diff --git a/static/panel.css b/static/panel.css
index 63dee63..e704c2a 100644
--- a/static/panel.css
+++ b/static/panel.css
@@ -1,5 +1,4 @@
-/* A remote lives in the dark next to a TV, so the panel is dark too --
-   and every control is sized for a thumb, not a cursor. */
+/* Base Theme */
 
 :root {
   color-scheme: dark;
@@ -19,11 +18,9 @@
   --scrim: rgba(4, 6, 11, .6);
   --shadow: rgba(0, 0, 0, .45);
   --shade: rgba(255, 255, 255, .05);
-  /* spacing scale for every gap/padding/margin in the sheet, smallest to
-     largest: 2xs 4px, sm 8px, md 12px, gutter 16px, lg 24px. */
   --space-xs: 4px;
   --space-sm: 8px;
-  --space-md: 12px;   /* from the screen's side to a card, and from one card to the next */
+  --space-md: 12px;
   --space-lg: 24px;
   --toast-bad-bg: #2b1f24;
   --toast-bad-edge: #52303a;
@@ -36,9 +33,10 @@
 
 * { box-sizing: border-box; }
 
-/* Must beat every display rule below it. `hidden` is a plain UA style, so
-   any author rule -- .sheet-wrap's display:flex, say -- silently wins, and
-   an overlay that never hides sits over the whole panel eating taps. */
+@media (prefers-reduced-motion: reduce) {
+  * { animation: none !important; transition: none !important; }
+}
+
 [hidden] { display: none !important; }
 
 html { background: var(--bg); }
@@ -66,7 +64,6 @@ button {
 }
 button:active { transform: scale(.96); }
 
-/* Every icon is a Font Awesome glyph: a solid shape, filled, never stroked. */
 svg { width: 22px; height: 22px; fill: currentColor; }
 
 .app {
@@ -78,17 +75,22 @@ svg { width: 22px; height: 22px; fill: currentColor; }
   flex-direction: column;
   gap: var(--space-md);
 }
-/* A playing card goes to the top. The rest stay in markup order (rooms as
-   room_keys lists them, then the AVR), because items with the same order
-   keep their place, so playing cards keep that order among themselves too.
-   Only the order changes, not the DOM, so a knob held mid-drag stays put. */
-.app > .on-top { order: -1; }
 
-/* --- header ---------------------------------------------------------- */
+.wide { width: 100%; height: 50px; border-radius: var(--radius-lg); font-size: 15px; }
+.ghost { background: transparent; border: 1px solid var(--edge); color: var(--muted); }
+
+@keyframes spin { to { transform: rotate(360deg); } }
+@keyframes rise { from { transform: translateY(14%); opacity: .4; } }
+
+/* Header */
+
 .top { order: -2; display: flex; align-items: center; justify-content: center; }
 .top .logo { height: 44px; width: auto; display: block; margin: var(--space-xs); }
 
-/* --- cards ----------------------------------------------------------- */
+/* Card */
+
+.app > .on-top { order: -1; } /* A playing card goes to the top */
+
 .card {
   background: var(--card);
   border: 1px solid var(--edge);
@@ -99,11 +101,7 @@ svg { width: 22px; height: 22px; fill: currentColor; }
   gap: var(--space-md);
 }
 .card.offline { opacity: .5; }
-/* A tint, not a repaint -- it should read at a glance without competing
-   with the song title right above it. A group plays one thing, so it is the
-   AVR's card that lights up, not the rooms merged into it. */
-.card.room.playing,
-.card.avr.playing {
+.card.room.playing, .card.avr.playing {
   background: linear-gradient(135deg,
     color-mix(in srgb, var(--live) 25%, var(--card)) 0%,
     var(--card) 70%);
@@ -118,7 +116,8 @@ svg { width: 22px; height: 22px; fill: currentColor; }
 .card-head h2 .room-icon { flex: 0 0 auto; height: 20px; width: auto; fill: currentColor; }
 .card-head h2 .room-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
 
