/* =========================================================================
   workspace — operator console theme
   Dark, single accent, system fonts (no external dependencies).
   Shell: left Ubuntu-style dock + workspace with switchable services.
   ========================================================================= */

:root {
  --bg:        #080808;
  --bg-soft:   #0f0f0f;
  --surface:   #161616;
  --surface-2: #1f1f1f;
  --line:      #2a2a2a;
  --line-soft: #1c1c1c;
  --text:      #f5f5f5;
  --text-dim:  #aaaaaa;
  --text-mute: #888888;
  --accent:    #3B82F6;
  --accent-dim:#2563EB;
  --danger:    #ef4444;
  --warn:      #ffb454;

  --mono: "Space Mono", ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Space Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --display: "Syne", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;

  --r: 2px;
  --r-sm: 0px;
  --dock-w: 68px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  position: relative;
}

.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 0%, transparent 100%);
          mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 0%, transparent 100%);
  opacity: .5; pointer-events: none;
}

.hidden { display: none !important; }

/* Shared icon masks (used by dock + control buttons) */
[data-icon] {
  background: currentColor;
  -webkit-mask: var(--m) center / contain no-repeat;
          mask: var(--m) center / contain no-repeat;
}
[data-icon="mic"]    { --m: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><rect x='9' y='2' width='6' height='12' rx='3'/><path d='M5 10a7 7 0 0 0 14 0M12 17v4'/></svg>"); }
[data-icon="cam"]    { --m: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M16 8l5-3v14l-5-3z'/><rect x='2' y='6' width='14' height='12' rx='2'/></svg>"); }
[data-icon="leave"]  { --m: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M16 17l5-5-5-5M21 12H9M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4'/></svg>"); }
[data-icon="calls"]  { --m: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M15.5 10.5l5-3.5v10l-5-3.5z'/><rect x='2.5' y='6' width='13' height='12' rx='2.5'/></svg>"); }
[data-icon="window"] { --m: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><rect x='3' y='4' width='18' height='16' rx='2'/><path d='M3 9h18'/><circle cx='6.5' cy='6.5' r='.6' fill='black'/></svg>"); }
[data-icon="power"]  { --m: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M12 3v9'/><path d='M6.5 7a8 8 0 1 0 11 0'/></svg>"); }

/* ---------- Generic screen (login) ---------- */
.screen { position: relative; z-index: 1; height: 100dvh; width: 100%; }
.screen--center { display: flex; align-items: center; justify-content: center; padding: 20px; }

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: 0 24px 60px -28px rgba(0,0,0,.8);
}
.login-card { width: 100%; max-width: 380px; padding: 30px; animation: rise .5s cubic-bezier(.2,.8,.2,1); }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Brand (login) ---------- */
.brand { display: flex; align-items: baseline; gap: 9px; margin-bottom: 26px; flex-wrap: wrap; }
.brand__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px rgba(59,130,246,.15); align-self: center; animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }
.brand__name { font-family: var(--display); font-weight: 800; font-size: 21px; letter-spacing: -.02em; text-transform: uppercase; }
.brand__sub  { font-family: var(--mono); font-size: 11px; color: var(--text-mute); letter-spacing: .3px; }

/* ---------- Form / fields ---------- */
.form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field__label { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); }
.field__hint { font-family: var(--mono); font-size: 11px; color: var(--text-mute); }

.input {
  width: 100%; font-family: var(--mono); font-size: 14px; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 11px 13px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.input::placeholder { color: var(--text-mute); }
.input:focus { border-color: var(--accent-dim); box-shadow: 0 0 0 3px rgba(59,130,246,.12); }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  border: 1px solid transparent; border-radius: var(--r-sm); padding: 11px 16px; cursor: pointer;
  transition: transform .08s, background .15s, border-color .15s, opacity .15s; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn--primary { background: var(--accent); color: #ffffff; }
.btn--primary:hover:not(:disabled) { background: var(--accent-dim); }
.btn--ghost { background: transparent; color: var(--text-dim); border-color: var(--line); }
.btn--ghost:hover { color: var(--text); border-color: var(--text-mute); }
.btn--sm { padding: 7px 12px; font-size: 12px; }
.btn--send { padding: 11px 15px; font-size: 16px; }

