/* Discord-ish dark theme (POC) */
:root {
  --bg-0: #1e1f22;   /* user panel / topbar */
  --bg-1: #2b2d31;   /* sidebar */
  --bg-2: #313338;   /* main */
  --bg-3: #383a40;   /* hover */
  --bg-4: #404249;
  --text-0: #f2f3f5;
  --text-1: #b5bac1;
  --text-2: #80848e;
  --brand: #5865f2;
  --green: #23a55a;
  --red: #f23f43;
  --yellow: #f0b232;
  --radius: 8px;
}
* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body {
  font: 14px/1.4 "gg sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg-2);
  color: var(--text-0);
  overflow: hidden;
}

/* Material Symbols font configuration */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'liga';
  user-select: none;
  vertical-align: middle;
}
.inline-icon {
  font-size: 16px;
  vertical-align: -2px;
}
.channel-icon {
  font-size: 18px;
  color: var(--text-2);
  flex-shrink: 0;
}
.channel:hover .channel-icon,
.channel.active .channel-icon {
  color: var(--text-0);
}

#app { display: flex; height: 100vh; }

/* sidebar */
#sidebar {
  width: 250px; background: var(--bg-1); display: flex; flex-direction: column; flex-shrink: 0;
  position: relative; z-index: 10;
}
#server-name {
  padding: 14px 10px 14px 16px; font-weight: 700; font-size: 15px;
  border-bottom: 1px solid rgba(0,0,0,.25); box-shadow: 0 1px 0 rgba(0,0,0,.06);
  display: flex; align-items: center; gap: 8px;
}
#server-logo, #mobile-logo { border-radius: 6px; flex-shrink: 0; }
.server-name-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.icon-btn {
  background: transparent; border: none; color: var(--text-2); cursor: pointer;
  width: 26px; height: 26px; border-radius: 6px; display: grid; place-items: center;
  flex-shrink: 0; padding: 0; transition: background .12s, color .12s;
}
.icon-btn .material-symbols-outlined { font-size: 18px; }
.icon-btn:hover { background: var(--bg-3); color: var(--text-0); }

/* sidebar drag-to-resize handle */
#sidebar-resizer {
  position: absolute; top: 0; right: -3px; width: 6px; height: 100%;
  cursor: col-resize; z-index: 15; background: transparent;
}
#sidebar-resizer:hover, #sidebar-resizer.dragging { background: var(--brand); opacity: .5; }
body.sidebar-collapsed #sidebar { display: none; }

/* floating button to bring the sidebar back once collapsed */
#btn-sidebar-expand {
  display: none; position: absolute; top: 12px; left: 12px; z-index: 20;
  background: var(--bg-1); border: 1px solid var(--bg-4); color: var(--text-1);
  width: 32px; height: 32px; border-radius: 6px; cursor: pointer; place-items: center;
  box-shadow: 0 2px 6px rgba(0,0,0,.35);
}
#btn-sidebar-expand .material-symbols-outlined { font-size: 18px; }
#btn-sidebar-expand:hover { background: var(--bg-3); color: var(--text-0); }
body.sidebar-collapsed #btn-sidebar-expand { display: grid; }
.poc-tag {
  font-size: 10px; background: var(--yellow); color: #000; border-radius: 4px;
  padding: 1px 5px; vertical-align: 2px; margin-left: 6px; font-weight: 800;
}
.channel-group-label {
  padding: 18px 8px 4px 16px; font-size: 11px; font-weight: 700;
  letter-spacing: .4px; color: var(--text-2); text-transform: uppercase;
}
.channel {
  margin: 1px 8px; padding: 7px 8px; border-radius: 6px; color: var(--text-1);
  cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  display: flex; align-items: center; gap: 6px;
}
.channel:hover { background: var(--bg-3); color: var(--text-0); }
.channel.text { color: var(--text-2); }
.channel.text.active { background: rgba(88,101,242,.25); color: var(--text-0); }
.channel.text .hint { font-size: 10px; margin-left: 4px; }
.channel.voice.active { background: rgba(88,101,242,.25); color: var(--text-0); }
.channel .count { margin-left: auto; color: var(--text-2); font-size: 12px; }

#user-panel {
  margin-top: auto; background: var(--bg-0); padding: 8px;
  display: flex; flex-direction: column; gap: 6px;
}