-/* --- now playing, between the room's name and its volume --------------- */
+/* Card - Media being played */
+
 .media {
   background: var(--shade);
   border-radius: var(--radius-lg);
@@ -138,20 +137,13 @@ svg { width: 22px; height: 22px; fill: currentColor; }
   object-fit: cover;
   background: var(--raised);
 }
-/* A film's jacket keeps its own portrait shape rather than being cropped
-   square like an album's. */
 .cover.poster { width: 50px; height: 75px; border-radius: 9px; }
 .track { display: flex; flex-direction: column; min-width: 0; }
 .track span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
 .song { font-size: 17px; font-weight: 550; }
 .artist { font-size: 15px; color: var(--muted); }
-
-/* Doubles as the line between the song and the volume -- it goes with the
-   block, when nothing is playing. Muted throughout, so it never competes
-   with the volume meter below it; the cursor only shows once a position is
-   actually known (an AVR input or a stream with no duration never gets one). */
 .progress { display: flex; align-items: center; gap: var(--space-md); }
-.progress-line { position: relative; flex: 1; height: 3px; border-radius: 2px; background: var(--bg); }
+.progress-line { position: relative; flex: 1; height: 3px; border-radius: 2px; background: var(--muted); }
 .progress-fill {
   display: block; height: 100%; width: calc(var(--progress, 0) * 1%);
   border-radius: 999px; background: var(--muted);
@@ -166,10 +158,6 @@ svg { width: 22px; height: 22px; fill: currentColor; }
   transform: translateY(-50%);
   transition: left .12s ease-out;
 }
-/* Elapsed rides above the cursor and remaining below it, all three centred
-   on one axis, and the total waits at the end of the line. Near either end a
-   label stops half its own width (--half, measured in app.js) short of it,
-   so it never hangs off the card. */
 .progress-time,
 .progress-total {
   display: none;
@@ -188,11 +176,6 @@ svg { width: 22px; height: 22px; fill: currentColor; }
 .progress.known .progress-cursor,
 .progress.known .progress-time,
 .progress.known .progress-total { display: block; }
-
-/* Where the player can seek, the cursor and both times are one handle, with
-   a thumb-sized grip around a 7px dot. pan-y leaves a vertical swipe to the
-   page, so scrolling past never seeks; only a sideways drag is ours. Held,
-   it lights up and follows the finger without easing after it. */
 .progress.seekable .progress-cursor,
 .progress.seekable .progress-time { cursor: grab; touch-action: pan-y; }
 .progress.seekable .progress-cursor::before { content: ''; position: absolute; inset: calc(var(--space-md) * -1); }
@@ -201,7 +184,8 @@ svg { width: 22px; height: 22px; fill: currentColor; }
 .progress.dragging .progress-cursor { background: var(--ink); transform: translateY(-50%) scale(1.6); }
 .progress.dragging .progress-time { color: var(--ink); }
 
-/* --- volume ---------------------------------------------------------- */
+/* Card - Volume */
+
 .volume { display: flex; align-items: center; gap: var(--space-md); }
 
 .control-btn {
@@ -221,9 +205,6 @@ svg { width: 22px; height: 22px; fill: currentColor; }
   transition: width .12s ease-out;
 }
 
-/* The level rides the bar. It travels the track less its own width, so it
-   never hangs off either end over the buttons -- and the fill's end is
-   always somewhere underneath it. */
 .knob {
   position: absolute; top: 50%;
   left: calc((100% - 46px) * var(--level, 0) / 100);
@@ -238,23 +219,25 @@ svg { width: 22px; height: 22px; fill: currentColor; }
   cursor: grab;
   touch-action: none;   /* the drag is ours, not a page scroll */
 }
-/* A thumb-sized grip around a knob only 30px tall. A press on the
-   pseudo-element lands on the knob itself. */
-.knob::before { content: ''; position: absolute; inset: calc(var(--space-md) * -1) calc(var(--space-sm) * -1); }
-
-/* Under a finger the knob has to keep up, not ease after it. */
+.knob::before { /* A thumb-sized grip around a knob only 30px tall. A press on the pseudo-element lands on the knob itself. */
+	content: '';
+	position: absolute;
+	inset: calc(var(--space-md) * -1) calc(var(--space-sm) * -1);
+}
 .meter.dragging i,
 .meter.dragging .knob { transition: none; }
 .meter.dragging .knob { cursor: grabbing; transform: translateY(-50%) scale(1.12); }
 
-/* --- previous / play-pause / next -------------------------------------- */
+/* Card - Navigation */
+
 .actions { display: flex; align-items: stretch; justify-content: center; gap: var(--space-md); }
 
 .control-btn .icon-pause { display: none; }
 .control-btn.playing .icon-play { display: none; }
 .control-btn.playing .icon-pause { display: block; }
 
-/* --- Sources : Spotify / Home cinema ----------------------------------- */
+/* Card - Sources */
+
 .sources { display: flex; gap: var(--space-md); }
 .sources-btn {
   flex: 1; min-width: 0;
@@ -267,20 +250,18 @@ svg { width: 22px; height: 22px; fill: currentColor; }
 .sources-btn svg { flex: 0 0 auto; color: var(--ink-bright); }
 .sources-btn span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
 .sources-btn .spinner { display: none; }
-/* Bumped with the `button` type selector so this reliably beats
-   .joined .toggle .leave's display:block below, same specificity otherwise. */
 button.sources-btn.loading .icon { display: none; }
 .sources-btn.loading .spinner { display: block; animation: spin 1s steps(8) infinite; }
-@keyframes spin { to { transform: rotate(360deg); } }
 
-/* The account playing on this room right now. */
 .spotify[aria-pressed="true"] { border: 2px solid var(--ink); }
 
-/* --- join / leave the AVR, between the Spotify buttons ----------------- */
 .toggle .leave { display: none; }
 .toggle[aria-pressed="true"] { background: var(--accent); color: var(--ink-bright); }
 