.status { font-family: var(--mono); font-size: 12px; color: var(--text-dim); min-height: 16px; line-height: 1.4; }
.status.is-error { color: var(--danger); }
.status.is-ok { color: var(--accent); }

.login-foot { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line-soft);
  font-family: var(--mono); font-size: 10.5px; color: var(--text-mute); text-align: center; letter-spacing: .2px; }

/* =========================================================================
   DESKTOP SHELL
   ========================================================================= */
.desktop { position: relative; z-index: 1; display: flex; height: 100dvh; width: 100%; }

/* ---------- Dock (left launcher) ---------- */
.dock {
  width: var(--dock-w); flex-shrink: 0; height: 100%;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 12px 0; background: var(--bg-soft); border-right: 1px solid var(--line); z-index: 20;
}
.dock__brand { margin-bottom: 2px; }
.dock__logo { position: relative; width: 36px; height: 36px; border-radius: 2px;
  background: var(--surface); border: 1px solid var(--line); display: block; }
.dock__logo::after { content: ""; position: absolute; inset: 9px; border-radius: 50%; border: 3px solid var(--accent); }

.dock__apps { display: flex; flex-direction: column; gap: 12px; }
.dock__bottom { margin-top: auto; display: flex; flex-direction: column; align-items: center; gap: 12px; }

.dock-app {
  position: relative; width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 2px; background: var(--surface); border: 1px solid var(--line);
  color: var(--text-dim); cursor: pointer;
  transition: background .15s, color .15s, transform .08s;
}
.dock-app:hover { color: var(--text); background: var(--surface-2); }
.dock-app:active { transform: scale(.94); }
.dock-app.is-active { color: var(--accent); background: var(--surface-2); }
.dock-app.is-active::before {
  content: ""; position: absolute; left: -10px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 24px; border-radius: 0 4px 4px 0; background: var(--accent);
}
.dock-app__icon { width: 22px; height: 22px; }

/* running / in-call dot (calls) */
.dock-app__run { display: none; }
.dock-app.in-call .dock-app__run {
  display: block; position: absolute; right: 5px; top: 5px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 8px var(--accent); animation: pulse 1.6s ease-in-out infinite;
}
/* incoming-call badge + shake */
.dock-app__badge { display: none; }
.dock-app.ringing { animation: shake .9s ease-in-out infinite; }
.dock-app.ringing .dock-app__badge {
  display: block; position: absolute; right: -3px; top: -3px;
  width: 12px; height: 12px; border-radius: 50%; background: var(--danger);
  box-shadow: 0 0 0 2px var(--bg-soft), 0 0 10px var(--danger);
}
@keyframes shake {
  0%,100% { transform: translateX(0); } 20% { transform: translateX(-2px); }
  40% { transform: translateX(2px); } 60% { transform: translateX(-2px); } 80% { transform: translateX(2px); }
}

.dock-app__tip {
  position: absolute; left: 60px; top: 50%; transform: translateY(-50%) translateX(-4px);
  background: var(--surface-2); border: 1px solid var(--line); color: var(--text);
  font-family: var(--mono); font-size: 11.5px; white-space: nowrap;
  padding: 6px 9px; border-radius: 2px; opacity: 0; pointer-events: none;
  transition: opacity .12s, transform .12s; z-index: 30;
}
.dock-app:hover .dock-app__tip { opacity: 1; transform: translateY(-50%) translateX(0); }

.dock-user {
  width: 40px; height: 40px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-weight: 700; color: var(--accent); font-size: 13px;
}
.dock-power { width: 44px; height: 44px; color: var(--text-mute); }
.dock-power:hover { color: var(--danger); background: var(--surface-2); }

/* ---------- Workspace ---------- */
.workspace { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 36px; flex-shrink: 0; display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; border-bottom: 1px solid var(--line); background: var(--bg-soft);
  font-family: var(--mono); font-size: 12px;
}
.topbar__title { font-weight: 600; color: var(--text); letter-spacing: .3px; }
.topbar__right { display: flex; align-items: center; gap: 16px; }
.topbar__user { color: var(--text-mute); }
.topbar__clock { color: var(--text-dim); }