/* row 1: available tools */
.user-buttons {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  padding-bottom: 6px; border-bottom: 1px solid rgba(255,255,255,.06);
}
.ctl {
  background: transparent; border: none; color: var(--text-1); font-size: 15px;
  width: 34px; height: 30px; border-radius: 6px; cursor: pointer; position: relative;
  display: grid; place-items: center; padding: 0; transition: background .12s, color .12s;
}
.ctl .material-symbols-outlined { font-size: 19px; }
.ctl:hover { background: var(--bg-3); color: var(--text-0); }
.ctl.off { color: var(--red); }
.ctl:disabled { opacity: .35; cursor: not-allowed; }
.ctl.active { color: var(--green); }

/* row 2: user info + help */
.me { display: flex; align-items: center; gap: 8px; min-width: 0; }
.me-meta { display: flex; flex-direction: column; min-width: 0; flex: 1; overflow: hidden; }
#nick {
  background: transparent; border: none; color: var(--text-0); font: inherit;
  font-weight: 600; font-size: 13px; width: 100%; padding: 0; outline: none; border-bottom: 1px dashed transparent;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#nick:hover, #nick:focus { border-bottom-color: var(--text-2); }
.status-row {
  display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--text-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.2;
}
.status-indicator {
  width: 7px; height: 7px; border-radius: 50%; background: var(--text-2); flex-shrink: 0;
}
.status-indicator.online { background: var(--green); }
.status-indicator.connecting { background: var(--yellow); }
.status-indicator.error { background: var(--red); }
#voice-status {
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.help-ctl { flex-shrink: 0; color: var(--text-2); }

/* main */
#main { flex: 1; display: flex; flex-direction: column; min-width: 0; position: relative; height: 100%; }
#voice-view { flex: 1; display: flex; flex-direction: column; min-width: 0; height: 100%; }
#voice-view.hidden { display: none; }
#stage {
  flex: 1; display: flex; flex-direction: column; padding: 16px; gap: 16px;
  overflow: auto; position: relative;
}
#stage-empty {
  position: absolute; inset: 0; display: grid; place-content: center;
  text-align: center; gap: 8px; color: var(--text-1); padding: 24px;
  isolation: isolate; overflow: hidden;
}
#stage-empty::before,
#stage-empty::after {
  content: ""; position: absolute; left: 50%; top: 50%; z-index: -2;
  width: min(48vw, 440px); aspect-ratio: 1; border-radius: 50%;
  transform: translate(-50%, -54%); pointer-events: none;
}
#stage-empty::before {
  background: radial-gradient(circle, rgba(88,101,242,.13), rgba(88,101,242,0) 68%);
}
#stage-empty::after {
  width: min(31vw, 280px); border: 1px solid rgba(88,101,242,.14);
  box-shadow: 0 0 0 24px rgba(88,101,242,.035), 0 0 0 48px rgba(88,101,242,.025);
}
#stage-empty .big-icon {
  position: absolute; left: 50%; top: 50%; z-index: -1;
  color: rgba(139,148,255,.11); transform: translate(-50%, -57%) rotate(-8deg);
  pointer-events: none;
}
#stage-empty .big-icon .material-symbols-outlined {
  font-size: clamp(180px, 25vw, 330px); font-variation-settings: 'wght' 300;
}
#stage-empty h2 { font-size: 20px; color: var(--text-0); }
#stage-empty p { max-width: 420px; color: var(--text-2); }
#stage.empty #stage-empty { display: grid; }
#stage:not(.empty) #stage-empty { display: none; }

#screens { display: flex; gap: 12px; flex-wrap: wrap; flex: 1; min-height: 0; align-items: stretch; }
#screens.multi { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); align-content: stretch; }
#screens.multi .screen-card { flex: none; }
.screen-card.popped {
  min-height: 120px; display: grid; place-items: center;
  background: var(--bg-0); box-shadow: none; border: 1px dashed var(--bg-4);
}
.pop-btn {
  position: absolute; right: 8px; top: 8px; z-index: 2;
  background: rgba(0,0,0,.65); color: var(--text-0); border: none; cursor: pointer;
  border-radius: 5px; padding: 4px 8px; font-size: 12px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 4px;
}
.pop-btn .material-symbols-outlined { font-size: 16px; }
.pop-btn:hover { background: var(--brand); }
.screen-card .stop-share-btn { right: 96px; }
.screen-card {
  position: relative; background: #000; border-radius: var(--radius); overflow: hidden;
  flex: 1 1 480px; max-width: 100%; box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.screen-card video { width: 100%; height: 100%; display: block; max-height: 100%; object-fit: contain; }
.screen-card .label {
  position: absolute; left: 8px; bottom: 8px; background: rgba(0,0,0,.65);
  padding: 3px 8px; border-radius: 5px; font-size: 12px; font-weight: 600;
  display: inline-flex; align-items: center;
}
.screen-card .label .live { color: var(--red); font-weight: 800; margin-right: 5px; }
.screen-card.speaking { box-shadow: 0 0 0 3px var(--green), 0 8px 24px rgba(0,0,0,.4); }
.tile-mic-badge { margin-left: 6px; display: inline-flex; align-items: center; }
.tile-mic-badge .material-symbols-outlined { font-size: 15px; color: var(--red); }

