@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500&display=swap');

:root {
    --bg-0: #0a0a0b;
    --bg-1: #101012;
    --bg-2: #16161a;
    --fg: #e6e6e8;
    --fg-2: #8a8a90;
    --fg-3: #4d4d54;
    --fg-4: #2a2a2f;
    --signal: #c8c8cc;
    --signal-warn: #b87a5a;
    --screen: #5faa7a;
    --font: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
    --tracking: 0.02em;
    --tracking-wide: 0.18em;
    --t-fast: 120ms cubic-bezier(.2, .6, .2, 1);
    --t-med: 320ms cubic-bezier(.2, .6, .2, 1);
    --t-slow: 800ms cubic-bezier(.2, .6, .2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    background: var(--bg-0);
    color: var(--fg);
    font-family: var(--font);
    font-size: 14px;
    letter-spacing: var(--tracking);
    line-height: 1.5;
    overflow: hidden;
}

button, input {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    letter-spacing: inherit;
}

body {
    opacity: 0;
    transition: opacity 0.3s ease;
}

#background {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background: radial-gradient(120% 80% at 50% 50%, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
}

.intro {
    position: fixed;
    inset: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 1.2s ease;
    background: transparent;
}

.intro-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 28px;
    max-width: min(920px, 96vw);
    margin: 0 auto;
}

.intro-field {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.intro-title {
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
    width: 100%;
    margin: 0;
    font-family: "DotGothic16", ui-monospace, monospace;
    font-size: clamp(24px, 3.2vw, 40px);
    font-weight: 400;
    color: var(--fg-2);
    letter-spacing: 0.04em;
    line-height: 1.35;
}

.intro-title-text {
    display: inline;
    color: inherit;
    transition: background var(--t-fast), color var(--t-fast);
}

.intro-title-text.is-selected {
    background: rgba(110, 140, 190, 0.42);
    color: var(--fg);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.intro-cursor {
    display: inline-block;
    margin-left: 1px;
    font-weight: 300;
    color: var(--fg-2);
    animation: intro-cursor-blink 1s steps(1, end) infinite;
}

.intro-cursor.hidden {
    display: none;
    animation: none;
}

@keyframes intro-cursor-blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.intro-input {
    width: 250px;
    max-width: 72vw;
    height: 40px;
    border: none;
    background: transparent;
    text-align: center;
    text-transform: lowercase;
    font-family: "DotGothic16", ui-monospace, monospace;
    font-size: 15px;
    letter-spacing: 0.06em;
    color: var(--fg-2);
    caret-color: var(--fg-2);
    outline: none;
}

.intro-input:disabled {
    opacity: 0.35;
    pointer-events: none;
}

.intro-error {
    margin-top: 0;
    color: var(--fg-2);
    font-size: 22px;
    line-height: 1;
    font-weight: 300;
    opacity: 0;
    transition: opacity var(--t-fast), transform var(--t-fast);
    transform: translateY(4px) rotate(45deg);
}

.intro-error.visible {
    opacity: 1;
    transform: translateY(0) rotate(45deg);
}

.intro.fade-out {
    opacity: 0;
    pointer-events: none;
}

.hidden-start {
    opacity: 0;
    transition: opacity 1.3s ease;
}

.app.visible {
    opacity: 1;
}

.app {
    --hdr-h: 72px;
    --footer-row-h: 64px;
    --chat-panel-w: min(400px, calc(100vw - 32px));
    --chat-rail: 0px;
    --chat-sheet-h: min(780px, calc(66.667vh + env(safe-area-inset-bottom, 0px)));
    --chat-v-inset: 12px;
    position: relative;
    z-index: 2;
    height: 100vh;
    width: 100%;
    min-width: 0;
    display: grid;
    grid-template-rows: var(--hdr-h) 1fr var(--footer-row-h);
}

body.chat-open .app {
    --chat-rail: calc(var(--chat-panel-w) + 16px);
}

/* Комнату смещаем влево, шапку — никогда: toggle остаётся в углу экрана. */
body.chat-open .stage,
body.chat-open .footer.footer-meta {
    padding-right: var(--chat-rail);
    transition: padding-right var(--t-med);
}

.app > main {
    min-height: 0;
}

.header {
    position: relative;
    height: 84px;
    z-index: 52;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 24px;
    color: var(--fg-3);
    font-size: 12px;
    text-transform: lowercase;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: default;
    transform: translateX(12px);
}

.logo-eclipse {
    display: block;
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    box-sizing: border-box;
    border: 1.5px solid rgba(230, 230, 232, 0.92);
    background: transparent;
    box-shadow:
        0 0 6px rgba(255, 255, 255, 0.45),
        0 0 18px rgba(245, 245, 247, 0.35),
        0 0 40px rgba(210, 210, 216, 0.22),
        0 0 72px rgba(170, 170, 182, 0.14);
    transition:
        box-shadow var(--t-med),
        transform var(--t-med),
        border-color var(--t-med);
}

.brand-lockup:hover .logo-eclipse {
    border-color: rgba(255, 255, 255, 1);
    box-shadow:
        0 0 10px rgba(255, 255, 255, 0.75),
        0 0 26px rgba(255, 255, 255, 0.48),
        0 0 56px rgba(235, 235, 240, 0.38),
        0 0 100px rgba(200, 200, 210, 0.28);
}

@media (prefers-reduced-motion: reduce) {
    .logo-eclipse {
        transition: box-shadow var(--t-fast), border-color var(--t-fast);
    }

    .brand-lockup:hover .logo-eclipse {
        transform: none;
    }
}

.brand-mark {
    color: var(--fg);
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    line-height: 1;
    height: 26px;
    display: inline-flex;
    align-items: center;
}

