.rtc-body {
    display: block;
    padding: calc(var(--nav-h, 58px) + 18px) 0 0;
    min-height: 100vh;
    background: var(--bg);
}

.rtc-body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(900px 520px at 10% -12%, rgba(105, 205, 242, 0.24), transparent 62%),
        radial-gradient(760px 460px at 100% -6%, rgba(79, 189, 229, 0.16), transparent 60%);
}

.rtc-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 26px 18px 40px;
}

.rtc-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.rtc-head h1 {
    font-size: 1.08rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: var(--text);
}

.rtc-badge {
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--tag-text);
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
}

.rtc-live {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 600;
    color: #c2403a;
    background: rgba(229, 83, 75, 0.12);
}

.rtc-live i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: rtcPulse 1.4s ease-in-out infinite;
}

@keyframes rtcPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.25; }
}

.rtc-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    overflow: hidden;
    background: #0a1018;
    border: 1px solid var(--card-border);
    box-shadow: var(--soft-shadow);
}

.rtc-stage video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #0a1018;
    display: block;
}

.rtc-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: rgba(240, 248, 255, 0.55);
    font-size: 0.84rem;
    text-align: center;
    padding: 24px;
}

.rtc-placeholder[hidden] {
    display: none !important;
}

.rtc-placeholder svg {
    width: 46px;
    height: 46px;
    opacity: 0.5;
}

.rtc-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 9px;
    margin-top: 14px;
}

.rtc-input {
    height: 42px;
    padding: 0 14px;
    border-radius: 13px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-align: center;
    text-transform: uppercase;
    outline: none;
    width: 150px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.rtc-input:focus {
    border-color: var(--ice);
    box-shadow: 0 0 0 3px var(--ice-soft);
}

.rtc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 42px;
    padding: 0 20px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--ice-bright), var(--ice-deep));
    color: #fff;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    cursor: pointer;
    box-shadow: 0 12px 26px -14px rgba(44, 148, 189, 0.95);
    transition: transform 0.2s var(--ease), box-shadow 0.2s ease, opacity 0.2s ease;
}

.rtc-btn:hover {
    box-shadow: 0 16px 32px -14px rgba(44, 148, 189, 1);
}

.rtc-btn:active {
    transform: scale(0.98);
}

.rtc-btn[hidden] {
    display: none !important;
}

.rtc-btn.ghost {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--muted);
    box-shadow: none;
}

.rtc-btn.ghost:hover {
    color: var(--text);
    border-color: var(--ice);
}

.rtc-status {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 13px;
    font-size: 0.78rem;
    line-height: 1.6;
    color: var(--muted);
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
}

.rtc-status:empty {
    display: none;
}

.rtc-status.ok {
    color: #0f8a5f;
    background: rgba(24, 170, 110, 0.12);
    border-color: rgba(24, 170, 110, 0.25);
}

.rtc-status.bad {
    color: #c2403a;
    background: rgba(229, 83, 75, 0.12);
    border-color: rgba(229, 83, 75, 0.25);
}

[data-theme="dark"] .rtc-status.ok {
    color: #55e2a6;
}

[data-theme="dark"] .rtc-status.bad {
    color: #ff918a;
}

.rtc-link {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 13px;
    background: var(--card-bg);
    border: 1px dashed var(--card-border);
}

.rtc-link[hidden] {
    display: none !important;
}

.rtc-link span {
    font-size: 0.74rem;
    color: var(--faint);
    flex: 0 0 auto;
}

.rtc-link input {
    flex: 1 1 220px;
    min-width: 0;
    height: 34px;
    padding: 0 11px;
    border-radius: 9px;
    border: 1px solid var(--card-border);
    background: var(--tag-bg);
    color: var(--text);
    font-family: inherit;
    font-size: 0.76rem;
    outline: none;
}

.rtc-tips {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: 15px;
    background: var(--tag-bg);
    border: 1px solid var(--var-border, var(--tag-border));
    font-size: 0.76rem;
    line-height: 1.9;
    color: var(--muted);
}

.rtc-tips b {
    color: var(--text);
    font-weight: 600;
}

.rtc-count {
    margin-left: auto;
    font-size: 0.76rem;
    color: var(--muted);
}

