:root {
    color-scheme: dark;
    --corridor-bg: #050608;
    --corridor-panel: #101218;
    --corridor-text: #f4f1e9;
    --corridor-muted: #858892;
    --corridor-acid: #e9ff43;
    --corridor-violet: #795cff;
    --corridor-line: rgba(255, 255, 255, 0.13);
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: var(--corridor-bg);
}

body {
    color: var(--corridor-text);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

button,
a {
    font: inherit;
}

.corridor-app {
    position: relative;
    width: 100%;
    height: 100dvh;
    min-height: 520px;
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(circle at 50% 48%, rgba(121, 92, 255, 0.12), transparent 26%),
        #050608;
}

.corridor-app::after {
    position: fixed;
    inset: 0;
    z-index: 100;
    pointer-events: none;
    content: "";
    opacity: 0.2;
    background-image:
        repeating-radial-gradient(circle at 17% 23%, rgba(255, 255, 255, 0.22) 0 0.5px, transparent 0.7px 4px),
        repeating-radial-gradient(circle at 73% 61%, rgba(255, 255, 255, 0.12) 0 0.5px, transparent 0.8px 5px);
    background-size: 7px 7px, 11px 11px;
    mix-blend-mode: soft-light;
}

.corridor-hud {
    position: fixed;
    left: 0;
    z-index: 70;
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding-inline: clamp(18px, 3vw, 52px);
    pointer-events: none;
}

.corridor-hud > * {
    pointer-events: auto;
}

.corridor-hud--top {
    top: 0;
    height: 88px;
    border-bottom: 1px solid var(--corridor-line);
    background: linear-gradient(180deg, rgba(5, 6, 8, 0.9), rgba(5, 6, 8, 0.38));
}

.corridor-hud--bottom {
    bottom: 0;
    height: 88px;
    border-top: 1px solid var(--corridor-line);
    background: linear-gradient(0deg, rgba(5, 6, 8, 0.94), rgba(5, 6, 8, 0.38));
}

.corridor-brand {
    display: inline-flex;
    align-items: center;
    gap: 13px;
    color: var(--corridor-text);
    text-decoration: none;
}

.corridor-brand__mark {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 1px solid var(--corridor-acid);
    color: var(--corridor-acid);
    font-weight: 900;
    transform: rotate(-5deg);
}

.corridor-brand strong,
.corridor-brand small {
    display: block;
}

.corridor-brand strong {
    font-size: 13px;
    letter-spacing: 0.16em;
}

.corridor-brand small {
    margin-top: 4px;
    color: var(--corridor-muted);
    font-family: Consolas, monospace;
    font-size: 8px;
    letter-spacing: 0.14em;
}

.corridor-sector {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #b8bac2;
    font-family: Consolas, monospace;
    font-size: 10px;
    letter-spacing: 0.15em;
}

.corridor-sector i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--corridor-acid);
    box-shadow: 0 0 15px var(--corridor-acid);
    animation: corridor-pulse 1.8s ease-in-out infinite;
}

.corridor-exit-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #a0a2aa;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-decoration: none;
    text-transform: uppercase;
}

.corridor-exit-link span {
    color: var(--corridor-acid);
    font-size: 16px;
}

.corridor-exit-link:hover {
    color: white;
}

.corridor-viewport {
    position: absolute;
    inset: 89px 0;
    overflow: hidden;
    outline: none;
    cursor: crosshair;
    user-select: none;
    touch-action: none;
}

.corridor-app.is-locked .corridor-viewport {
    cursor: none;
}

.corridor-scene {
    position: absolute;
    inset: 0;
    perspective: clamp(650px, 88vh, 820px);
    perspective-origin: 50% 50%;
    transform-style: preserve-3d;
}

.corridor-camera-pitch {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1px;
    height: 1px;
    transform-style: preserve-3d;
    transform-origin: 0 0;
    will-change: transform;
}

.corridor-camera-yaw,
.corridor-world {
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 1px;
    transform-style: preserve-3d;
    transform-origin: 0 0;
    will-change: transform;
}

#corridorShell,
#corridorPanels {
    position: absolute;
    inset: 0;
    transform-style: preserve-3d;
}

.corridor-chunk {
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 1px;
    transform-style: preserve-3d;
}

.corridor-segment {
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 1px;
    transform-style: preserve-3d;
}

.corridor-surface {
    position: absolute;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.045);
    backface-visibility: visible;
}

.corridor-surface::before {
    position: absolute;
    inset: 0;
    content: "";
    background:
        linear-gradient(90deg, transparent 49.8%, rgba(233, 255, 67, 0.19) 50%, transparent 50.2%),
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 100% 100%, 70px 70px, 70px 70px;
}

.corridor-surface--floor,
.corridor-surface--ceiling {
    width: 1200px;
    height: 632px;
    margin-left: -600px;
}

