:root {
    color-scheme: dark;
    --bg: #080a0e;
    --surface: #101319;
    --surface-2: #161a22;
    --border: rgba(255,255,255,.09);
    --text: #f5f7fb;
    --muted: #9aa3b2;
    --accent: #7c5cff;
    --accent-2: #a992ff;
    --danger: #ee5266;
    --success: #39d98a;
    --shadow: 0 30px 80px rgba(0,0,0,.4);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: radial-gradient(circle at 20% 10%, rgba(124,92,255,.16), transparent 34%), radial-gradient(circle at 80% 85%, rgba(76,110,245,.08), transparent 35%); }
.home-shell { min-height: 100vh; display: grid; place-items: center; padding: 34px; position: relative; z-index: 1; }
.hero-card { width: min(920px, 100%); padding: 52px; border: 1px solid var(--border); border-radius: 28px; background: linear-gradient(145deg, rgba(18,21,29,.94), rgba(11,13,18,.96)); box-shadow: var(--shadow); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 760; letter-spacing: -.02em; font-size: 19px; }
.brand-mark { width: 34px; height: 34px; display: inline-grid; place-items: center; border-radius: 10px; background: linear-gradient(135deg, var(--accent), #5533e8); box-shadow: 0 8px 22px rgba(124,92,255,.28); }
.brand.compact { font-size: 16px; }.brand.compact .brand-mark { width: 30px; height: 30px; }
.status-pill { display: inline-flex; align-items: center; gap: 9px; margin-left: 18px; padding: 7px 10px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: 12px; vertical-align: 2px; }
.status-pill span { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 14px rgba(57,217,138,.7); }
h1 { font-size: clamp(46px, 8vw, 82px); line-height: .97; letter-spacing: -.06em; margin: 55px 0 24px; }
.hero-copy { max-width: 670px; font-size: 17px; line-height: 1.65; color: var(--muted); }
.create-form { margin-top: 36px; }
label { display: block; font-size: 13px; font-weight: 680; color: #c9cfda; margin: 0 0 10px; }
.input-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
input { width: 100%; min-height: 52px; background: #0a0d12; color: var(--text); border: 1px solid var(--border); border-radius: 13px; padding: 0 16px; outline: none; transition: border .2s, box-shadow .2s; }
input:focus { border-color: rgba(124,92,255,.7); box-shadow: 0 0 0 4px rgba(124,92,255,.11); }
.primary-button, .secondary-button, .ghost-button { border: 0; border-radius: 13px; font-weight: 720; color: white; }
.primary-button { min-height: 52px; padding: 0 22px; background: linear-gradient(135deg, var(--accent), #6544ec); box-shadow: 0 10px 25px rgba(124,92,255,.22); }
.primary-button:hover:not(:disabled) { filter: brightness(1.08); }
.primary-button.wide { width: 100%; margin-top: 14px; }
.inline-button { display: inline-flex; align-items: center; text-decoration: none; }
.secondary-button { min-height: 43px; padding: 0 14px; background: var(--surface-2); border: 1px solid var(--border); }
.ghost-button { background: transparent; border: 1px solid var(--border); padding: 10px 14px; }
.form-message { min-height: 20px; margin: 10px 2px 0; color: var(--muted); font-size: 13px; }.form-message.error { color: #ff8f9e; }
.setup-warning { margin-top: 24px; border: 1px solid rgba(238,82,102,.28); background: rgba(238,82,102,.08); border-radius: 13px; padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; color: #ffd8dd; font-size: 13px; }.setup-warning span { color: var(--muted); }.setup-warning code { color: #dadfff; }
.feature-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 38px; padding-top: 24px; border-top: 1px solid var(--border); }.feature-row div { display:flex; flex-direction:column; gap:4px; }.feature-row strong { font-size: 13px; }.feature-row span { color: var(--muted); font-size: 12px; }
.prejoin-overlay { min-height: 100vh; display: grid; place-items: center; padding: 24px; position: relative; z-index: 2; }
.prejoin-card, .state-card { width: min(510px, 100%); background: rgba(16,19,25,.96); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); padding: 28px; }
.prejoin-card h1, .state-card h1 { font-size: 36px; margin: 18px 0 18px; letter-spacing: -.04em; }
.eyebrow { display: block; color: var(--accent-2); font-size: 11px; margin-top: 24px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.preview-wrap { aspect-ratio: 16/9; background: #050608; border-radius: 16px; overflow: hidden; position: relative; margin-bottom: 20px; border: 1px solid var(--border); }
.preview-wrap video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.video-fallback { position:absolute; inset:0; display:grid; place-items:center; color:var(--muted); font-size:13px; background:#090b0f; }.video-fallback[hidden] { display:none; }
.prejoin-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 10px; }
.meeting-app { min-height: 100vh; padding: 14px 18px 102px; position: relative; z-index: 1; }
.meeting-header { min-height: 58px; display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:15px; }
.room-meta { display:flex; align-items:center; gap:10px; color:var(--muted); font-size:12px; }.room-meta #roomCode { color:#d7dcE7; font-weight:750; letter-spacing:.06em; }.meeting-header .ghost-button { justify-self:end; }
.video-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); grid-auto-rows:minmax(260px, 1fr); gap:12px; min-height: calc(100vh - 180px); align-content:center; }
.video-tile { position:relative; min-height:260px; background:#0d1015; border:1px solid var(--border); border-radius:19px; overflow:hidden; box-shadow:0 12px 35px rgba(0,0,0,.18); }.video-tile video { width:100%; height:100%; min-height:260px; object-fit:cover; display:block; background:#07090c; }.video-tile[data-peer-id="local"] video { transform:scaleX(-1); }
.tile-overlay { position:absolute; left:12px; bottom:12px; display:flex; gap:8px; align-items:center; background:rgba(5,7,10,.65); backdrop-filter:blur(10px); padding:7px 9px; border-radius:9px; font-size:12px; }.tile-overlay b { font-size:9px; letter-spacing:.08em; color:#c8bbff; }
.meeting-controls { position:fixed; z-index:10; left:50%; bottom:18px; transform:translateX(-50%); display:flex; gap:8px; padding:8px; border:1px solid var(--border); border-radius:19px; background:rgba(13,16,21,.86); backdrop-filter:blur(18px); box-shadow:0 16px 45px rgba(0,0,0,.35); }
.control-button { min-width:76px; min-height:61px; border:1px solid var(--border); border-radius:13px; background:#191d25; color:white; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px; }.control-button span { font-size:17px; }.control-button small { font-size:10px; color:var(--muted); }.control-button.active { background:#24293a; }.control-button.off { background:#2a1c22; }.control-button.danger { background:rgba(238,82,102,.15); border-color:rgba(238,82,102,.35); }.control-button.danger small { color:#ffb6c0; }
.toast { position:fixed; top:82px; left:50%; transform:translate(-50%, -10px); opacity:0; pointer-events:none; background:#1b2029; border:1px solid var(--border); border-radius:11px; padding:10px 14px; color:#edf0f6; font-size:12px; transition:.2s; box-shadow:0 10px 30px rgba(0,0,0,.25); }.toast.show { opacity:1; transform:translate(-50%, 0); }
.center-state { min-height:100vh; display:grid; place-items:center; padding:24px; position:relative; z-index:1; }.center-state.embedded { min-height:calc(100vh - 30px); }.state-card p { color:var(--muted); line-height:1.6; margin-bottom:24px; }
@media (max-width: 700px) {
    .home-shell { padding:16px; }.hero-card { padding:28px 20px; border-radius:22px; }.status-pill { display:flex; width:max-content; margin:18px 0 0; }.hero-card h1 { margin-top:38px; }.input-row { grid-template-columns:1fr; }.feature-row { grid-template-columns:1fr; }.meeting-app { padding:8px 8px 96px; }.meeting-header { grid-template-columns:1fr auto; }.meeting-header .brand { display:none; }.room-meta { justify-self:start; }.meeting-header .ghost-button { justify-self:end; }.video-grid { grid-template-columns:1fr; grid-auto-rows:minmax(210px, 43vh); min-height:auto; }.video-tile, .video-tile video { min-height:210px; }.meeting-controls { width:calc(100% - 16px); bottom:8px; justify-content:center; }.control-button { flex:1; min-width:0; }.prejoin-card { padding:20px; }.prejoin-card h1 { font-size:30px; }
}


