/* ============================================================
   Window chrome, headerbars, menus, dialogs, popovers
   ============================================================ */

.ud-window {
  position: absolute;
  display: flex;
  flex-direction: column;
  min-width: 280px;
  min-height: 180px;
  border-radius: var(--radius-window) var(--radius-window) 8px 8px;
  background: var(--c-window-bg);
  color: var(--c-fg);
  border: var(--window-border);
  box-shadow: var(--shadow-window);
  overflow: hidden;
  pointer-events: auto;
  contain: layout paint style;
  will-change: transform;
}
.ud-window.opening { animation: ud-window-open 190ms var(--ease-window) both; }
.ud-window.closing { animation: ud-window-close 150ms var(--ease-window) both; pointer-events: none; }
.ud-window.minimizing { animation: ud-window-minimize 260ms var(--ease-window) both; pointer-events: none; }
.ud-window.restoring { animation: ud-window-restore 220ms var(--ease-window) both; }
.ud-window.snapping { transition: left 200ms var(--ease-window), top 200ms var(--ease-window),
                                 width 200ms var(--ease-window), height 200ms var(--ease-window); }
.ud-window.maximizing, .ud-window.unmaximizing {
  transition: left 220ms var(--ease-window), top 220ms var(--ease-window),
              width 220ms var(--ease-window), height 220ms var(--ease-window);
}
.ud-window.focused { box-shadow: var(--shadow-window-focus); }
.ud-window.unfocused .ud-window-title,
.ud-window.unfocused .hb-title { color: var(--c-fg-muted); }
.ud-window.unfocused { opacity: .99; }
.ud-window.maximized { border-radius: 0; border-width: 0; }
.ud-window.tiled { border-radius: 0; }
.ud-window.urgent { animation: ud-urgent 900ms ease-in-out 3; }
.ud-window.dragging, .ud-window.resizing { transition: none !important; user-select: none; }
.ud-window.dragging { box-shadow: 0 22px 60px rgba(0, 0, 0, .45), 0 4px 12px rgba(0, 0, 0, .3); }
.ud-window.no-anim, .ud-window.no-anim * { animation: none !important; transition: none !important; }

/* --- Header bar / title bar --- */
.ud-window-header {
  position: relative;
  flex: 0 0 auto;
  height: 42px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  background: var(--c-headerbar-bg);
  border-bottom: 1px solid var(--c-border);
  user-select: none;
  touch-action: none;
  cursor: default;
}
.ud-window-header.flat { border-bottom-color: transparent; }
.ud-window.maximized .ud-window-header { border-radius: 0; }
.hb-start, .hb-end { display: flex; align-items: center; gap: 4px; min-width: 0; }
.hb-end { justify-content: flex-end; }
.hb-title {
  grid-column: 2;
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--c-fg-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  max-width: 44ch;
  transition: color var(--dur-fast) ease;
}
.ud-window.focused .hb-title { color: var(--c-fg); }
.hb-subtitle { font-weight: 400; color: var(--c-fg-muted); }
.hb-dirty { color: var(--accent); margin-left: 2px; }

/* GNOME window controls: circular buttons on the right */
.win-controls { display: flex; align-items: center; gap: 4px; }
.wbtn {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--c-fg) 10%, transparent);
  color: var(--c-fg-secondary);
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease, scale var(--dur-fast) var(--ease-snap);
}
.wbtn svg { width: 12px; height: 12px; }
.wbtn:hover { background: color-mix(in srgb, var(--c-fg) 20%, transparent); color: var(--c-fg); }
.wbtn:active { scale: .9; }
.wbtn.close:hover { background: var(--ubuntu-orange); color: #fff; }
.wbtn.maximize:hover { background: color-mix(in srgb, var(--c-fg) 26%, transparent); }

/* --- Body --- */
.ud-window-body {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--c-window-bg);
}