.brand-tag {
    color: var(--fg-3);
    letter-spacing: var(--tracking-wide);
    font-size: 11px;
}

.conn-state {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--fg-2);
    cursor: default;
    outline: none;
}

.app[data-mode="room"] .conn-state {
    cursor: pointer;
}

.conn-dot {
    width: 4px;
    height: 6px;
    border-radius: 50%;
    background: var(--fg-3);
    transition: background var(--t-med);
}

.conn-dot.live {
    background: var(--signal);
    box-shadow: 0 0 8px rgba(200, 200, 204, 0.4);
}

.conn-dot.warn {
    background: var(--signal-warn);
}

.conn-dot.pulse {
    animation: conn-dot-pulse 1.1s ease-in-out infinite;
}

@keyframes conn-dot-pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(184, 122, 90, 0.5);
    }
    50% {
        opacity: 0.5;
        box-shadow: 0 0 8px 2px rgba(184, 122, 90, 0.25);
    }
}

/* ======================================================
   STAGE — ровно две точки привязки:
   A: .users-area  — центр ripple === центр аватара
   B: .panel-area  — top одинаковый у input и у controls
   Между ними фикс зазор. Высоты блоков НЕ меняются,
   значит общий центр стека стабилен при join/leave.
====================================================== */

.stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0;
    min-width: 0;
    min-height: 0;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
    transition:
        padding-right var(--t-med),
        padding-bottom 0.44s cubic-bezier(0.32, 0.72, 0, 1);
}

.stage-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- ТОЧКА A: пользователи ---------- */

.users-area {
    --avatar-size: 84px;

    width: 100%;
    height: var(--avatar-size);
    display: grid;
    place-items: center;
}

/* Слот фикс размером с аватар — тут оба слоя в одной точке. */
.users-slot {
    position: relative;
    width: var(--avatar-size);
    height: var(--avatar-size);
}

/* === Ripple === */
.lobby-ripple {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: var(--fg-3);
    pointer-events: none;
    transition: opacity var(--t-med);
}

.app[data-mode="room"] .lobby-ripple {
    opacity: 0;
}

.lobby-ripple-ring {
    --ring-start: 14px;
    grid-area: 1 / 1;
    box-sizing: border-box;
    width: var(--ring-start);
    height: var(--ring-start);
    border: 1px solid currentColor;
    border-radius: 50%;
    opacity: 0;
    animation: lobby-ripple-wave 3.6s cubic-bezier(0.22, 0.61, 0.36, 1) infinite;
}

.lobby-ripple-ring:nth-child(2) {
    animation-delay: -1.8s;
}

@keyframes lobby-ripple-wave {
    0% {
        transform: scale(0.5);
        opacity: 0.55;
    }
    100% {
        /* max диаметр ~50px (14px * 3.6) — заметно меньше аватара 84px */
        transform: scale(3.6);
        opacity: 0;
    }
}

/* === Participants === */
.participants {
    position: absolute;
    inset: 0;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 34px;
    /* контейнер занимает только высоту slot, аватары ровно в центре */
}

/* Строго 5 в один ряд: чуть уже ради помещения, без второй строки. */
#room[data-peers="5"] .participants {
    gap: 12px;
}

#room[data-peers="5"].users-area {
    --dense-gap: 12px;
    --blob-cap: 84px;
    --avatar-size: min(var(--blob-cap), calc((100vw - 48px - 4 * var(--dense-gap)) / 5));
}

.participant {
    --size: var(--avatar-size);

    position: relative;
    width: var(--size);
    height: var(--size);
    flex-shrink: 0;
    opacity: 0;
    transform: scale(0.4);
    transform-origin: center center;
}

.participant.pop-in {
    animation: participant-enter 520ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.participant.pop-out {
    animation: participant-leave 260ms ease forwards;
}

@keyframes participant-enter {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes participant-leave {
    to {
        opacity: 0;
        transform: scale(0.4);
    }
}

@media (prefers-reduced-motion: reduce) {
    .lobby-ripple-ring {
        animation: none;
        opacity: 0.45;
        transform: none;
    }
    .lobby-ripple-ring:nth-child(2) {
        display: none;
    }
    .participant.pop-in {
        animation: none;
        opacity: 1;
        transform: none;
    }
    .participant.pop-out {
        animation: none;
        opacity: 0;
    }
}

.participant-avatar {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 50%, rgba(230, 230, 232, 0.06) 0%, rgba(230, 230, 232, 0.02) 55%, transparent 75%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.participant-avatar::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 10px;
    height: 10px;
    margin: 0;
    border-radius: 50%;
    background: var(--fg-2);
    transform: translate(-50%, -50%);
    transition: transform var(--t-fast), background var(--t-fast), box-shadow var(--t-med);
}

.participant-avatar::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid rgba(230, 230, 232, 0);
    transform: scale(0.7);
    transition: border-color var(--t-fast), transform var(--t-med);
}

.participant.speaking:not(.muted):not(.deaf) .participant-avatar::before {
    transform: translate(-50%, -50%) scale(1.4);
    background: var(--signal);
    box-shadow: 0 0 24px rgba(230, 230, 232, 0.45);
}

.participant.speaking:not(.muted):not(.deaf) .participant-avatar::after {
    border-color: rgba(230, 230, 232, 0.18);
    transform: scale(1);
}

.participant-name {
    /* абсолютно под аватаром — НЕ сдвигает его центр */
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: var(--fg-2);
    font-size: 11px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    text-align: center;
    max-width: 140px;
}

.participant-name-line {
    display: block;
    line-height: 1.25;
    white-space: nowrap;
}

.participant.self .participant-avatar {
    box-shadow: inset 0 0 0 1px rgba(230, 230, 232, 0.2);
}