.service-stack { position: relative; flex: 1; min-height: 0; }
.service { position: absolute; inset: 0; display: none; }
.service.is-active { display: block; }

/* ---------- Calls service ---------- */
.calls-view { height: 100%; }
.calls-view[data-view="lobby"] { display: flex; align-items: center; justify-content: center; padding: 20px; overflow: auto; }
.calls-view[data-view="room"]  { display: flex; flex-direction: column; }
.calls-view.hidden { display: none !important; }

.lobby-card { width: 100%; max-width: 520px; padding: 26px; animation: rise .5s cubic-bezier(.2,.8,.2,1); }
.lobby-title { font-family: var(--display); font-size: 30px; font-weight: 800; letter-spacing: -.03em; text-transform: uppercase; margin-bottom: 4px; }
.lobby-tagline { font-family: var(--mono); font-size: 12px; color: var(--text-dim); margin-bottom: 22px; }

.lobby-actions { display: flex; flex-direction: column; gap: 18px; }
.action__title { font-family: var(--display); font-size: 17px; font-weight: 700; letter-spacing: -.02em; text-transform: uppercase; margin-bottom: 4px; }
.action__desc { font-family: var(--mono); font-size: 11.5px; color: var(--text-dim); margin-bottom: 12px; line-height: 1.5; }
.row { display: flex; gap: 9px; }
.row .input { flex: 1; }
.action__sep { display: flex; align-items: center; gap: 12px; color: var(--text-mute); font-family: var(--mono); font-size: 11px; }
.action__sep::before, .action__sep::after { content: ""; flex: 1; height: 1px; background: var(--line-soft); }

/* room */
.room-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--bg-soft); flex-shrink: 0;
}
.room-head__left { display: flex; align-items: baseline; gap: 6px; min-width: 0; }
.room-tag { color: var(--accent); font-family: var(--mono); font-weight: 700; }
.room-name { font-family: var(--mono); font-weight: 600; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.room-count { font-family: var(--mono); font-size: 11px; color: var(--text-mute); margin-left: 6px; }
.room-head__chat { display: none; }

.room-body { flex: 1; display: flex; min-height: 0; }

.grid {
  flex: 1; min-width: 0; display: grid; gap: 10px; padding: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); grid-auto-rows: 1fr;
  align-content: center; overflow: auto;
}
.grid[data-count="1"] { grid-template-columns: minmax(0, 720px); justify-content: center; }
.grid[data-count="2"] { grid-template-columns: repeat(2, minmax(0,1fr)); }

.tile {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden; min-height: 150px;
  display: flex; align-items: center; justify-content: center; aspect-ratio: 16 / 10;
  animation: rise .35s cubic-bezier(.2,.8,.2,1);
}
.tile.is-speaking { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 0 22px -6px var(--accent); }
.tile video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: #000; display: none; }
.tile.has-video video { display: block; }
.tile.is-local video { transform: scaleX(-1); }

.tile__avatar {
  width: 76px; height: 76px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 30px; font-weight: 700; color: var(--accent);
  background: var(--surface-2); border: 1px solid var(--line);
}
.tile.has-video .tile__avatar { display: none; }

.tile__bar {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  background: linear-gradient(0deg, rgba(0,0,0,.65), transparent);
  font-family: var(--mono); font-size: 12px;
}
.tile__name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile__name .you { color: var(--text-mute); font-weight: 400; }
.tile__mic { margin-left: auto; opacity: .9; }
.tile__mic.is-muted { color: var(--danger); }
.tile__state { font-size: 10px; color: var(--warn); }

.chat { width: 340px; flex-shrink: 0; display: flex; flex-direction: column; border-left: 1px solid var(--line); background: var(--bg-soft); }
.chat__log { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.chat__form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.chat__form .input { flex: 1; }