/* --- Resize handles --- */
.ud-resizer { position: absolute; z-index: 5; touch-action: none; }
.ud-resizer[data-dir="n"] { top: -3px; left: 10px; right: 10px; height: 8px; cursor: ns-resize; }
.ud-resizer[data-dir="s"] { bottom: -3px; left: 10px; right: 10px; height: 8px; cursor: ns-resize; }
.ud-resizer[data-dir="w"] { left: -3px; top: 10px; bottom: 10px; width: 8px; cursor: ew-resize; }
.ud-resizer[data-dir="e"] { right: -3px; top: 10px; bottom: 10px; width: 8px; cursor: ew-resize; }
.ud-resizer[data-dir="nw"] { top: -4px; left: -4px; width: 16px; height: 16px; cursor: nwse-resize; }
.ud-resizer[data-dir="ne"] { top: -4px; right: -4px; width: 16px; height: 16px; cursor: nesw-resize; }
.ud-resizer[data-dir="sw"] { bottom: -4px; left: -4px; width: 16px; height: 16px; cursor: nesw-resize; }
.ud-resizer[data-dir="se"] { bottom: -4px; right: -4px; width: 16px; height: 16px; cursor: nwse-resize; }
.ud-window.maximized .ud-resizer, .ud-window.tiled .ud-resizer { display: none; }

/* ================= Menus ================= */
.menu-layer { position: absolute; inset: 0; z-index: var(--z-menu); pointer-events: none; }
.menu-layer.active { pointer-events: auto; }
.menu-scrim { position: absolute; inset: 0; }

.menu {
  position: absolute;
  min-width: 194px;
  max-width: 320px;
  padding: 6px;
  border-radius: var(--radius-menu);
  background: var(--c-menu-bg);
  color: var(--c-fg);
  box-shadow: var(--shadow-popover), 0 0 0 1px var(--c-border);
  animation: ud-menu-in 130ms var(--ease-shell) both;
  transform-origin: var(--origin-x, top) var(--origin-y, left);
  max-height: min(70vh, 560px);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.menu.closing { animation: ud-fade-out 90ms ease both; }
.menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: var(--fs-md);
  width: 100%;
  text-align: left;
  color: var(--c-fg);
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
}
.menu-item:hover:not([disabled]) { background: var(--c-hover); }
.menu-item:active:not([disabled]) { background: var(--c-active); }
.menu-item[disabled] { color: var(--c-fg-disabled); cursor: default; }
.menu-item.danger { color: var(--c-danger); }
.menu-item.danger:hover { background: color-mix(in srgb, var(--c-danger) 16%, transparent); }
.menu-item .mi-icon { width: 16px; height: 16px; flex: 0 0 auto; opacity: .8; }
.menu-item .mi-icon svg { width: 16px; height: 16px; }
.menu-item .mi-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.menu-item .mi-accel { font-size: var(--fs-sm); color: var(--c-fg-muted); flex: 0 0 auto; padding-left: 12px; }
.menu-item .mi-check { width: 16px; height: 16px; flex: 0 0 auto; display: grid; place-items: center; }
.menu-item .mi-check svg { width: 12px; height: 12px; }
.menu-item.checked .mi-label { font-weight: 500; }
.menu-item .mi-arrow { width: 14px; height: 14px; flex: 0 0 auto; opacity: .6; }

.menu-sep { height: 1px; margin: 5px 6px; background: var(--c-border); }
.menu-label {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px 4px;
  font-size: var(--fs-sm);
  color: var(--c-fg-muted);
  font-weight: 500;
}
.menu-label .mi-icon svg { width: 14px; height: 14px; }
.menu-head {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px 8px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--c-border);
}
.menu-head .mh-icon { width: 28px; height: 28px; flex: 0 0 auto; }
.menu-head .mh-icon svg { width: 28px; height: 28px; }
.menu-head .mh-name { font-weight: 700; font-size: var(--fs-md); }
.menu-head .mh-sub { font-size: var(--fs-xs); color: var(--c-fg-muted); }

/* ================= Dialogs ================= */
.dialog-layer {
  position: absolute; inset: 0; z-index: var(--z-dialog);
  display: grid; place-items: center;
  pointer-events: none;
}
.dialog-layer.active { pointer-events: auto; }
.dialog-scrim {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, .42);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: ud-fade-in 150ms ease both;
}
.dialog-scrim.closing { animation: ud-fade-out 130ms ease both; }