.participant.muted .participant-name,
.participant.deaf .participant-name {
    color: var(--fg-4);
}

.participant.muted .participant-avatar::before,
.participant.deaf .participant-avatar::before {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0);
    box-shadow: none;
    pointer-events: none;
}

.participant.deaf .participant-avatar::after {
    border-color: rgba(138, 138, 144, 0.42);
    border-style: dashed;
    transform: scale(1);
}

.participant:not(.self) {
    cursor: pointer;
}

/* ---------- ТОЧКА B: панель ---------- */

.panel-area {
    --panel-h: calc(44px + 8px + 44px);   /* высота под controls (две строки) */
    --panel-input-h: 44px;
    --panel-gap-input-tail: 16px;
    /* === Сдвиг панели ВНИЗ от ripple. Через transform — не меняет высоту стека,
           поэтому ripple остаётся на месте, а панель уезжает ниже. === */
    --panel-offset-y: 100px;

    position: relative;
    margin-top: 24px;       /* минимальный layout-зазор от users-area */
    width: 100%;
    max-width: 420px;
    height: var(--panel-h);
    transform: translateY(var(--panel-offset-y));
}

/* Один и тот же top — input и controls стартуют в одной точке */
.panel-input,
.panel-controls {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
}

/* Tail (or + open new room) — сразу под input */
.panel-tail {
    position: absolute;
    top: calc(var(--panel-input-h) + var(--panel-gap-input-tail));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    white-space: nowrap;
}

/* === Видимость по режиму === */
.app[data-mode="entry"] .panel-controls {
    display: none;
}
.app[data-mode="room"] .panel-input,
.app[data-mode="room"] .panel-tail {
    display: none;
}

/* === Toast ошибки над input === */
.entry-error-toast {
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(100% + 10px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 8px;
    color: var(--signal-warn);
    font-size: 12px;
    letter-spacing: var(--tracking);
    line-height: 1.45;
    text-transform: lowercase;
    pointer-events: none;
    opacity: 0;
    transform: translateY(12px);
    transition:
        opacity 0.38s cubic-bezier(.2, .6, .2, 1),
        transform 0.38s cubic-bezier(.2, .6, .2, 1);
}

.entry-error-toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.entry-error-glyph {
    flex-shrink: 0;
    font-size: 14px;
    line-height: 1;
    opacity: 0.85;
}

.entry-error-msg {
    text-align: center;
}

@media (prefers-reduced-motion: reduce) {
    .entry-error-toast {
        transition-duration: 0.01ms;
    }
}

.entry-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: center;
    width: fit-content;
    max-width: 100%;
}

.entry-code-field {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.22em;
    height: 44px;
    width: 160px;
    max-width: 100%;
    padding: 0 14px;
    box-sizing: border-box;
    background: var(--bg-1);
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    cursor: text;
    transition:
        border-color var(--t-fast),
        background var(--t-fast);
}

.entry-code-field:focus-within {
    border-color: var(--fg-2);
    background: var(--bg-2);
}

.entry-hash {
    display: none;
    flex-shrink: 0;
    color: var(--fg-3);
    font-size: 14px;
    line-height: 1;
    pointer-events: none;
    user-select: none;
}

.entry-code-field.has-value .entry-hash {
    display: block;
}

.entry-code {
    flex: 1;
    width: 100%;
    min-width: 0;
    height: 100%;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    color: var(--fg);
    text-align: center;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    font-size: 14px;
}

.entry-code:focus {
    outline: none;
}

.entry-code::placeholder {
    color: var(--fg-3);
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    font-size: 12px;
}

.btn {
    height: 44px;
    padding: 0 22px;
    background: transparent;
    color: var(--fg);
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    font-size: 12px;
    transition:
        border-color var(--t-fast),
        color var(--t-fast),
        background var(--t-fast);
}

.btn:hover {
    border-color: var(--fg-2);
    color: var(--fg);
}

.btn:active {
    background: var(--bg-1);
}

.btn.primary {
    background: var(--fg);
    color: var(--bg-0);
    border-color: var(--fg);
}

.btn.primary:hover {
    background: #fff;
    border-color: #fff;
}

.btn.primary:active {
    background: var(--fg-2);
}

.btn.ghost {
    border-color: transparent;
    color: var(--fg-2);
}

.btn.ghost:hover {
    color: var(--fg);
}

.entry-divider {
    color: var(--fg-3);
    font-size: 11px;
    letter-spacing: var(--tracking-wide);
}

.panel-controls {
    display: grid;
    grid-template-columns: 44px 44px 44px;
    gap: 8px;
    justify-content: center;
}

.panel-controls .leave-btn {
    grid-column: 1 / -1;
}

.control-btn {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    background: transparent;
    color: rgba(230, 230, 232, 0.92);
    transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}

.control-btn:hover {
    border-color: var(--fg-2);
    color: var(--fg);
}

.control-btn.off {
    color: var(--fg-3);
    background: var(--bg-1);
}

.control-btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 1.4;
    fill: none;
}

.control-btn svg * {
    fill: none;
    vector-effect: non-scaling-stroke;
}

/* === Off-state иконок: перечёркивание + скрытие "волн" === */
.control-btn svg .strike,
.control-btn svg .strike-bg {
    opacity: 0;
    transition: opacity var(--t-fast);
}

/* Толстая bg-линия "вырезает" иконку на пересечении со страйком,
   чтобы перечёркивание не сливалось с остальными штрихами. */
.control-btn svg .strike-bg {
    stroke: var(--bg-1);
    stroke-width: 3.2;
}

.control-btn.off svg .strike,
.control-btn.off svg .strike-bg {
    opacity: 1;
}