.msg { display: flex; flex-direction: column; gap: 2px; max-width: 100%; }
.msg__head { font-family: var(--mono); font-size: 10.5px; color: var(--text-mute); display: flex; gap: 7px; }
.msg__author { color: var(--text-dim); font-weight: 600; }
.msg.mine .msg__author { color: var(--accent); }
.msg__text {
  font-size: 13.5px; line-height: 1.45; color: var(--text);
  background: var(--surface); border: 1px solid var(--line-soft);
  padding: 7px 10px; border-radius: 4px 10px 10px 10px; word-wrap: break-word; overflow-wrap: anywhere; white-space: pre-wrap;
}
.msg.mine .msg__text { background: rgba(59,130,246,.07); border-color: rgba(59,130,246,.2); border-radius: 10px 4px 10px 10px; }
.msg--sys { align-items: center; }
.msg--sys .msg__text { background: transparent; border: none; color: var(--text-mute); font-family: var(--mono); font-size: 11px; padding: 2px 0; text-align: center; }

.controls {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px; border-top: 1px solid var(--line); background: var(--bg-soft); flex-shrink: 0;
}
.ctl {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 12.5px; font-weight: 600; color: var(--text-dim);
  background: var(--surface); border: 1px solid var(--line); border-radius: 2px; padding: 10px 18px; cursor: pointer;
  transition: transform .08s, background .15s, color .15s, border-color .15s;
}
.ctl:active { transform: translateY(1px); }
.ctl:hover { border-color: var(--text-mute); color: var(--text); }
.ctl[aria-pressed="true"] { background: var(--accent); color: #ffffff; border-color: var(--accent); }
.ctl--danger { color: var(--danger); }
.ctl--danger:hover { background: var(--danger); color: #ffffff; border-color: var(--danger); }
.ctl__icon { width: 18px; height: 18px; display: inline-block; }

/* ---------- Empty window service (stub) ---------- */
.empty-stage { height: 100%; display: flex; align-items: center; justify-content: center; padding: 28px; }
.empty-win { width: 100%; max-width: 560px; border: 1px solid var(--line); border-radius: var(--r);
  background: var(--surface); overflow: hidden; box-shadow: 0 24px 60px -28px rgba(0,0,0,.8); animation: rise .4s cubic-bezier(.2,.8,.2,1); }
.empty-win__chrome { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.empty-win__dots { display: flex; gap: 6px; }
.empty-win__dots i { width: 11px; height: 11px; border-radius: 50%; background: var(--line); display: block; }
.empty-win__dots i:first-child { background: #3a3030; }
.empty-win__title { font-family: var(--mono); font-size: 12px; color: var(--text-mute); }
.empty-win__body { padding: 56px 36px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px;
  background-image: radial-gradient(var(--line-soft) 1px, transparent 1px); background-size: 18px 18px; }
.empty-win__glyph { width: 44px; height: 44px; color: var(--text-mute); margin-bottom: 6px; }
.empty-win__h { font-family: var(--display); font-size: 18px; font-weight: 700; letter-spacing: -.02em; text-transform: uppercase; }
.empty-win__p { font-family: var(--mono); font-size: 12px; color: var(--text-dim); line-height: 1.6; max-width: 380px; }

/* ---------- Incoming-call modal (global) ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: rgba(5,7,10,.7); backdrop-filter: blur(4px); }
.modal__box { width: 100%; max-width: 360px; padding: 28px; text-align: center; animation: rise .3s ease; }
.modal__icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%;
  background: rgba(59,130,246,.12); border: 1px solid rgba(59,130,246,.3); position: relative; }
.modal__icon::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--accent); animation: ring 1.4s ease-out infinite; }
@keyframes ring { 0% { transform: scale(.7); opacity: .9; } 100% { transform: scale(1.5); opacity: 0; } }
.modal__text { font-size: 15px; line-height: 1.5; margin-bottom: 22px; }
.modal__text b { font-family: var(--mono); color: var(--accent); }
.modal__actions { display: flex; gap: 10px; }
.modal__actions .btn { flex: 1; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(8px); z-index: 110;
  background: var(--surface-2); border: 1px solid var(--line); color: var(--text);
  font-family: var(--mono); font-size: 12.5px; padding: 11px 18px; border-radius: 2px;
  box-shadow: 0 12px 30px -12px rgba(0,0,0,.7); opacity: 0; transition: opacity .25s, transform .25s; pointer-events: none; max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Mobile ---------- */
@media (max-width: 760px) {
  :root { --dock-w: 56px; }
  .dock-app { width: 42px; height: 42px; }
  .dock-app__icon { width: 20px; height: 20px; }
  .dock-app__tip { display: none; }
  .dock-user { width: 36px; height: 36px; }
  .topbar__user { display: none; }

