:root {
    --bg: #14161c;
    --panel: #1c1f28;
    --panel-2: #232734;
    --line: #2e3342;
    --text: #e7eaf2;
    --muted: #949cb2;
    --accent: #5b8cff;
    --danger: #e05a5a;
    --ok: #4ac48a;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 0 0 8px; }

/* ---------------------------------------------------------------- главная */

.card {
    max-width: 460px;
    margin: 8vh auto;
    padding: 28px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
}

.hint { color: var(--muted); margin: 4px 0 18px; }

form {
    display: flex;
    gap: 8px;
    margin: 0;
}

input[type="text"] {
    flex: 1;
    min-width: 0;
    padding: 11px 13px;
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 9px;
    color: var(--text);
    font-size: 15px;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
}

button {
    padding: 11px 18px;
    background: var(--accent);
    border: 0;
    border-radius: 9px;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

button:disabled { opacity: .5; cursor: default; }

button.link {
    padding: 0 2px;
    background: none;
    color: var(--accent);
    font-weight: 400;
    font-size: 14px;
    text-decoration: underline;
}

.channels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}

.channel {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px;
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--text);
    text-decoration: none;
}

.channel:hover { border-color: var(--accent); }
.channel-icon { color: var(--muted); font-weight: 700; }

.warn {
    margin-top: 18px;
    padding: 11px 13px;
    background: rgba(224, 90, 90, .12);
    border: 1px solid rgba(224, 90, 90, .4);
    border-radius: 9px;
    color: #ffb9b9;
    font-size: 14px;
}

/* ----------------------------------------------------------------- канал */

body.room {
    display: flex;
    flex-direction: column;
}

.bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
}

.bar h1 { flex: 1; }

.back {
    color: var(--muted);
    font-size: 22px;
    text-decoration: none;
    line-height: 1;
}

.status { color: var(--muted); font-size: 13px; }

main {
    flex: 1;
    max-width: 620px;
    width: 100%;
    margin: 0 auto;
    padding: 22px 18px 110px;
}

.peers {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.peer {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--panel);
    border: 2px solid transparent;
    border-radius: 12px;
    transition: border-color .12s;
}

.peer.talking { border-color: var(--ok); }

.avatar {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: none;
    background: var(--panel-2);
    border-radius: 50%;
    font-weight: 700;
    color: var(--accent);
}

.peer-name { flex: 1; font-weight: 600; }
.peer-note { color: var(--muted); font-size: 13px; }
.peer.self .avatar { color: var(--ok); }

.empty, .error {
    margin-top: 18px;
    color: var(--muted);
    font-size: 14px;
    text-align: center;
}

.error { color: #ffb9b9; }

.controls {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 14px;
    background: var(--panel);
    border-top: 1px solid var(--line);
}

.ctl {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--line);
    font-weight: 500;
}

.ctl.off { background: rgba(224, 90, 90, .18); border-color: var(--danger); }
.ctl.danger { color: #ffb9b9; }
.ctl-icon { font-size: 17px; }

/* -------------------------------------------------------------- оверлей */

.overlay {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(10, 11, 15, .88);
}

.overlay[hidden] { display: none; }

.overlay-box {
    max-width: 400px;
    width: 100%;
    padding: 28px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    text-align: center;
}

.overlay-box p { color: var(--muted); }
.primary { width: 100%; padding: 13px; margin-top: 6px; }

@media (max-width: 480px) {
    .card { margin: 0; border-radius: 0; border: 0; min-height: 100vh; }
    .channels { grid-template-columns: 1fr; }
    .ctl-label { display: none; }
}