
.setup-row .url-cell input,
.setup-row .group-cell input {
  width: 100%;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 3px 6px;
  font: inherit;
  border-radius: 3px;
}

.setup-row .icon-cell input { text-align: center; }

.setup-row .badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 9px;
  color: var(--fg-dim);
  text-align: center;
}

.setup-row .badge.local { background: #1c3a1c; color: #8cd08c; }
.setup-row .badge.remote { background: #2a2a3a; color: #8c9cd0; }

.setup-row .delete {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  padding: 3px 8px;
  font-size: 11px;
  border-radius: 3px;
  cursor: pointer;
}

.setup-row .delete:hover { border-color: #d06c6c; color: #d06c6c; }

#setup-footer {
  position: sticky;
  bottom: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  gap: 10px;
  align-items: center;
}

#setup-footer button {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 6px 14px;
  font-size: 12px;
  border-radius: 3px;
  cursor: pointer;
}

#setup-footer button:hover { border-color: var(--fg-dim); }

#setup-save {
  background: #2a4a6a !important;
  border-color: #3a5a7a !important;
}

#setup-save:hover { background: #345580 !important; }

#setup-dirty {
  margin-left: auto;
  font-size: 12px;
  color: #d0a86c;
}

.setup-row.add-new {
  background: rgba(108, 182, 255, 0.04);
}