.control-btn svg .wave {
    transition: opacity var(--t-fast);
}

.control-btn.off svg .wave {
    opacity: 0;
}

.control-btn-stub {
    opacity: 0.42;
    cursor: default;
    pointer-events: none;
}

.leave-btn {
    height: 44px;
    padding: 0 18px;
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    color: var(--fg-2);
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    font-size: 12px;
    background: transparent;
    cursor: pointer;
    transition: border-color var(--t-fast), color var(--t-fast);
}

.leave-btn:hover {
    border-color: var(--signal-warn);
    color: var(--signal-warn);
}

.room-info {
    color: var(--fg-2);
    cursor: pointer;
    transition: color var(--t-fast);
    text-transform: lowercase;
    font-size: 12px;
}

.room-info:hover {
    color: var(--fg);
}

.room-code-view {
    display: inline-grid;
    grid-template: 1fr / 1fr;
    justify-items: start;
}

.room-code-panel {
    grid-area: 1 / 1;
    transition:
        opacity var(--t-med),
        transform var(--t-med);
}

.room-info:not(.room-info--copied) .room-code-panel--copied {
    opacity: 0;
    pointer-events: none;
    transform: translateY(0.2em);
}

.room-info:not(.room-info--copied) .room-code-panel--code {
    opacity: 1;
    transform: translateY(0);
}

.room-info.room-info--copied .room-code-panel--code {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.2em);
}

.room-info.room-info--copied .room-code-panel--copied {
    opacity: 1;
    pointer-events: none;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .room-code-panel {
        transition-duration: 0.01ms;
    }

    .room-info:not(.room-info--copied) .room-code-panel--copied,
    .room-info.room-info--copied .room-code-panel--code {
        transform: none;
    }

    .room-info.room-info--copied .room-code-panel--copied {
        transform: none;
    }
}

/* ===== Arc volume control =====
   Концентрична с аватаром, радиус чуть больше радиуса аватара,
   дуга справа ~110°. При появлении плавно "отрывается" вправо. */
.volume-arc {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    opacity: 0;
    transform: translateX(0);
    transition:
        opacity var(--t-med),
        transform var(--t-med);
}

.volume-arc.is-visible {
    opacity: 1;
    transform: translateX(7px);
}

.volume-arc svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.volume-arc-track {
    fill: none;
    stroke: rgba(230, 230, 232, 0.14);
    stroke-width: 1;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
}

.volume-arc-fill {
    fill: none;
    stroke: rgba(230, 230, 232, 0.7);
    stroke-width: 1.4;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
    transition: stroke var(--t-fast);
}

.volume-arc.is-dragging .volume-arc-fill {
    stroke: var(--fg);
}

.volume-arc-handle {
    fill: var(--fg);
    filter: drop-shadow(0 0 4px rgba(230, 230, 232, 0.45));
    transition: filter var(--t-fast);
}

.volume-arc.is-dragging .volume-arc-handle {
    filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.7));
}

.volume-arc-hit {
    fill: none;
    stroke: transparent;
    stroke-width: 18;
    stroke-linecap: round;
    pointer-events: stroke;
    cursor: grab;
}

.volume-arc.is-dragging .volume-arc-hit {
    cursor: grabbing;
}

@media (prefers-reduced-motion: reduce) {
    .volume-arc {
        transition-duration: 0.01ms;
    }
}

.footer-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: var(--fg-3);
    font-size: 11px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    transition: padding-right var(--t-med);
}

/* ===== Ping panel (всплывает над .conn-state) ===== */
.ping-panel {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    min-width: 200px;
    max-width: 260px;
    padding: 8px 10px;
    background: var(--bg-1);
    border: 1px solid var(--fg-4);
    border-radius: 3px;
    opacity: 0;
    pointer-events: none;
    z-index: 5;
    text-align: left;
    text-transform: none;
    letter-spacing: var(--tracking);
    transition:
        opacity var(--t-med),
        transform var(--t-med);
}

.ping-panel.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.ping-panel-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ping-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--fg-2);
    font-size: 11px;
    line-height: 1.4;
    white-space: nowrap;
}

.ping-row-empty {
    justify-content: center;
    color: var(--fg-3);
}

.ping-name {
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.ping-value {
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

.ping-good { color: var(--fg-2); }
.ping-mid  { color: var(--fg-3); }
.ping-bad  { color: var(--signal-warn); }
.ping-na   { color: var(--fg-4); }

.footer-divider {
    color: var(--fg-4);
}

.footer-meta > .footer-divider:has(+ .room-info.hidden) {
    display: none;
}

.hidden {
    display: none !important;
}

/* ===== Chat ===== */

.chat-toggle {
    position: fixed;
    top: calc((var(--hdr-h) - 14px) / 2);
    right: max(14px, env(safe-area-inset-right));
    z-index: 56;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    box-sizing: border-box;
    min-width: 100px;
    height: 32px;
    margin: 0 12px 0 0;
    padding: 0 14px;
    background: transparent;
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    color: var(--fg-2);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition:
        opacity var(--t-med),
        color var(--t-fast),
        border-color var(--t-fast),
        background var(--t-fast),
        box-shadow var(--t-fast);
}

/* Кнопка всегда в одном месте (строчка приложения справа) — только смена chat/close, без переезда top/right. */

.chat-toggle-stack {
    display: grid;
    place-items: center;
}

.chat-toggle-pane {
    grid-area: 1 / 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity 180ms cubic-bezier(.2, .6, .2, 1),
        visibility 0s linear 180ms;
}

.chat-toggle:not(.is-open) .chat-toggle-pane--idle {
    opacity: 1;
    visibility: visible;
    transition:
        opacity 180ms cubic-bezier(.2, .6, .2, 1),
        visibility 0s linear 0s;
}

