/* Stream P2P — dark only. Tokens mirror the canvas "Tokens" board. */
:root {
  color-scheme: dark;
  --bg: #0a0a0b; --surface: #141416; --raised: #1c1c20; --border: #2a2a30; --divider: #23232a; --input: #52525b;
  --text: #f2f2f4; --muted: #a1a1aa; --chat: #c9c9d0;
  --violet: #7f00ff; /* fills only: 3.1:1 on bg */
  --violet-border: #9a3dff; --violet-text: #b266ff; --violet-hover: #cc99ff; --violet-soft: #22103d;
  --live: #2ee59d; --error: #ff4d4d; --warn: #ffb020;
  --r: 12px; --r-lg: 20px;
  --font-title: Archivo, 'Arial Narrow', system-ui, sans-serif;
  --font: Inter, system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font: 16px/1.45 var(--font); }
body { overflow-x: hidden; }
a { color: var(--violet-text); }
a:hover { color: var(--violet-hover); }
[hidden] { display: none !important; }
h1, h2, h3 { font-family: var(--font-title); font-stretch: 75%; text-transform: uppercase; margin: 0; line-height: 1.05; }
h1 { font-weight: 900; font-size: clamp(32px, 6vw, 56px); }
h2 { font-weight: 800; font-size: 22px; }
h3 { font-weight: 700; font-size: 16px; letter-spacing: .02em; }
p { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
svg.i { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex: none; }
svg.i.sm { width: 18px; height: 18px; }

/* focus ring from Components board: 3px #B266FF, offset 3 */
:focus-visible { outline: 3px solid var(--violet-text); outline-offset: 3px; }

/* ── buttons ── */
button, .btn { font: inherit; color: inherit; cursor: pointer; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 18px; border-radius: var(--r); border: 1px solid var(--border);
  background: var(--raised); color: var(--text); font-weight: 600; text-decoration: none; white-space: nowrap;
}
.btn:hover { border-color: var(--input); color: var(--text); }
.btn.primary { background: var(--violet); border-color: var(--violet); color: #fff; }
.btn.primary:hover { background: #8f1fff; }
.btn.danger { background: transparent; border-color: var(--error); color: var(--error); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.icon { width: 48px; padding: 0; }
.btn.big { min-height: 56px; font-size: 17px; border-radius: 14px; }
.btn[aria-pressed="true"].toggle { background: var(--violet-soft); border-color: var(--violet-border); }
.btn.off { color: var(--error); border-color: var(--error); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ── form ── */
.field { display: flex; flex-direction: column; gap: 8px; font-size: 14px; font-weight: 600; }
input[type=text], input[type=password], input[type=number], select, textarea {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--input);
  border-radius: var(--r); min-height: 52px; padding: 0 14px; width: 100%; min-width: 0;
}
input.code { font-family: var(--mono); letter-spacing: .08em; }
input[aria-invalid="true"] { border: 2px solid var(--error); }
.row { display: flex; gap: 8px; align-items: center; }
.row > input { flex: 1; }
.hint { font-size: 13px; color: var(--muted); font-weight: 400; display: flex; gap: 8px; align-items: flex-start; }
.hint.ok { color: var(--live); }
.hint button { font: inherit; color: var(--violet-text); background: none; border: 0; padding: 0; text-decoration: underline; }
.field-error { font-size: 14px; color: var(--error); display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
.chip-code { font-family: var(--mono); font-weight: 500; padding: 1px 6px; border-radius: 6px; border: 1px solid currentColor; font-size: 13px; }

/* switch (role=switch) */
.switch { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 48px; width: 100%; background: none; border: 0; padding: 0; text-align: left; font-size: 15px; }
.switch .track { width: 44px; height: 26px; border-radius: 999px; background: var(--input); position: relative; flex: none; transition: background .15s; }
.switch .track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: transform .15s; }
.switch[aria-checked="true"] .track { background: var(--violet); }
.switch[aria-checked="true"] .track::after { transform: translateX(18px); }

/* segmented control */
.seg { display: flex; gap: 4px; padding: 4px; background: var(--bg); border: 1px solid var(--border); border-radius: 14px; flex-wrap: wrap; }
.seg button { flex: 1; min-height: 44px; border: 0; border-radius: 10px; background: transparent; color: var(--muted); font-weight: 600; padding: 0 12px; }
.seg button[aria-pressed="true"], .seg button[aria-selected="true"] { background: var(--raised); color: var(--text); box-shadow: inset 0 0 0 1px var(--violet-border); }

/* badges */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; letter-spacing: .04em; padding: 3px 10px; border-radius: 999px; text-transform: uppercase; }
.badge.live { background: rgba(46, 229, 157, .12); color: var(--live); }
.badge.live::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--live); }
.badge.paused { background: rgba(255, 176, 32, .12); color: var(--warn); }
.badge.role { background: var(--violet-soft); color: var(--violet-hover); text-transform: none; letter-spacing: 0; font-weight: 600; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; display: flex; flex-direction: column; gap: 16px; }