  .room-head__chat { display: inline-flex; }
  .room-body { position: relative; }
  .chat { position: absolute; inset: 0; width: 100%; z-index: 5; transform: translateX(100%); transition: transform .25s ease; border-left: none; }
  .chat.open { transform: translateX(0); }
  .grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); padding: 10px; }
  .ctl__label { display: none; }
  .ctl { padding: 12px 16px; }
}

/* =========================================================================
   PHONES — switch the left dock to a bottom bar, stack forms, respect the
   safe-area (notch / home indicator), and avoid iOS focus-zoom on inputs.
   ========================================================================= */
@media (max-width: 600px) {
  /* iOS zooms the page when a focused input has font-size < 16px. */
  .input, .ctl, .btn { font-size: 16px; }

  /* --- Shell: dock becomes a bottom navigation bar --- */
  .desktop { flex-direction: column; }

  .dock {
    width: 100%; height: auto; flex-direction: row; gap: 10px;
    justify-content: space-between; order: 2;
    padding: 8px 14px calc(8px + env(safe-area-inset-bottom));
    border-right: none; border-top: 1px solid var(--line);
  }
  .dock__brand { display: none; }
  .dock__apps { flex-direction: row; gap: 10px; }
  .dock__bottom { margin-top: 0; flex-direction: row; gap: 10px; }
  .dock-app.is-active::before {
    left: 50%; top: -8px; bottom: auto; transform: translateX(-50%);
    width: 24px; height: 4px; border-radius: 4px 4px 0 0;
  }
  /* incoming-call badge would clip at the screen edge — nudge it inward */
  .dock-app.ringing .dock-app__badge { right: 2px; top: 2px; }

  .workspace { order: 1; flex: 1; min-height: 0; }
  .topbar { padding-left: calc(16px + env(safe-area-inset-left));
            padding-right: calc(16px + env(safe-area-inset-right)); }

  /* --- Login / lobby cards: edge-to-edge, comfy padding --- */
  .screen--center { padding: 16px; }
  .login-card { padding: 24px 20px; }
  .lobby-card { padding: 22px 18px; }
  .lobby-title { font-size: 25px; }

  /* Stack the "input + button" rows so the button is full width & tappable */
  .row { flex-direction: column; align-items: stretch; }
  .row .btn { width: 100%; }

  /* --- Call room --- */
  .room-head { padding: 10px 14px; }
  .grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    grid-auto-rows: minmax(120px, auto); padding: 8px; gap: 8px;
    align-content: stretch;
  }
  /* Solo / one-up tiles fill the available space instead of forcing 16:10 */
  .grid[data-count="1"], .grid[data-count="2"] { grid-template-columns: 1fr; }
  .tile { aspect-ratio: auto; min-height: 0; }

  .controls {
    gap: 8px; padding: 12px 12px calc(12px + env(safe-area-inset-bottom));
  }
  .ctl { flex: 1; justify-content: center; padding: 14px 10px; }

  /* Chat slide-over keeps clear of the on-screen controls */
  .chat__form { padding: 12px 12px calc(12px + env(safe-area-inset-bottom)); }
}

/* --- Phone landscape: keep the call usable when the keyboard/short height
       squeezes the viewport (e.g. rotated phone). --- */
@media (max-width: 900px) and (max-height: 480px) and (orientation: landscape) {
  .controls { padding: 8px; }
  .ctl { padding: 10px; }
  .grid { grid-auto-rows: minmax(90px, auto); }
  .room-head { padding: 6px 14px; }
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--surface-2); }