.chat-toggle.is-open .chat-toggle-pane--open {
    opacity: 1;
    visibility: visible;
    transition:
        opacity 180ms cubic-bezier(.2, .6, .2, 1),
        visibility 0s linear 0s;
}

.app[data-mode="room"] .chat-toggle {
    opacity: 1;
    pointer-events: auto;
}

.chat-toggle:hover {
    color: var(--fg);
    border-color: var(--fg-2);
}

.chat-toggle.is-open {
    color: var(--fg);
    border-color: rgba(230, 230, 232, 0.32);
    background: rgba(16, 16, 18, 0.88);
}

.chat-toggle-icon-svg {
    width: 14px;
    height: 14px;
}

.chat-toggle-icon-svg path {
    stroke: currentColor;
    stroke-width: 1.4;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    vector-effect: non-scaling-stroke;
}

.chat-toggle-icon-svg circle.chat-toggle-dot {
    fill: currentColor;
    stroke: none;
}

.chat-toggle-label {
    font-size: 11px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    white-space: nowrap;
    line-height: 1;
}

.chat-toggle-badge {
    pointer-events: none;
    display: none;
    position: absolute;
    top: -3px;
    right: -3px;
    width: 4px;
    height: 6px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 6px rgba(200, 200, 204, 0.55);
}

.chat-toggle.has-unread .chat-toggle-badge {
    display: block;
}

.chat-panel {
    position: fixed;
    top: 0;
    bottom: 0;
    width: var(--chat-panel-w);
    max-width: calc(100vw - 32px);
    right: calc(-1 * var(--chat-panel-w) - 44px);
    z-index: 46;
    box-sizing: border-box;
    padding-top: max(var(--chat-v-inset), env(safe-area-inset-top));
    padding-bottom: max(var(--chat-v-inset), env(safe-area-inset-bottom));
    opacity: 0;
    margin: 8px 0;
    visibility: hidden;
    pointer-events: none;
    transform: none;
    transition:
        opacity var(--t-med),
        right 380ms cubic-bezier(0.32, 0.72, 0, 1),
        visibility 0s linear var(--t-med);
}

.chat-panel.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    right: max(16px, env(safe-area-inset-right));
    transition:
        opacity var(--t-med),
        right 380ms cubic-bezier(0.32, 0.72, 0, 1),
        visibility 0s linear 0s;
}

.chat-panel-inner {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: rgba(16, 16, 18, 0.92);
    border: 1px solid var(--fg-4);
    border-radius: 4px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 14px;
    padding: 0 14px;
    padding-right: calc(14px + 110px);
    border-bottom: 1px solid var(--fg-4);
    color: var(--fg-2);
    font-size: 11px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    height: 50px;
    box-sizing: border-box;
    flex-shrink: 0;
}

.chat-title {
    line-height: 1;
}

.chat-messages {
    position: relative;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--fg-3);
    border-radius: 2px;
    border-right: 2px solid transparent;
    background-clip: padding-box;
}

.chat-messages::-webkit-scrollbar-track,
.chat-messages::-webkit-scrollbar-button,
.chat-messages::-webkit-scrollbar-corner {
    background: transparent;
    display: none;
    height: 0;
}

@supports (-moz-appearance: none) {
    .chat-messages {
        scrollbar-width: thin;
        scrollbar-color: var(--fg-3) transparent;
    }
}

.chat-jump-bottom {
    position: absolute;
    z-index: 3;
    left: 50%;
    right: auto;
    bottom: 80px;
    width: 36px;
    height: 36px;
    margin: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    background: rgba(22, 22, 26, 0.88);
    color: rgba(230, 230, 232, 0.92);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 12px);
    pointer-events: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition:
        opacity var(--t-med),
        transform var(--t-med),
        visibility 0s linear var(--t-med),
        border-color var(--t-fast),
        color var(--t-fast),
        background var(--t-fast);
}

.chat-jump-bottom.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
    pointer-events: auto;
    transition:
        opacity var(--t-med),
        transform var(--t-med),
        visibility 0s linear 0s,
        border-color var(--t-fast),
        color var(--t-fast),
        background var(--t-fast);
}

.chat-jump-bottom:hover {
    border-color: var(--fg-2);
    color: var(--fg);
}

.chat-jump-bottom svg {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    stroke-width: 1.4;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.chat-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    color: var(--fg-4);
    font-size: 11px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    transition: opacity var(--t-fast);
}

.chat-panel.has-messages .chat-empty {
    opacity: 0;
}

.chat-msg {
    display: flex;
    flex-direction: column;
    align-self: flex-start;
    max-width: 88%;
    padding: 6px 10px 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    animation: chat-msg-in 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.chat-msg.chat-msg-self {
    align-self: flex-end;
    background: rgba(230, 230, 232, 0.07);
    border-color: rgba(230, 230, 232, 0.13);
}

@keyframes chat-msg-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
}

.chat-msg-head {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 4px;
    color: var(--fg-3);
    font-size: 10px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
}

.chat-msg-nick {
    color: var(--fg-2);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 160px;
}

.chat-msg-self .chat-msg-nick {
    color: var(--fg);
}

.chat-msg-time {
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

.chat-msg-body {
    font-size: 13px;
    line-height: 1.45;
    color: var(--fg);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.chat-msg-link {
    color: var(--fg);
    text-decoration: underline;
    text-decoration-color: var(--fg-3);
    text-underline-offset: 2px;
    transition: text-decoration-color var(--t-fast);
}

.chat-msg-link:hover {
    text-decoration-color: var(--fg);
}

.chat-attach {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 160px;
    max-width: 280px;
}