.corridor-surface--floor {
    background: linear-gradient(90deg, #07080b, #151823 50%, #07080b);
    transform: translateY(480px) rotateX(90deg);
    transform-origin: top center;
}

.corridor-surface--ceiling {
    background: #08090d;
    transform: translateY(-480px) rotateX(90deg);
    transform-origin: top center;
}

.corridor-surface--left,
.corridor-surface--right {
    width: 632px;
    height: 960px;
    margin-top: -480px;
    background:
        linear-gradient(180deg, rgba(5, 6, 9, 0.82), transparent 20% 80%, rgba(5, 6, 9, 0.82)),
        #11131b;
}

.corridor-surface--left {
    transform: translateX(-600px) rotateY(90deg);
    transform-origin: left center;
}

.corridor-surface--right {
    transform: translateX(600px) rotateY(-90deg);
    transform-origin: left center;
}

.corridor-stream-wall {
    position: absolute;
    top: -480px;
    left: -600px;
    width: 1200px;
    height: 960px;
    overflow: hidden;
    border: 2px solid rgba(233, 255, 67, 0.18);
    background:
        radial-gradient(circle at 50% 50%, rgba(121, 92, 255, 0.13), transparent 42%),
        linear-gradient(180deg, #0f1119, #07080c);
    backface-visibility: visible;
    box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.86);
}

.corridor-stream-wall::before {
    position: absolute;
    inset: 0;
    content: "";
    background:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 70px 70px;
}

.corridor-stream-message {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 22px;
    padding: 90px;
    text-align: center;
    text-transform: uppercase;
    pointer-events: none;
}

.corridor-stream-message small {
    color: rgba(244, 241, 233, 0.56);
    font-size: 18px;
    letter-spacing: 0.34em;
}

.corridor-stream-message strong {
    max-width: 960px;
    color: var(--corridor-acid);
    font-size: clamp(58px, 8vw, 112px);
    line-height: 0.94;
    letter-spacing: -0.055em;
    text-shadow: 0 0 28px rgba(233, 255, 67, 0.34);
}

.corridor-stream-message strong.is-changing {
    animation: corridor-message-in 520ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.corridor-stream-message--rear {
    transform: rotateY(180deg) translateZ(3px);
}

.corridor-stream-message--rear small {
    color: rgba(244, 241, 233, 0.45);
}

.corridor-stream-message--rear strong {
    color: #ff5d72;
    font-size: clamp(54px, 7vw, 96px);
    letter-spacing: -0.045em;
    text-transform: none;
    text-shadow: 0 0 30px rgba(255, 93, 114, 0.34);
}

.corridor-stream-message[hidden] {
    display: none;
}

.corridor-stream-wall[hidden] {
    display: none;
}

.corridor-frame {
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 1px;
    transform-style: preserve-3d;
}

.corridor-frame > span {
    position: absolute;
    display: block;
    background: #292d39;
    box-shadow: 0 0 20px rgba(121, 92, 255, 0.12);
}

.corridor-frame > span:nth-child(1),
.corridor-frame > span:nth-child(2) {
    top: -480px;
    width: 7px;
    height: 960px;
}

.corridor-frame > span:nth-child(1) { left: -600px; }
.corridor-frame > span:nth-child(2) { left: 593px; }

.corridor-frame > span:nth-child(3),
.corridor-frame > span:nth-child(4) {
    left: -600px;
    width: 1200px;
    height: 6px;
}

.corridor-frame > span:nth-child(3) { top: -480px; }
.corridor-frame > span:nth-child(4) { top: 474px; }

.corridor-frame > span:nth-child(3)::after {
    position: absolute;
    top: -1px;
    left: 32%;
    width: 36%;
    height: 8px;
    content: "";
    background: var(--corridor-acid);
    box-shadow: 0 0 24px rgba(233, 255, 67, 0.58);
}

.corridor-panel {
    --panel-z: -800px;
    --row-y: 0px;
    position: absolute;
    top: 0;
    left: 0;
    width: 500px;
    height: 330px;
    margin-top: -165px;
    margin-left: -250px;
    padding: 0;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.23);
    border-radius: 2px;
    color: white;
    background: #11131a;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
    contain: layout paint style;
    cursor: pointer;
    transform-style: preserve-3d;
    backface-visibility: visible;
    transition: border-color 120ms ease;
}

.corridor-panel--left {
    transform: translate3d(-596px, var(--row-y), var(--panel-z)) rotateY(90deg);
}

.corridor-panel--right {
    transform: translate3d(596px, var(--row-y), var(--panel-z)) rotateY(-90deg);
}

.corridor-panel::before {
    position: absolute;
    inset: 0;
    z-index: 2;
    content: "";
    background:
        linear-gradient(180deg, rgba(5, 6, 9, 0.08), transparent 36%, rgba(4, 5, 7, 0.95) 100%),
        linear-gradient(90deg, rgba(5, 6, 9, 0.25), transparent 35%);
}

