.peer-avatar {
    border: 1px solid var(--border);
    background: var(--dashboard-panel-2);
}

.media-tile {
    position: relative;
    min-width: 0;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--dashboard-panel);
}

.media-tile.screen {
    background: #0d0f13;
}

.media-video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
}

.media-video.screen {
    object-fit: contain;
    background: #0d0f13;
}

.media-video.local-camera {
    transform: scaleX(-1);
}

.media-tile.active .media-video {
    opacity: 1;
}

.media-placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 9px;
    color: var(--dashboard-text-dim);
    font-size: 11px;
}

.media-tile.active .media-placeholder {
    display: none;
}

.media-placeholder-avatar {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--dashboard-panel-2);
    color: var(--dashboard-text-soft);
    font-size: 14px;
    font-weight: 700;
}

.media-tile.screen .media-placeholder-avatar {
    border-radius: var(--radius-sm);
}

.media-tile-label {
    position: absolute;
    left: 8px;
    bottom: 8px;
    max-width: calc(100% - 16px);
    padding: 4px 6px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: rgba(29, 33, 41, 0.92);
    color: var(--dashboard-text-soft);
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.publication-error {
    margin-top: 10px;
    padding: 9px 11px;
    border: 1px solid rgba(224, 108, 117, 0.25);
    border-radius: var(--radius-sm);
    background: rgba(224, 108, 117, 0.08);
    color: #f0b3b9;
    font-size: 11px;
    line-height: 1.45;
}

.voice-primary-button {
    min-height: 34px;
    padding: 7px 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    background: var(--dashboard-panel-3);
    color: var(--dashboard-text);
    font-weight: 700;
    cursor: pointer;
}

.voice-primary-button:hover {
    background: #2a3140;
}

.voice-primary-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.voice-primary-button:disabled:hover {
    background: var(--dashboard-panel-3);
}

.voice-primary-button.danger {
    border-color: rgba(224, 108, 117, 0.25);
    color: #f0b3b9;
}

.voice-primary-button.danger:hover {
    background: rgba(224, 108, 117, 0.12);
}


.navigation-stack {
    display: contents;
}

.mobile-header-button,
.mobile-voice-bar,
.mobile-backdrop {
    display: none;
}

.rtc-diagnostics-panel {
    margin-top: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #12151b;
    overflow: hidden;
}

.rtc-diagnostics-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 11px 12px;
    border-bottom: 1px solid var(--border);
    background: var(--dashboard-panel);
}

.rtc-diagnostics-header strong,
.rtc-diagnostics-header span {
    display: block;
}

.rtc-diagnostics-header strong {
    font-size: 11px;
}

.rtc-diagnostics-header div > span,
.diagnostic-sampled {
    margin-top: 2px;
    color: var(--dashboard-text-dim);
    font-size: 9px;
}

.diagnostic-sampled {
    flex: 0 0 auto;
    margin: 0;
}

.diagnostic-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.diagnostic-group {
    min-width: 0;
    margin: 0;
    padding: 11px 12px 13px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.diagnostic-group:nth-child(2n) {
    border-right: 0;
}

.diagnostic-group:nth-last-child(-n + 2) {
    border-bottom: 0;
}

.diagnostic-group-title {
    margin-bottom: 7px;
    color: var(--dashboard-text-soft);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.diagnostic-row {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 8px;
    padding: 3px 0;
    font-size: 9px;
    line-height: 1.45;
}

.diagnostic-row dt,
.diagnostic-row dd {
    min-width: 0;
    margin: 0;
}

.diagnostic-row dt {
    color: var(--dashboard-text-dim);
}

.diagnostic-row dd {
    color: var(--dashboard-text-soft);
    overflow-wrap: anywhere;
}

@media (max-width: 1060px) {
    .app-shell {
        grid-template-columns: var(--server-rail-width) var(--channel-sidebar-width) minmax(0, 1fr);
    }

    /* Mid-width layout keeps navigation visible while moving members into a
       proper drawer. Previously the member pane disappeared here with no way
       to reopen it until the 720px mobile breakpoint. */
    .member-sidebar {
        position: fixed;
        z-index: var(--z-mobile-drawer);
        inset: 0 0 0 auto;
        display: grid;
        width: min(86vw, 300px);
        height: 100dvh;
        border-left: 1px solid var(--border);
        box-shadow: -16px 0 34px rgba(0, 0, 0, 0.28);
        transform: translateX(100%);
        transition: transform 150ms ease;
    }

    .member-sidebar.mobile-open {
        transform: translateX(0);
    }

    .mobile-members-button {
        display: grid;
        flex: 0 0 auto;
        width: 34px;
        height: 34px;
        margin-left: auto;
    }

    .member-sidebar-close {
        display: grid;
        width: 34px;
        height: 34px;
    }

    .mobile-members-backdrop {
        position: fixed;
        z-index: var(--z-mobile-backdrop);
        inset: 0;
        display: block;
        width: 100%;
        height: 100%;
        padding: 0;
        border: 0;
        background: rgba(5, 7, 10, 0.56);
        cursor: default;
    }
}

@media (max-width: 720px) {
    html,
    body {
        min-width: 0;
        height: 100dvh;
        overscroll-behavior: none;
    }

    .app-shell {
        position: relative;
        display: block;
        width: 100%;
        height: 100dvh;
        overflow: hidden;
    }

    .navigation-stack {
        position: fixed;
        z-index: var(--z-mobile-drawer);
        inset: 0 auto 0 0;
        display: grid;
        grid-template-columns: 60px minmax(0, 1fr);
        width: min(92vw, 320px);
        height: 100dvh;
        overflow: hidden;
        background: var(--dashboard-sidebar);
        box-shadow: 16px 0 34px rgba(0, 0, 0, 0.28);
        transform: translateX(-100%);
        transition: transform 150ms ease;
    }