.chat-attach-image {
    display: block;
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: cover;
    border-radius: 4px;
    background: var(--bg-1);
    cursor: zoom-in;
    transition: opacity var(--t-fast);
}

.chat-attach-image.is-loading {
    min-height: 120px;
    opacity: 0.4;
}

.chat-attach-file {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--bg-1);
    border: 1px solid var(--fg-4);
    border-radius: 4px;
}

.chat-attach-file-ico {
    flex-shrink: 0;
    color: var(--fg-2);
    font-size: 16px;
    line-height: 1;
}

.chat-attach-file-meta {
    flex: 1;
    min-width: 0;
}

.chat-attach-file-name {
    color: var(--fg);
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-attach-file-size {
    color: var(--fg-3);
    font-size: 10px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
}

.chat-attach-file-dl {
    flex-shrink: 0;
    display: none;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    color: var(--fg-2);
    text-decoration: none;
    font-size: 14px;
    line-height: 1;
    transition: color var(--t-fast), border-color var(--t-fast);
}

.chat-attach-file-dl:hover {
    color: var(--fg);
    border-color: var(--fg-2);
}

.chat-attach.is-ready .chat-attach-file-dl {
    display: inline-flex;
}

.chat-attach-progress {
    height: 2px;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    overflow: hidden;
}

.chat-attach-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--fg-2);
    transition: width 120ms linear;
}

.chat-attach.is-ready .chat-attach-progress {
    display: none;
}

/* Свои attachment'ы пока летят к пирам — показываем тонкий «бегунок».
   Никаких процентов: всё равно прогресс по каналам, не по байтам. */
.chat-msg-self .chat-attach:not(.is-ready) .chat-attach-progress-bar {
    width: 35%;
    background: linear-gradient(
        90deg,
        transparent,
        var(--fg-2) 50%,
        transparent
    );
    animation: chat-sending-shimmer 1.4s linear infinite;
}

@keyframes chat-sending-shimmer {
    from { transform: translateX(-100%); }
    to   { transform: translateX(380%); }
}

.chat-pending {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 8px 12px;
    border-top: 1px solid var(--fg-4);
    background: rgba(0, 0, 0, 0.18);
}

.chat-pending[hidden] {
    display: none;
}

.chat-pending-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 4px 4px 6px;
    background: var(--bg-2);
    border: 1px solid var(--fg-4);
    border-radius: 3px;
    color: var(--fg-2);
    font-size: 11px;
    max-width: 180px;
}

.chat-pending-thumb {
    width: 28px;
    height: 28px;
    border-radius: 2px;
    object-fit: cover;
    background: var(--bg-1);
    flex-shrink: 0;
}

.chat-pending-glyph {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--fg-3);
    background: var(--bg-1);
    border-radius: 2px;
    flex-shrink: 0;
}

.chat-pending-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.chat-pending-remove {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: transparent;
    border: none;
    border-radius: 2px;
    color: var(--fg-3);
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    transition: color var(--t-fast), background var(--t-fast);
}

.chat-pending-remove:hover {
    color: var(--signal-warn);
    background: rgba(255, 255, 255, 0.04);
}

.chat-toast {
    height: 0;
    padding: 0 14px;
    color: var(--signal-warn);
    font-size: 11px;
    letter-spacing: var(--tracking);
    text-transform: lowercase;
    overflow: hidden;
    transition: height var(--t-fast), padding var(--t-fast);
    pointer-events: none;
}

.chat-toast.is-visible {
    height: 20px;
    padding: 3px 14px 3px;
}

.chat-input-row {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    padding: 8px 10px 10px;
    border-top: 1px solid var(--fg-4);
    background: rgba(0, 0, 0, 0.22);
}

.chat-attach-btn,
.chat-send {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    color: var(--fg-2);
    cursor: pointer;
    transition:
        color var(--t-fast),
        border-color var(--t-fast),
        background var(--t-fast);
}

.chat-attach-btn:hover,
.chat-send:hover {
    color: var(--fg);
    border-color: var(--fg-2);
}

.chat-send:disabled,
.chat-attach-btn:disabled {
    opacity: 0.4;
    cursor: default;
    pointer-events: none;
}

.chat-attach-btn svg,
.chat-send svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 1.4;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.chat-input {
    flex: 1;
    min-width: 0;
    resize: none;
    height: 34px;
    max-height: 120px;
    padding: 7px 20px 7px 10px;
    background: var(--bg-1);
    color: var(--fg);
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    font-size: 13px;
    line-height: 1.4;
    font-family: inherit;
    letter-spacing: var(--tracking);
    outline: none;
    transition: border-color var(--t-fast), background var(--t-fast);
    overflow-y: auto;
}

.chat-input:focus {
    border-color: var(--fg-2);
    background: var(--bg-2);
}

.chat-input::placeholder {
    color: var(--fg-3);
}

.chat-input::-webkit-scrollbar {
    width: 4px;
    background: transparent;
}

.chat-input::-webkit-scrollbar-thumb {
    background: var(--fg-3);
    border-radius: 2px;
    border-right: 2px solid transparent;
    background-clip: padding-box;
}

.chat-input::-webkit-scrollbar-track,
.chat-input::-webkit-scrollbar-button,
.chat-input::-webkit-scrollbar-corner {
    background: transparent;
    display: none;
    height: 0;
}

/* Firefox only */
@supports (-moz-appearance: none) {
    .chat-input {
        scrollbar-width: thin;
        scrollbar-color: var(--fg-3) transparent;
    }
}

/* ===== Drop overlay — DnD файлов в любом месте окна ===== */
.chat-drop-overlay {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(10, 10, 11, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-med);
}