/* channel user lines */
.channel-users {
  margin: 2px 8px 8px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.channel-user-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--text-1);
  font-size: 13px;
  cursor: default;
}
.channel-user-item:hover {
  background: var(--bg-3);
  color: var(--text-0);
}
.channel-user-item.speaking .user-line-avatar {
  box-shadow: 0 0 0 2px var(--green);
}
.user-line-avatar {
  width: 22px;
  height: 22px;
  font-size: 11px;
}
.user-line-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-line-badges {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
}
.user-line-badges .material-symbols-outlined {
  font-size: 15px;
}
.badge-conn {
  color: var(--yellow);
  font-weight: bold;
}
.badge-mute {
  color: var(--red);
  display: inline-flex;
  align-items: center;
}
.badge-deafen {
  color: var(--red);
  display: inline-flex;
  align-items: center;
}
.badge-share {
  color: var(--brand);
  display: inline-flex;
  align-items: center;
}

/* hover volume popup */
.volume-popup {
  position: absolute;
  left: calc(100% + 6px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-0);
  border: 1px solid var(--bg-4);
  border-radius: var(--radius);
  padding: 8px 12px;
  width: 150px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
  display: none;
  z-index: 100;
  pointer-events: auto;
}
.channel-user-item:hover .volume-popup,
.channel-user-item.show-vol .volume-popup {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.volume-popup .vol-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-1);
  white-space: nowrap;
}
.volume-popup input[type=range] {
  width: 100%;
  accent-color: var(--brand);
}

.avatar {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 700; color: #fff; flex-shrink: 0; user-select: none;
}

.channel-user-item div.user-line-avatar {
  width: 24px; height: 24px; 
}

/* spatial plane */
#spatial-resizer {
  height: 6px; flex-shrink: 0; cursor: row-resize; background: transparent; position: relative;
}
#spatial-resizer::after {
  content: ''; position: absolute; left: 0; right: 0; top: 2px; height: 2px;
}
#spatial-resizer:hover, #spatial-resizer.dragging { background: var(--brand); opacity: .5; }
#spatial-wrap {
  height: 34vh; min-height: 220px; background: var(--bg-1);
  border-top: 1px solid rgba(0,0,0,.35); display: flex; flex-direction: column;
}
.spatial-label {
  padding: 8px 16px; font-size: 11px; font-weight: 700; color: var(--text-2);
  letter-spacing: .5px; display: flex; align-items: center; gap: 16px;
}
.spatial-label .hint { font-weight: 400; letter-spacing: 0; text-transform: none; flex: 1; }
.spatial-action-btn {
  background: var(--bg-2);
  border: 1px solid var(--bg-4);
  color: var(--text-1);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background 0.15s, color 0.15s;
}
.spatial-action-btn:hover {
  background: var(--bg-3);
  color: var(--text-0);
}
#spatial {
  flex: 1;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  position: relative;
  overflow: hidden;
}

/* modal */
#modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.7); display: grid;
  place-items: center; z-index: 50;
}
#modal-backdrop.hidden { display: none; }
#settings-modal {
  width: min(620px, 92vw); max-height: 90vh; overflow: auto;
  background: var(--bg-1); border-radius: 8px; padding: 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,.6);
}
#settings-modal h2 { font-size: 18px; margin-bottom: 6px; }
#settings-modal h3 { font-size: 13px; margin: 16px 0 4px; color: var(--text-1); }
#settings-modal p { margin-bottom: 10px; }
.settings-select {
  width: 100%; background: var(--bg-0); color: var(--text-0); border: 1px solid var(--bg-4);
  border-radius: 6px; padding: 9px 10px; margin-bottom: 4px; font: inherit;
}
.settings-select:focus { outline: none; border-color: var(--brand); }
#ice-json {
  width: 100%; background: var(--bg-0); color: var(--text-0); border: 1px solid var(--bg-4);
  border-radius: 6px; padding: 10px; font: 12px/1.5 ui-monospace, "Cascadia Code", monospace;
  resize: vertical;
}
#ice-json:focus { outline: none; border-color: var(--brand); }
#ice-server-default {
  background: var(--bg-0); padding: 8px 10px; border-radius: 6px;
  font: 11px/1.5 ui-monospace, monospace; white-space: pre-wrap;
}
.toggle-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; cursor: pointer; }
.toggle-row input { accent-color: var(--brand); width: 16px; height: 16px; }
.modal-actions { display: flex; gap: 8px; margin-top: 12px; align-items: center; }
.modal-actions .spacer { flex: 1; }
.modal-actions button {
  padding: 8px 16px; border-radius: 6px; border: none; cursor: pointer;
  font-weight: 600; font-size: 13px;
}
.modal-actions button:not(.ghost) { background: var(--brand); color: #fff; }
.modal-actions button.ghost { background: transparent; color: var(--text-1); }
.modal-actions button.ghost:hover { text-decoration: underline; }