-/* --- AVR card ------------------------------------------------------ */
+/* AVR */
+
+/* AVR - Input */
+
 .input-select {
   display: flex; align-items: center; gap: var(--space-md);
   width: 100%; min-height: 50px;
@@ -294,33 +275,6 @@ button.sources-btn.loading .icon { display: none; }
 .input-select .value { flex: 1; font-size: 19px; font-weight: 600; }
 .input-select .chevron { color: var(--muted); }
 
-/* --- rooms merged into the AVR's card --------------------------------- */
-.joined { display: flex; flex-direction: column; gap: var(--space-md); }
-
-/* In here a room is an outline rather than a card: its border is what says
-   it is playing with the AVR, and the fill -- a tint too, when it plays --
-   belongs to the group's card instead. Same specificity as
-   .card.room.playing, so being later is what wins. */
-.joined .card.room { background: none; border-color: var(--ink); border-radius: 18px; padding: var(--space-md); gap: var(--space-md); }
-.joined .card-head h2 { font-size: 15px; font-weight: 550; color: var(--muted); }
-.joined .cover { width: 52px; height: 52px; border-radius: 10px; }
-.joined .song { font-size: 18px; }
-.joined .step { height: 54px; }
-/* In here the Spotify buttons hide and the toggle says "Detach", so it takes
-   their place and their look: the whole row, a plain background rather than
-   the pressed accent, and an exit icon where the AVR's would only muddle. */
-.joined .toggle[aria-pressed="true"] { background: var(--raised); color: inherit; }
-.joined .toggle .cinema { display: none; }
-.joined .toggle .leave { display: block; }
-
-/* --- misc ------------------------------------------------------------- */
-.wide { width: 100%; height: 50px; border-radius: var(--radius-lg); font-size: 15px; }
-.ghost { background: transparent; border: 1px solid var(--edge); color: var(--muted); }
-
-.foot { margin: var(--space-xs) var(--space-xs) 0; min-height: 18px; font-size: 12px; color: var(--muted); text-align: center; }
-.foot.bad { color: var(--warn); }
-
-/* --- input sheet ------------------------------------------------------ */
 .sheet-wrap { position: fixed; inset: 0; z-index: 10; display: flex; flex-direction: column; justify-content: flex-end; }
 .scrim { position: absolute; inset: 0; background: var(--scrim); backdrop-filter: blur(3px); }
 
@@ -334,7 +288,6 @@ button.sources-btn.loading .icon { display: none; }
   display: flex; flex-direction: column; gap: var(--space-md);
   animation: rise .22s cubic-bezier(.22, .68, .3, 1);
 }
-@keyframes rise { from { transform: translateY(14%); opacity: .4; } }
 
 .grabber { width: 38px; height: 4px; border-radius: 999px; background: var(--edge); margin: var(--space-xs) auto var(--space-xs); }
 .sheet h3 { margin: 0 var(--space-xs); font-size: 14px; font-weight: 600; color: var(--muted); }
@@ -354,7 +307,25 @@ button.sources-btn.loading .icon { display: none; }
 .option .code { font-size: 12px; color: var(--muted); flex: 0 0 auto; }
 .option[aria-current="true"] .code { color: var(--ink-bright-muted); }
 
-/* --- toast ------------------------------------------------------------ */
+/* AVR - Grouped Room */
+
+.joined { display: flex; flex-direction: column; gap: var(--space-md); }
+.joined .card.room { background: none; border-color: var(--ink); border-radius: 18px; padding: var(--space-md); gap: var(--space-md); }
+.joined .card-head h2 { font-size: 15px; font-weight: 550; color: var(--muted); }
+.joined .cover { width: 52px; height: 52px; border-radius: 10px; }
+.joined .song { font-size: 18px; }
+.joined .step { height: 54px; }
+.joined .toggle[aria-pressed="true"] { background: var(--raised); color: inherit; }
+.joined .toggle .cinema { display: none; }
+.joined .toggle .leave { display: block; }
+
+/* Footer */
+
+.foot { margin: var(--space-xs) var(--space-xs) 0; min-height: 18px; font-size: 12px; color: var(--muted); text-align: center; }
+.foot.bad { color: var(--warn); }
+
+/* Toast */
+
 .toast {
   position: fixed; left: 50%; transform: translateX(-50%);
   bottom: calc(22px + env(safe-area-inset-bottom));
@@ -363,8 +334,4 @@ button.sources-btn.loading .icon { display: none; }
   background: var(--toast-bad-bg); border: 1px solid var(--toast-bad-edge); color: var(--toast-bad-ink);
   font-size: 14px; box-shadow: 0 10px 30px var(--shadow);
 }
-.toast.ok { background: var(--toast-ok-bg); border-color: var(--toast-ok-edge); color: var(--toast-ok-ink); }
-
-@media (prefers-reduced-motion: reduce) {
-  * { animation: none !important; transition: none !important; }
-}
+.toast.ok { background: var(--toast-ok-bg); border-color: var(--toast-ok-edge); color: var(--toast-ok-ink); }
\ No newline at end of file