    .navigation-stack.mobile-open {
        transform: translateX(0);
    }

    .navigation-stack .server-rail,
    .navigation-stack .channel-sidebar {
        display: flex;
        min-width: 0;
        width: auto;
        height: 100%;
    }

    .navigation-stack .server-rail {
        padding: 8px;
    }

    .navigation-stack .server-header {
        height: var(--topbar-height);
        background: var(--dashboard-bg);
    }

    .navigation-stack .server-header::before {
        display: none;
    }

    .navigation-stack .channel-sidebar {
        display: grid;
    }

    .navigation-stack .voice-dock {
        display: none;
    }

    .member-sidebar {
        position: fixed;
        z-index: var(--z-mobile-drawer);
        inset: 0 0 0 auto;
        display: grid;
        width: min(86vw, 280px);
        height: 100dvh;
        border-left: 1px solid var(--border);
        box-shadow: -16px 0 34px rgba(0, 0, 0, 0.28);
        transform: translateX(100%);
        transition: transform 150ms ease;
    }

    .member-sidebar.mobile-open {
        transform: translateX(0);
    }

    .mobile-backdrop {
        position: fixed;
        z-index: var(--z-mobile-backdrop);
        inset: 0;
        display: block;
        width: 100%;
        height: 100%;
        padding: 0;
        border: 0;
        background: rgba(5, 7, 10, 0.56);
        cursor: default;
    }

    .content-pane {
        display: grid;
        grid-template-rows: var(--topbar-height) minmax(0, 1fr) auto;
        width: 100%;
        height: 100dvh;
        overflow: hidden;
    }

    .content-header {
        gap: 7px;
        width: 100%;
        height: var(--topbar-height);
        padding-inline: 8px;
        border-radius: 0;
        background: var(--dashboard-sidebar);
    }

    .content-header > .icon {
        flex: 0 0 auto;
    }

    .mobile-header-button {
        display: grid;
        flex: 0 0 auto;
        width: 34px;
        height: 34px;
    }

    .mobile-members-button {
        margin-left: auto;
    }

    .content-topic,
    .content-separator {
        display: none;
    }

    .content-title {
        min-width: 0;
    }

    .chat-mount {
        min-height: 0;
        padding: 10px;
        overflow-y: auto;
        overscroll-behavior: contain;
        place-items: start stretch;
    }

    .chat-placeholder {
        width: 100%;
        padding: 16px;
    }

    .rtc-diagnostics-panel {
        margin-top: 12px;
    }

    .diagnostic-grid {
        grid-template-columns: 1fr;
    }

    .diagnostic-group,
    .diagnostic-group:nth-child(2n),
    .diagnostic-group:nth-last-child(-n + 2) {
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .diagnostic-group:last-child {
        border-bottom: 0;
    }

    .mobile-voice-bar {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 8px;
        align-items: center;
        min-width: 0;
        padding: 7px 8px max(7px, env(safe-area-inset-bottom));
        border-top: 1px solid var(--border);
        background: rgba(20, 24, 32, 0.98);
    }

    .mobile-voice-copy {
        min-width: 0;
    }

    .mobile-voice-copy strong,
    .mobile-voice-copy span {
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-voice-copy strong {
        font-size: 11px;
    }

    .mobile-voice-copy .voice-session-state {
        margin-top: 1px;
        font-size: 9px;
    }

    .mobile-voice-actions {
        display: flex;
        align-items: center;
        gap: 2px;
    }

    .mobile-voice-actions .control-button {
        width: 36px;
        height: 36px;
    }

    .channel-scroll,
    .member-scroll {
        overscroll-behavior: contain;
    }
}

@media (max-width: 430px) {
    .chat-mount {
        padding: 6px;
    }

    .chat-placeholder {
        padding: 12px;
        border-radius: var(--radius-sm);
    }

    .media-tile-label {
        left: 5px;
        bottom: 5px;
        max-width: calc(100% - 10px);
        padding: 3px 5px;
        font-size: 9px;
    }

    .media-placeholder {
        gap: 5px;
        font-size: 9px;
    }

    .media-placeholder-avatar {
        width: 36px;
        height: 36px;
        font-size: 11px;
    }

    .mobile-voice-bar {
        grid-template-columns: 1fr;
        gap: 4px;
        padding-top: 5px;
    }

    .mobile-voice-copy {
        display: flex;
        align-items: baseline;
        gap: 7px;
    }

    .mobile-voice-copy strong,
    .mobile-voice-copy span {
        min-width: 0;
    }

    .mobile-voice-actions {
        justify-content: space-between;
    }

    .mobile-voice-actions .control-button {
        width: 42px;
        height: 34px;
    }

    .rtc-diagnostics-header {
        align-items: flex-start;
    }

    .diagnostic-row {
        grid-template-columns: 58px minmax(0, 1fr);
    }
}

/* RTC diagnostics controls stay intentionally compact; diagnostics are a developer
   instrument, not a product settings surface. */
.diagnostic-header-actions {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
}

.diagnostic-button {
    min-height: 24px;
    padding: 3px 7px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--dashboard-panel-2);
    color: var(--dashboard-text-soft);
    font: inherit;
    font-size: 9px;
    cursor: pointer;
}

.diagnostic-button:hover {
    background: var(--dashboard-panel-3);
    color: var(--dashboard-text);
}

@media (max-width: 720px) {
    .rtc-diagnostics-header {
        flex-direction: column;
    }

    .diagnostic-header-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }
}

@media (prefers-reduced-motion: reduce) {
    .navigation-stack,
    .member-sidebar {
        transition: none;
    }
}