.chat-drop-overlay.is-active {
    opacity: 1;
}

.chat-drop-overlay-inner {
    width: min(560px, 80vw);
    height: min(320px, 60vh);
    border: 1.5px dashed var(--fg-2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fg);
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    font-size: 13px;
}

.chat-drop-overlay-text {
    opacity: 0.85;
}

/* ===== Lightbox для изображений ===== */
.chat-lightbox {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(10, 10, 11, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    opacity: 0;
    pointer-events: none;
    cursor: zoom-out;
    transition:
        opacity var(--t-med),
        background var(--t-med),
        backdrop-filter var(--t-med),
        -webkit-backdrop-filter var(--t-med);
}

.chat-lightbox.is-visible {
    opacity: 1;
    pointer-events: auto;
    background: rgba(12, 12, 14, 0.42);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.chat-lightbox-img {
    display: block;
    max-width: min(94vw, 1600px);
    max-height: 92vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 32px 96px rgba(0, 0, 0, 0.55);
    cursor: default;
    will-change: transform, opacity;
    transform-origin: center center;
    transition: transform 360ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Пока src ещё не выставлен — img не должен «болтаться» в кадре. */
.chat-lightbox:not(.is-visible):not(.is-closing) .chat-lightbox-img:not([src]) {
    visibility: hidden;
}

.chat-lightbox-close {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: rgba(230, 230, 232, 0.92);
    border: 1px solid var(--fg-4);
    border-radius: 2px;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.85);
    transition:
        opacity var(--t-med),
        transform var(--t-med),
        border-color var(--t-fast),
        color var(--t-fast),
        background var(--t-fast);
}

.chat-lightbox.is-visible .chat-lightbox-close {
    opacity: 1;
    transform: scale(1);
}

.chat-lightbox-close:hover {
    border-color: var(--fg-2);
    color: var(--fg);
    background: var(--bg-1);
}

.chat-lightbox-close svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 1.4;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

@media (prefers-reduced-motion: reduce) {
    .chat-panel,
    .app,
    .stage,
    .footer.footer-meta,
    .chat-toggle,
    #room.users-area,
    .chat-lightbox,
    .chat-lightbox-img,
    .chat-lightbox-close,
    .chat-drop-overlay {
        transition-duration: 0.01ms;
        transition-delay: 0s;
    }
    .chat-msg,
    .chat-msg-self .chat-attach:not(.is-ready) .chat-attach-progress-bar {
        animation: none;
    }
}

@media (max-width: 740px) {
    body {
        --chat-sheet-motion-dur: 0.58s;
        --chat-sheet-motion-ease: cubic-bezier(0.33, 0.93, 0.32, 1);
    }

    /*
     * ВАЖНО: один и тот же transition у .stage в открытом и закрытом состоянии.
     * Если переход задан разными селекторами (body.chat-open / body:not),
     * браузер рвёт интерполяцию padding — выглядит как прыжок без анимации.
     */
    .stage {
        transition:
            padding-right var(--t-med) ease,
            padding-top var(--chat-sheet-motion-dur) var(--chat-sheet-motion-ease),
            padding-bottom var(--chat-sheet-motion-dur) var(--chat-sheet-motion-ease);
    }

    body.chat-open .app {
        --chat-rail: 0px;
        --chat-sheet-h: min(780px, calc(68dvh + env(safe-area-inset-bottom, 0px)));
    }

    body.chat-open .stage {
        padding-bottom: min(
            var(--chat-sheet-h),
            calc(100dvh - var(--hdr-h) - var(--footer-row-h))
        );
    }

    body.chat-open .app[data-mode="room"] .panel-area {
        display: none;
    }

    .chat-toggle {
        margin: 0;
    }

    .chat-panel {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;

        height: var(--chat-sheet-h);
        max-height: none;
        width: 100%;
        max-width: none;

        padding-top: 0;
        padding-bottom: 0;
        margin: 0;

        z-index: 46;

        opacity: 1;
        visibility: visible;
        pointer-events: none;

        transform: translate3d(0, calc(100% + 36px), 0);
        will-change: transform;
        transition:
            transform var(--chat-sheet-motion-dur) var(--chat-sheet-motion-ease);

        border-radius: 0;

        overscroll-behavior: contain;
    }

    .chat-panel.is-open {
        pointer-events: auto;
        transform: translate3d(0, 0, 0);

        transition:
            transform var(--chat-sheet-motion-dur) var(--chat-sheet-motion-ease);
    }

    .chat-panel-inner {
        height: 100%;
        border-radius: 14px 14px 0 0;
        box-shadow:
            0 -12px 40px rgba(0, 0, 0, 0.52),
            0 -1px 0 rgba(230, 230, 232, 0.04) inset;
    }

    .chat-input-row {
        padding-bottom: max(10px, calc(10px + env(safe-area-inset-bottom, 0px)));
    }

    .chat-jump-bottom {
        bottom: calc(78px + env(safe-area-inset-bottom, 0px));
    }
}

/* ========= SCREENCAST ========= */

.participant.screensharing .participant-avatar {
    box-shadow: 0 0 0 0.7px var(--screen), 0 0 14px rgba(95, 170, 122, 0.14);
}

.watch-screen-btn {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: var(--screen);
    font-size: 11px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    text-align: center;
    cursor: pointer;
    pointer-events: none;
    opacity: 0;
    user-select: none;
    transition: opacity 0.2s ease;
    white-space: nowrap;
}

.watch-screen-btn span {
    display: block;
    line-height: 1.25;
}

.participant-name {
    transition: opacity 0.2s ease;
}

.participant.screensharing.blob-active .participant-name {
    opacity: 0;
    pointer-events: none;
}

.participant.screensharing.blob-active .watch-screen-btn {
    opacity: 1;
    pointer-events: auto;
}