/* v1.0.4: reliable prejoin/meeting visibility and camera-off states */
.video-placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 14px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 42%, rgba(124,92,255,.14), transparent 28%),
        #090b0f;
    color: var(--muted);
    font-size: 13px;
}
.video-avatar {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(85,51,232,.95));
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.04em;
    box-shadow: 0 18px 45px rgba(124,92,255,.22);
}
.video-tile.media-empty video { display: none; }
.video-grid.single-participant {
    grid-template-columns: minmax(320px, 1080px);
    justify-content: center;
}
.video-grid.single-participant .video-tile {
    width: 100%;
    max-height: calc(100vh - 190px);
    aspect-ratio: 16 / 9;
}
.prejoin-card .form-message.error {
    line-height: 1.5;
}


/* v1.0.5: local camera is mirrored, shared screen is not */
.video-tile[data-peer-id="local"].screen-sharing video {
    transform: none !important;
}


/* v1.1.0: avatar mode + backgrounds */
select {
    width: 100%;
    min-height: 46px;
    background: #0a0d12;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 13px;
    padding: 0 14px;
    outline: none;
}
select:focus {
    border-color: rgba(124,92,255,.7);
    box-shadow: 0 0 0 4px rgba(124,92,255,.11);
}
.avatar-panel {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}
.avatar-mode-button {
    width: 100%;
}
.avatar-mode-button.active {
    background: #24293a;
}
.avatar-settings {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}
.setting-field label {
    margin-bottom: 8px;
}
.preview-wrap.avatar-mode video {
    transform: none;
}
.video-tile[data-peer-id="local"].avatar-mode video {
    transform: none !important;
}
.video-tile.avatar-mode {
    background: #090b10;
}
@media (max-width: 700px) {
    .avatar-settings {
        grid-template-columns: 1fr;
    }
}