/* welcome modal */
#welcome-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.7); display: grid;
  place-items: center; z-index: 60;
}
#welcome-backdrop.hidden { display: none; }
#welcome-modal {
  width: min(480px, 92vw); max-height: 90vh; overflow: auto;
  background: var(--bg-1); border-radius: 8px; padding: 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,.6);
}
#welcome-modal h2 { font-size: 18px; margin-bottom: 6px; }
#welcome-modal h3 { font-size: 13px; margin: 18px 0 8px; color: var(--text-1); }
.field-label { display: block; font-size: 12px; color: var(--text-1); margin-bottom: 4px; }
#welcome-nick {
  width: 100%; background: var(--bg-0); color: var(--text-0); border: 1px solid var(--bg-4);
  border-radius: 6px; padding: 8px 10px; font-size: 14px;
}
#welcome-nick:focus { outline: none; border-color: var(--brand); }
#welcome-nick.invalid { border-color: var(--red); }
.field-error { color: var(--red); font-size: 12px; margin-top: 4px; }
.field-error.hidden { display: none; }
.howto-list { display: flex; flex-direction: column; gap: 8px; padding-left: 18px; font-size: 13px; color: var(--text-1); }
.howto-list li { line-height: 1.4; }

/* matrix text chat panel (main view) */
#mx-panel {
  flex: 1;
  width: 100%;
  height: 100%;
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#mx-panel.hidden { display: none; }
.mx-header {
  padding: 14px 16px;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0,0,0,.25);
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
  flex-shrink: 0;
  background: var(--bg-2);
}
.mx-header-info {
  display: flex;
  align-items: center;
  gap: 8px;
}
.mx-header-title {
  color: var(--text-0);
  font-weight: 700;
}
.mx-header button.ghost {
  background: transparent;
  border: none;
  color: var(--text-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
}
.mx-header button.ghost:hover {
  background: var(--bg-3);
  color: var(--text-0);
}
#mx-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mx-msg { font-size: 14px; line-height: 1.45; }
.mx-sender { font-weight: 700; color: var(--text-0); margin-right: 8px; }
.mx-body { color: var(--text-1); white-space: pre-wrap; overflow-wrap: anywhere; }
.mx-composer {
  display: flex;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid rgba(0,0,0,.2);
  background: var(--bg-2);
  flex-shrink: 0;
}
.mx-composer textarea {
  flex: 1;
  resize: none;
  background: var(--bg-0);
  border: 1px solid var(--bg-4);
  border-radius: 8px;
  color: var(--text-0);
  padding: 10px 14px;
  font: inherit;
  max-height: 120px;
}
.mx-composer textarea:focus { outline: none; border-color: var(--brand); }
.mx-composer button {
  background: var(--brand);
  border: none;
  color: #fff;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 600;
  cursor: pointer;
}

/* reconnect banner */
#reconnect-banner {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  z-index: 70; display: flex; align-items: center; gap: 12px;
  background: var(--bg-0); border: 1px solid var(--red);
  box-shadow: 0 8px 28px rgba(0,0,0,.55), 0 0 0 1px rgba(242,63,67,.15);
  border-radius: 10px; padding: 10px 14px; font-size: 13px;
  animation: banner-in .2s ease-out;
}
#reconnect-banner.hidden { display: none; }
#reconnect-banner #reconnect-text { color: var(--text-0); font-weight: 600; white-space: nowrap; }
.reconnect-spinner {
  width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0;
  border: 2px solid rgba(242,63,67,.25); border-top-color: var(--red);
  animation: spin .8s linear infinite;
}
.reconnect-actions { display: flex; gap: 6px; margin-left: 4px; }
.reconnect-actions button {
  padding: 5px 10px; border-radius: 6px; border: none; cursor: pointer;
  font-weight: 600; font-size: 12px; background: var(--red); color: #fff;
}
.reconnect-actions button.ghost { background: transparent; color: var(--text-1); }
.reconnect-actions button.ghost:hover { color: var(--text-0); text-decoration: underline; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes banner-in { from { transform: translate(-50%, -12px); opacity: 0; } }