.sc-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.sc-btn-icon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 1.4;
    fill: none;
}

.sc-btn-icon svg * {
    fill: none;
    vector-effect: non-scaling-stroke;
}

#screencastBtn:not(.active) .sc-btn-icon--stop { display: none; }
#screencastBtn.active .sc-btn-icon--idle { display: none; }

#screencastBtn.active {
    color: var(--screen);
    border-color: var(--screen);
}

#screencastBtn.sc-btn-blocked {
    opacity: 0.28;
    pointer-events: none;
}


.sc-modal {
    position: fixed;
    inset: 0;
    z-index: 88;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
}

.sc-modal.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.sc-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.sc-modal-content {
    position: relative;
    background: var(--bg-1);
    border: 1px solid rgba(230, 230, 232, 0.07);
    border-radius: 14px;
    padding: 28px 28px 24px;
    width: 360px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.03) inset,
        0 32px 80px rgba(0, 0, 0, 0.7);
    transform: translateY(6px) scale(0.97);
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

.sc-modal.is-visible .sc-modal-content {
    transform: translateY(0) scale(1);
}

.sc-modal-title {
    font-size: 11px;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    color: var(--fg-3);
}

.sc-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sc-section-label {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--fg-4);
}

.sc-tiles {
    display: flex;
    gap: 8px;
}

.sc-tile {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 16px 10px 14px;
    border: 1px solid var(--fg-4);
    border-radius: 10px;
    background: var(--bg-2);
    cursor: pointer;
    font-family: inherit;
    transition:
        border-color 0.14s ease,
        background 0.14s ease,
        box-shadow 0.14s ease;
}

.sc-tile:hover {
    border-color: var(--fg-3);
    background: rgba(230, 230, 232, 0.03);
}

.sc-tile--active {
    border-color: var(--fg-2);
    background: rgba(230, 230, 232, 0.05);
}

.sc-tile-num {
    font-size: 26px;
    font-weight: 300;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--fg-3);
    transition: color 0.14s ease;
}

.sc-tile--active .sc-tile-num {
    color: var(--fg);
}

.sc-tile-sub {
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    color: var(--fg-4);
    transition: color 0.14s ease;
}

.sc-tile--active .sc-tile-sub {
    color: var(--fg-3);
}

.sc-section--row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

.sc-section--row .sc-section-label {
    margin-bottom: 0;
}

.sc-switch {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 18px;
    flex-shrink: 0;
    cursor: pointer;
}

.sc-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.sc-switch-track {
    position: absolute;
    inset: 0;
    border-radius: 9px;
    border: 1px solid var(--fg-4);
    background: transparent;
    transition: border-color 0.18s, background 0.18s;
}

.sc-switch-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--fg-4);
    transition: transform 0.18s, background 0.18s;
}

.sc-switch input:checked + .sc-switch-track {
    border-color: var(--screen);
    background: rgba(95, 170, 122, 0.12);
}

.sc-switch input:checked + .sc-switch-track::after {
    transform: translateX(16px);
    background: var(--screen);
}

.sc-next-btn {
    width: 100%;
    padding: 12px;
    margin-top: 2px;
    border-radius: 8px;
    border: 1px solid rgba(95, 170, 122, 0.4);
    background: rgba(95, 170, 122, 0.06);
    color: var(--screen);
    font-size: 12px;
    font-family: inherit;
    letter-spacing: 0.14em;
    text-transform: lowercase;
    cursor: pointer;
    transition:
        background 0.14s ease,
        border-color 0.14s ease,
        box-shadow 0.14s ease;
}

.sc-next-btn:hover {
    background: rgba(95, 170, 122, 0.12);
    border-color: var(--screen);
    box-shadow: 0 0 24px rgba(95, 170, 122, 0.1);
}

.screen-overlay {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.screen-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.screen-overlay-video {
    max-width: 100%;
    max-height: 100%;
    border-radius: 4px;
}

.screen-overlay-close,
.screen-overlay-fullscreen {
    position: absolute;
    background: rgba(16, 16, 18, 0.6);
    border: 1px solid var(--fg-4);
    color: var(--fg-2);
    cursor: pointer;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    backdrop-filter: blur(4px);
}

.screen-overlay-close:hover,
.screen-overlay-fullscreen:hover {
    color: var(--fg);
    border-color: var(--fg-2);
    background: rgba(16, 16, 18, 0.88);
}

.screen-overlay-close {
    top: 16px;
    right: 20px;
    width: 36px;
    height: 36px;
    font-size: 1rem;
}

.screen-overlay-fullscreen {
    bottom: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
}

.screen-overlay-fullscreen svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 1.5;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    vector-effect: non-scaling-stroke;
}

.room-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-2);
    border: 1px solid var(--fg-4);
    color: var(--fg-2);
    font-size: 0.8rem;
    font-family: inherit;
    letter-spacing: var(--tracking);
    padding: 8px 16px;
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 95;
    white-space: nowrap;
}

.room-toast.is-visible {
    opacity: 1;
}

@media (max-width: 640px) {
    .app {
        --hdr-h: 64px;
        --footer-row-h: 56px;
        grid-template-rows: var(--hdr-h) 1fr var(--footer-row-h);
    }

    .header {
        padding: 0 16px;
    }

    .footer-meta {
        padding: 0 16px;
        box-sizing: border-box;
    }

    .brand-tag {
        display: none;
    }

    .users-area {
        --avatar-size: 72px;
    }

    .participants {
        gap: 22px;
    }

    #room[data-peers="5"].users-area {
        --blob-cap: 72px;
    }

    /* Высота шапки в сетке 56 — подбираем смещение панели */
    .panel-area {
        --panel-offset-y: 110px;
        margin-top: 16px;
    }
}