.rtc-count b {
    color: var(--ice-deep);
    font-size: 0.92rem;
}

[data-theme="dark"] .rtc-count b {
    color: var(--ice-bright);
}

@media (max-width: 620px) {
    .rtc-wrap {
        padding: 18px 12px 32px;
    }

    .rtc-bar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .rtc-bar > .rtc-input,
    .rtc-bar > .rtc-pass,
    .rtc-bar > .rtc-select,
    .rtc-bar > .rtc-opt {
        grid-column: 1 / -1;
        width: 100%;
        min-width: 0;
    }

    .rtc-btn {
        width: 100%;
        min-width: 0;
        padding: 0 10px;
        flex: none;
        white-space: nowrap;
    }

    .rtc-btn.wide {
        grid-column: 1 / -1;
    }

    .rtc-stage {
        border-radius: 15px;
    }
}

.rtc-alert {
    margin-top: 12px;
    padding: 11px 14px;
    border-radius: 13px;
    font-size: 0.78rem;
    line-height: 1.6;
    color: #c2403a;
    background: rgba(229, 83, 75, 0.1);
    border: 1px solid rgba(229, 83, 75, 0.24);
}

.rtc-alert[hidden] {
    display: none !important;
}

[data-theme="dark"] .rtc-alert {
    color: #ff918a;
}

.rtc-alert a {
    color: var(--ice-deep);
    text-decoration: underline;
}

[data-theme="dark"] .rtc-alert a {
    color: var(--ice-bright);
}

.rtc-opt {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 42px;
    padding: 0 14px;
    border-radius: 13px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--muted);
    font-size: 0.78rem;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.rtc-opt input {
    width: 15px;
    height: 15px;
    accent-color: var(--ice-deep);
    cursor: pointer;
}

.rtc-pass {
    height: 42px;
    padding: 0 14px;
    border-radius: 13px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text);
    font-family: inherit;
    font-size: 0.82rem;
    outline: none;
    min-width: 170px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.rtc-pass:focus {
    border-color: var(--ice);
    box-shadow: 0 0 0 3px var(--ice-soft);
}

.rtc-pass[hidden] {
    display: none !important;
}

.rtc-rooms {
    margin-top: 18px;
    padding: 16px;
    border-radius: 16px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
}

.rtc-rooms-head {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.rtc-rooms-head span {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--faint);
}

.rtc-rooms-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.rtc-room {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 9px 14px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: var(--tag-bg);
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.18s ease, transform 0.18s ease;
}

.rtc-room:hover {
    border-color: var(--ice);
    transform: translateY(-1px);
}

.rtc-room b {
    font-size: 0.82rem;
    color: var(--text);
    letter-spacing: 0.06em;
}

.rtc-room span {
    font-size: 0.68rem;
    color: var(--muted);
}

.rtc-empty {
    margin: 0;
    font-size: 0.75rem;
    color: var(--faint);
}

.rtc-select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 30px;
    background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
        linear-gradient(135deg, currentColor 50%, transparent 50%);
    background-position: calc(100% - 16px) 19px, calc(100% - 11px) 19px;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    cursor: pointer;
}

.rtc-select[disabled] {
    opacity: 0.6;
}


.rtc-speakers {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 13px;
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
}

.rtc-speakers[hidden] {
    display: none !important;
}

.rtc-spk {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 11px;
    border-radius: 999px;
    font-size: 0.74rem;
    color: var(--text);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
}

.rtc-spk .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #27AE87;
    animation: rtcPulse 1.6s ease-in-out infinite;
}

.rtc-spk.mine {
    border-color: var(--ice);
    color: var(--ice-deep);
}

.rtc-spk.none {
    color: var(--faint);
    background: transparent;
    border-color: transparent;
    padding-left: 0;
}

.rtc-btn.on {
    border-color: #E5534B;
    color: #E5534B;
}

[data-theme="dark"] .rtc-spk.mine {
    color: var(--ice-bright);
}

@media (max-width: 620px) {
    .rtc-speakers {
        margin-top: 10px;
    }
}