/* ── banners (T07 install, T14 update) ── */
.banner { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--violet-soft); border-bottom: 1px solid var(--violet-border); font-size: 14px; flex-wrap: wrap; }
.banner p { flex: 1 1 220px; }
.banner .btn { min-height: 40px; }

/* ── screens ── */
[data-screen] { min-height: 100dvh; }
.screen-center { display: flex; flex-direction: column; align-items: center; padding: 40px 16px; gap: 32px; }
.wrap { width: 100%; max-width: 980px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .name { font-family: var(--font-title); font-stretch: 75%; font-weight: 900; font-size: 22px; text-transform: uppercase; }
.hero { display: flex; flex-direction: column; gap: 12px; }
.grid-2 { display: flex; flex-wrap: wrap; gap: 24px; align-items: flex-start; }
.bot-add { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.bot-add[hidden] { display: none; }
.bot-add p { margin: 0; flex: 1 1 260px; }
.grid-2 > * { flex: 1 1 320px; min-width: 0; }
.voice-opt { border-radius: var(--r); padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; text-align: left; background: var(--bg); border: 2px solid var(--border); width: 100%; }
.voice-opt[aria-checked="true"] { background: var(--violet-soft); border-color: var(--violet-border); }
.perm { display: flex; flex-direction: column; gap: 4px; padding: 10px 0; border-top: 1px solid var(--divider); }
.perm .top { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; font-weight: 600; }
.pill { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--raised); }

/* ── session (T03) ── */
.session { display: grid; grid-template-columns: minmax(0, 1fr) 340px; grid-template-rows: auto minmax(0, 1fr) auto; height: 100dvh; }
.s-head { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--divider); flex-wrap: wrap; }
.s-head .grow { flex: 1; }
.code-box { display: flex; align-items: center; gap: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 0 4px 0 12px; min-height: 44px; }
.code-box .val { font-family: var(--mono); letter-spacing: .08em; min-width: 8ch; }
.code-box .btn.icon { width: 40px; min-height: 40px; }
.stage { position: relative; background: #000; display: flex; flex-direction: column; min-height: 0; }
.stage video { flex: 1; width: 100%; min-height: 0; object-fit: contain; background: #000; }
.overlay { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 24px; text-align: center; background: var(--bg); }
.overlay.dim { background: rgba(10, 10, 11, .78); }
.stage-meta { position: absolute; top: 12px; left: 12px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; z-index: 2; }
.stage-meta .tag { background: rgba(10, 10, 11, .8); padding: 4px 10px; border-radius: 999px; font-size: 13px; }
button.tag { display: inline-flex; align-items: center; gap: 6px; border: 1px solid transparent; color: var(--text); font: inherit; font-size: 13px; cursor: pointer; }
button.tag[aria-pressed="true"] { border-color: var(--violet-border); }
.metrics { position: absolute; top: 52px; left: 12px; z-index: 2; max-width: calc(100% - 24px); background: rgba(10, 10, 11, .88); border: 1px solid var(--border); border-radius: var(--r); padding: 8px 4px; font-size: 13px; }
.metrics table { border-collapse: collapse; }
.metrics th, .metrics td { padding: 3px 10px; text-align: left; font-variant-numeric: tabular-nums; white-space: nowrap; }
.metrics thead th { color: var(--muted); font-weight: 600; }
.metrics tbody th { color: var(--muted); font-weight: 400; }
.metrics td.worse { color: var(--warn); }
.metrics p { padding: 4px 10px 0; max-width: 340px; }
.request { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--violet-soft); border-bottom: 1px solid var(--violet-border); flex-wrap: wrap; }
.request p { flex: 1 1 200px; }
.presenter-bar { display: flex; gap: 8px; padding: 12px; background: var(--surface); border-top: 1px solid var(--border); flex-wrap: wrap; align-items: center; }
.presenter-bar .seg { flex: 0 1 auto; }
.presenter-bar .switch { width: auto; min-width: 180px; }
.side { border-left: 1px solid var(--divider); display: flex; flex-direction: column; min-height: 0; }
.side .tabs { display: none; }
.panel { display: flex; flex-direction: column; min-height: 0; padding: 16px; gap: 10px; border-bottom: 1px solid var(--divider); }
.panel.people { flex: 0 1 auto; max-height: 45%; overflow: auto; }
.panel.chat { flex: 1; }
/* Side panel hidden: the stage takes the whole width; new messages light a dot on the button. */
.session.side-off { grid-template-columns: minmax(0, 1fr); }
.session.side-off .side { display: none; }
.unread { width: 8px; height: 8px; border-radius: 50%; background: var(--violet); }
.people-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.person { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 4px 6px; border-radius: 10px; }
.person:hover { background: var(--surface); }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--raised); display: grid; place-items: center; font-weight: 700; font-size: 14px; flex: none; color: var(--violet-hover); }
.person .who { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.person .who b { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.person .who span { font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.person .live-dot { color: var(--live); }
.person .who .person-vol { gap: 8px; }
.person-vol input[type=range] { flex: 1; min-width: 0; accent-color: var(--violet); }
.person-vol output { width: 3ch; text-align: right; font-family: var(--mono); }
.person .btn.icon { width: 40px; min-height: 40px; }
.messages { flex: 1; overflow: auto; display: flex; flex-direction: column; gap: 10px; min-height: 120px; }
.msg { font-size: 14px; color: var(--chat); overflow-wrap: anywhere; }
.msg b { color: var(--text); font-weight: 600; }
.msg time { color: var(--muted); font-size: 12px; margin-left: 6px; }
.msg.system { color: var(--muted); font-style: italic; }
.composer { display: flex; gap: 8px; }
.composer input { min-height: 48px; }
.s-foot { grid-column: 1 / -1; display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--divider); align-items: center; flex-wrap: wrap; }
.s-foot .grow { flex: 1; }
.label-sm { font-size: 13px; }