.dialog {
  position: relative;
  width: min(440px, calc(100vw - 32px));
  max-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-popover);
  background: var(--c-window-bg);
  color: var(--c-fg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5), 0 0 0 1px var(--c-border);
  overflow: hidden;
  animation: ud-pop-in 200ms var(--ease-shell) both;
}
.dialog.closing { animation: ud-pop-out 130ms var(--ease-shell) both; }
.dialog.shake { animation: ud-shake 400ms ease both; }
.dialog-head { padding: 22px 24px 6px; }
.dialog-title { font-size: var(--fs-xl); font-weight: 700; line-height: 1.25; }
.dialog-sub { margin-top: 8px; color: var(--c-fg-secondary); font-size: var(--fs-md); }
.dialog-body { padding: 12px 24px 8px; overflow: auto; color: var(--c-fg-secondary); }
.dialog-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 18px 24px 22px;
  flex-wrap: wrap;
}
.dialog-actions > * { min-width: 108px; justify-content: center; }
.dialog.wide { width: min(620px, calc(100vw - 32px)); }
.dialog.narrow { width: min(360px, calc(100vw - 32px)); }

/* About-style dialog with a hero */
.dialog-hero {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 26px 24px 6px; text-align: center;
}
.dialog-hero svg { width: 84px; height: 84px; }

/* Message dialog icon */
.dialog-icon-row { display: flex; gap: 16px; align-items: flex-start; }
.dialog-icon-row .dgi { width: 40px; height: 40px; flex: 0 0 auto; opacity: .9; }
.dialog-icon-row .dgi svg { width: 40px; height: 40px; }

/* ================= Popovers (top bar) ================= */
.popover {
  position: absolute;
  z-index: calc(var(--z-panel) - 1);
  border-radius: var(--radius-popover);
  background: var(--c-window-bg);
  color: var(--c-fg);
  box-shadow: var(--shadow-popover), 0 0 0 1px var(--c-border);
  overflow: hidden;
  animation: ud-pop-in 170ms var(--ease-shell) both;
  transform-origin: top center;
  max-height: calc(100vh - var(--panel-h) - 16px);
  display: flex;
  flex-direction: column;
}
.popover.closing { animation: ud-pop-out 130ms var(--ease-shell) both; }

/* --- Calendar / date menu --- */
.calendar {
  width: 360px;
  max-width: calc(100vw - 16px);
}
.cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px 6px;
}
.cal-month { font-weight: 700; font-size: var(--fs-lg); }
.cal-nav { display: flex; gap: 2px; }
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: 4px 12px 10px;
}
.cal-dow {
  height: 26px;
  display: grid;
  place-items: center;
  font-size: var(--fs-sm);
  color: var(--c-fg-muted);
  font-weight: 500;
}
.cal-day {
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: var(--fs-md);
  font-variant-numeric: tabular-nums;
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
  position: relative;
}
.cal-day.other { color: var(--c-fg-disabled); }
.cal-day:not(.other):not(.today):hover { background: var(--c-hover); }
.cal-day.today { background: var(--accent); color: var(--accent-fg); font-weight: 700; }
.cal-day.selected { background: var(--c-active); color: var(--c-fg); font-weight: 700; }
.cal-day.weekend { color: var(--c-fg-muted); }
.cal-day.today.weekend { color: var(--accent-fg); }

.cal-notif-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-top: 1px solid var(--c-border);
  background: var(--c-sidebar-bg);
  font-size: var(--fs-sm);
  font-weight: 700;
}
.cal-notif-clear { font-size: var(--fs-sm); color: var(--c-fg-secondary); }
.cal-notif-clear:hover { color: var(--c-fg); text-decoration: underline; }
.cal-notifs { overflow-y: auto; max-height: 320px; padding: 4px 0 8px; }
.cal-notif {
  position: relative;
  padding: 10px 14px 10px 14px;
  border-radius: 8px;
  margin: 2px 6px;
  transition: background var(--dur-fast) ease;
  cursor: pointer;
}
.cal-notif:hover { background: var(--c-hover); }
.cal-notif .cn-top { display: flex; align-items: center; gap: 8px; }
.cal-notif .cn-app { font-size: var(--fs-xs); color: var(--c-fg-muted); flex: 1; }
.cal-notif .cn-time { font-size: var(--fs-xs); color: var(--c-fg-muted); }
.cal-notif .cn-title { font-weight: 700; font-size: var(--fs-md); }
.cal-notif .cn-body { font-size: var(--fs-sm); color: var(--c-fg-secondary); }
.cal-notif .cn-close {
  position: absolute; top: 8px; right: 8px;
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  opacity: 0;
  color: var(--c-fg-muted);
  background: var(--c-card-bg);
  transition: opacity var(--dur-fast) ease;
}
.cal-notif:hover .cn-close { opacity: 1; }
.cal-notif .cn-close:hover { background: var(--c-active); color: var(--c-fg); }
.cal-notif .cn-close svg { width: 9px; height: 9px; }
.cal-empty {
  padding: 26px 16px;
  text-align: center;
  color: var(--c-fg-muted);
  font-size: var(--fs-sm);
}