/* toasts */
#toasts {
  position: fixed; bottom: 16px; right: 16px; display: flex; flex-direction: column;
  gap: 8px; z-index: 60; max-width: 380px;
}
.toast {
  background: var(--bg-0); border-left: 3px solid var(--brand); border-radius: 6px;
  padding: 10px 14px; box-shadow: 0 8px 20px rgba(0,0,0,.5); font-size: 13px;
  animation: slide-in .18s ease-out;
}
.toast.error { border-left-color: var(--red); }
.toast.warn { border-left-color: var(--yellow); }
.toast.ok { border-left-color: var(--green); }
@keyframes slide-in { from { transform: translateX(30px); opacity: 0; } }

.hint { color: var(--text-2); font-size: 12px; }
code { font-family: ui-monospace, monospace; font-size: 12px; }

/* mobile chrome — hidden on desktop, shown/positioned in the breakpoint below */
#mobile-topbar, #sidebar-backdrop, #mobile-controls { display: none; }

/* ---------------------------------------------------------------------------
   mobile layout
   - sidebar becomes an off-canvas drawer opened from #mobile-topbar
   - mic/deafen/share get an always-visible mirror bar pinned to the bottom
--------------------------------------------------------------------------- */
@media (max-width: 860px) {
  #app { padding-top: 48px; } /* room for the fixed topbar */

  #mobile-topbar {
    display: flex; align-items: center; gap: 10px;
    position: fixed; top: 0; left: 0; right: 0; height: 48px; z-index: 55;
    background: var(--bg-0); padding: 0 12px; box-shadow: 0 1px 0 rgba(0,0,0,.3);
  }
  #mobile-topbar button {
    background: transparent; border: none; color: var(--text-0); font-size: 20px;
    width: 24px; height: 24px; border-radius: 6px; cursor: pointer;
  }
  #mobile-topbar button:active { background: var(--bg-3); }
  #mobile-title { font-weight: 700; font-size: 14px; }
  #mobile-status-row {
    display: flex; align-items: center; gap: 5px; margin-left: auto;
    font-size: 12px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }

  #sidebar-backdrop.show {
    display: block; position: fixed; inset: 0; top: 48px; z-index: 65; background: rgba(0,0,0,.55);
  }
  #sidebar {
    position: fixed; top: 48px; bottom: 0; left: 0; z-index: 66; width: 82vw; max-width: 320px;
    transform: translateX(-100%); transition: transform .2s ease; box-shadow: 8px 0 24px rgba(0,0,0,.5);
  }
  #sidebar.open { transform: translateX(0); }
  /* desktop sidebar collapse/resize is irrelevant here — the drawer always exists,
     it's just toggled on/off screen via .open */
  body.sidebar-collapsed #sidebar { display: flex; }
  #sidebar-resizer, #spatial-resizer, #btn-sidebar-expand, #btn-sidebar-collapse { display: none !important; }

  #main { width: 100%; padding-bottom: 64px; } /* room for the fixed bottom controls */
  #stage { padding: 10px; gap: 10px; }
  #screens { flex-direction: column; }
  #screens .screen-card, #screens.multi .screen-card { flex: 1 1 auto; width: 100%; min-height: 220px; }

  #spatial-wrap { height: 26vh; min-height: 160px; }
  .spatial-label { flex-wrap: wrap; gap: 6px; padding: 6px 10px; }
  .spatial-label .hint { display: none; } /* the drag/zoom hint doesn't fit — controls are still discoverable by touch */

  /* bigger touch targets everywhere controls are tapped directly */
  .ctl { width: 40px; height: 40px; font-size: 18px; }

  #mobile-controls {
    display: flex; justify-content: center; gap: 10px;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 55;
    background: var(--bg-0); padding: 8px; box-shadow: 0 -1px 0 rgba(0,0,0,.3);
  }
  #mobile-controls .ctl { width: 48px; height: 48px; font-size: 20px; background: var(--bg-2); }

  /* volume popup: side placement would run off a narrow drawer */
  .volume-popup { left: 0; right: 0; top: 100%; transform: none; width: auto; margin-top: 4px; }

  /* modals already clamp to 92vw; just tighten padding a bit */
  #settings-modal, #welcome-modal { padding: 16px; }

  #toasts { left: 12px; right: 12px; max-width: none; }
}