/* ── dialogs ── */
dialog { background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 0; width: min(720px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, .7); }
.dlg { display: flex; flex-direction: column; gap: 18px; padding: 24px; }
.dlg-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.section { display: flex; flex-direction: column; gap: 10px; padding-top: 14px; border-top: 1px solid var(--divider); }
.src-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; max-height: 280px; overflow: auto; }
#setup-form.swap > .section + .section { display: none; } /* changing the source live: quality and audio stay as they are */
.src { background: var(--bg); border: 2px solid var(--border); border-radius: var(--r); padding: 8px; display: flex; flex-direction: column; gap: 6px; text-align: left; }
.src[aria-pressed="true"] { border-color: var(--violet-border); background: var(--violet-soft); }
.src img, .src .thumb { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; background: var(--raised); display: grid; place-items: center; color: var(--muted); }
.src span { font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.quota { font-size: 14px; color: var(--muted); }
.quota.warn { color: var(--warn); }
.mix { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; align-items: center; }
.mix-row { display: flex; align-items: center; gap: 10px; min-height: 48px; }
.mix-row .name { width: 120px; flex: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mix-row input[type=range] { flex: 1; accent-color: var(--violet); min-width: 80px; }
.mix-row output { width: 4ch; text-align: right; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.matrix { width: 100%; border-collapse: collapse; font-size: 13px; }
.matrix th, .matrix td { padding: 8px 6px; border-bottom: 1px solid var(--divider); text-align: center; }
.matrix th:first-child, .matrix td:first-child { text-align: left; }
.matrix .yes { color: var(--live); }
.matrix .no { color: var(--muted); }
.menu { position: fixed; z-index: 50; background: var(--raised); border: 1px solid var(--border); border-radius: var(--r); padding: 6px; min-width: 220px; display: flex; flex-direction: column; box-shadow: 0 12px 32px rgba(0, 0, 0, .5); }
.menu button { min-height: 44px; display: flex; align-items: center; gap: 10px; padding: 0 12px; border: 0; background: none; border-radius: 8px; text-align: left; }
.menu button:hover, .menu button:focus-visible { background: var(--surface); }
.menu button.red { color: var(--error); }

/* ── errors & notices (T05) ── */
.toasts { position: fixed; right: 16px; bottom: 16px; z-index: 60; display: flex; flex-direction: column; gap: 10px; width: min(420px, calc(100vw - 32px)); }
.err { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--error); border-radius: var(--r); padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; box-shadow: 0 12px 32px rgba(0, 0, 0, .5); }
.err.info { border-left-color: var(--violet-border); }
.err.ok { border-left-color: var(--live); }
.err .t { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.err .t .chip-code { color: var(--error); }
.err.info .t .chip-code { color: var(--violet-text); }
.err .why { font-size: 14px; color: var(--chat); }
.err .acts { display: flex; gap: 8px; margin-top: 4px; flex-wrap: wrap; }
.err .acts .btn { min-height: 40px; }
.conn { position: fixed; top: 0; left: 50%; transform: translateX(-50%); z-index: 70; background: var(--raised); border: 1px solid var(--border); border-top: 0; border-radius: 0 0 12px 12px; padding: 8px 16px; font-size: 14px; display: flex; gap: 8px; align-items: center; }

/* ── mobile (T07): column layout, chat/people tabs, 48px targets ── */
@media (max-width: 860px) {
  .session { grid-template-columns: 1fr; grid-template-rows: auto auto minmax(0, 1fr) auto; }
  .stage { aspect-ratio: 16 / 9; max-height: 45dvh; }
  .side { border-left: 0; }
  .side .tabs { display: flex; margin: 8px 16px 0; }
  .session.side-off { grid-template-rows: auto minmax(0, 1fr) auto; }
  .session.side-off .stage { max-height: none; aspect-ratio: auto; }
  .side[data-tab="chat"] .panel.people, .side[data-tab="people"] .panel.chat { display: none; }
  .panel.people { max-height: none; flex: 1; }
  .s-head .latency, .s-foot .label-sm { display: none; }
  .presenter-bar .switch { min-width: 0; }
  .toasts { left: 16px; right: 16px; width: auto; }
}