/* --- Quick settings --- */
.quick-settings {
  width: 380px;
  max-width: calc(100vw - 16px);
  padding: 12px;
  gap: 8px;
}
.qs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.qs-tile {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 46px;
  padding: 0 12px;
  border-radius: 23px;
  background: color-mix(in srgb, var(--c-fg) 8%, transparent);
  color: var(--c-fg);
  font-size: var(--fs-md);
  font-weight: 500;
  transition: background var(--dur-fast) ease;
  text-align: left;
  width: 100%;
  min-width: 0;
}
.qs-tile:hover { background: color-mix(in srgb, var(--c-fg) 14%, transparent); }
.qs-tile.active { background: var(--accent); color: var(--accent-fg); }
.qs-tile .qs-ico { width: 20px; height: 20px; flex: 0 0 auto; display: grid; place-items: center; }
.qs-tile .qs-ico svg { width: 18px; height: 18px; }
.qs-tile .qs-lbl { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qs-tile .qs-val { font-size: var(--fs-xs); opacity: .8; flex: 0 0 auto; }
.qs-tile.wide { grid-column: 1 / -1; }
.qs-tile.spinner-busy { animation: ud-fade-in 200ms ease; }

.qs-drop {
  overflow: hidden;
  max-height: 0;
  transition: max-height 240ms var(--ease-shell), opacity 200ms ease;
  opacity: 0;
}
.qs-drop.open { max-height: 360px; opacity: 1; }
.qs-drop-inner { padding: 4px 4px 8px; }
.qs-net {
  display: flex; align-items: center; gap: 10px;
  height: 40px; padding: 0 12px;
  border-radius: 8px; cursor: pointer;
  transition: background var(--dur-fast) ease;
}
.qs-net:hover { background: var(--c-hover); }
.qs-net .qn-icon { width: 18px; height: 18px; flex: 0 0 auto; display: grid; place-items: center; }
.qs-net .qn-icon svg { width: 16px; height: 16px; }
.qs-net .qn-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qs-net .qn-meta { font-size: var(--fs-xs); color: var(--c-fg-muted); }
.qs-net.connected .qn-name { font-weight: 700; }

.qs-slider-row { display: flex; align-items: center; gap: 12px; padding: 6px 14px 2px; }
.qs-slider-row .qs-ico { width: 20px; height: 20px; flex: 0 0 auto; display: grid; place-items: center; }
.qs-slider-row .qs-ico svg { width: 18px; height: 18px; }
.qs-slider-row .slider { flex: 1; }
.qs-slider-row .qs-pct { width: 34px; text-align: right; font-size: var(--fs-sm); color: var(--c-fg-muted); font-variant-numeric: tabular-nums; }

.qs-sect { padding: 6px 2px 0; }
.qs-sect-title { font-size: var(--fs-xs); font-weight: 700; color: var(--c-fg-muted); text-transform: uppercase; letter-spacing: .5px; padding: 4px 12px; }
.qs-foot { display: flex; gap: 8px; padding-top: 6px; border-top: 1px solid var(--c-border); margin-top: 4px; }
.qs-foot .qs-tile { background: color-mix(in srgb, var(--c-fg) 8%, transparent); justify-content: center; }

.qs-batt-row { display: flex; align-items: center; gap: 8px; padding: 2px 12px 6px; font-size: var(--fs-sm); color: var(--c-fg-muted); }

/* ================= Popover positioning helper ================= */
.pop-anchor-top-right { transform-origin: top right; }