.corridor-panel::after {
    position: absolute;
    inset: 8px;
    z-index: 4;
    border: 1px solid transparent;
    content: "";
}

.corridor-panel img,
.corridor-panel__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    transition: opacity 180ms ease, transform 220ms ease;
}

.corridor-panel__video {
    z-index: 1;
    background: #050608;
    opacity: 0;
}

.corridor-panel.is-video-playing .corridor-panel__video {
    opacity: 1;
}

.corridor-panel.is-video-playing img {
    opacity: 0;
}

.corridor-panel__status {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 5;
    max-width: calc(100% - 48px);
    padding: 9px 12px;
    border: 1px solid rgba(233, 255, 67, 0.45);
    border-radius: 999px;
    color: var(--corridor-acid);
    background: rgba(5, 6, 8, 0.84);
    font-family: Consolas, monospace;
    font-size: 9px;
    letter-spacing: 0.12em;
    opacity: 0;
    pointer-events: none;
    text-align: center;
    text-transform: uppercase;
    transform: translate(-50%, -50%);
    transition: opacity 120ms ease;
}

.corridor-panel.is-video-loading .corridor-panel__status,
.corridor-panel.is-video-slow .corridor-panel__status,
.corridor-panel.is-video-unavailable .corridor-panel__status {
    opacity: 1;
}

.corridor-panel.is-video-slow .corridor-panel__status {
    border-color: rgba(255, 255, 255, 0.28);
    color: rgba(255, 255, 255, 0.75);
}

.corridor-panel.is-video-unavailable .corridor-panel__status {
    border-color: rgba(248, 113, 113, 0.45);
    color: #fecaca;
}

.corridor-panel__index,
.corridor-panel__duration,
.corridor-panel__copy,
.corridor-panel__open {
    position: absolute;
    z-index: 3;
}

.corridor-panel__index {
    top: 22px;
    left: 23px;
    color: var(--corridor-acid);
    font-family: Consolas, monospace;
    font-size: 11px;
    letter-spacing: 0.17em;
}

.corridor-panel__duration {
    top: 20px;
    right: 21px;
    padding: 6px 8px;
    background: rgba(5, 6, 8, 0.72);
    font-family: Consolas, monospace;
    font-size: 10px;
}

.corridor-panel__copy {
    right: 62px;
    bottom: 23px;
    left: 23px;
    text-align: left;
}

.corridor-panel__copy small,
.corridor-panel__copy strong,
.corridor-panel__copy span {
    display: block;
}

.corridor-panel__copy small {
    margin-bottom: 7px;
    overflow: hidden;
    color: var(--corridor-acid);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
}

.corridor-panel__copy strong {
    overflow: hidden;
    font-size: 22px;
    line-height: 1.05;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.corridor-panel__copy span {
    margin-top: 6px;
    color: #a5a7af;
    font-size: 10px;
}

.corridor-panel__open {
    right: 22px;
    bottom: 24px;
    display: grid;
    width: 36px;
    height: 36px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.46);
    border-radius: 50%;
    font-size: 16px;
}

.corridor-panel.is-target,
.corridor-panel:focus-visible {
    border-color: var(--corridor-acid);
    outline: 0;
    box-shadow:
        0 0 0 4px rgba(233, 255, 67, 0.08),
        0 0 20px rgba(233, 255, 67, 0.28);
}

.corridor-panel.is-target::after,
.corridor-panel:focus-visible::after {
    border-color: rgba(233, 255, 67, 0.75);
}

.corridor-panel.is-target img,
.corridor-panel.is-target .corridor-panel__video,
.corridor-panel:focus-visible img,
.corridor-panel:focus-visible .corridor-panel__video {
    transform: scale(1.025);
}

.corridor-finish {
    position: absolute;
    top: -260px;
    left: -420px;
    display: grid;
    width: 840px;
    height: 520px;
    place-content: center;
    border: 1px solid rgba(233, 255, 67, 0.35);
    background: radial-gradient(circle, rgba(121, 92, 255, 0.24), #06070a 68%);
    text-align: center;
    transform: translateZ(var(--finish-z, -4000px));
}

.corridor-finish[hidden] {
    display: none;
}

.corridor-finish span {
    color: var(--corridor-acid);
    font-size: clamp(26px, 4vw, 48px);
    font-weight: 900;
    letter-spacing: 0.14em;
}

.corridor-finish small {
    margin-top: 14px;
    color: var(--corridor-muted);
    letter-spacing: 0.1em;
}

.corridor-reticle {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 35;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255, 255, 255, 0.58);
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: width 120ms ease, height 120ms ease, border-color 120ms ease, opacity 180ms ease;
}

.corridor-app.is-locked .corridor-reticle,
.corridor-app.is-touch-mode .corridor-reticle {
    opacity: 1;
}

.corridor-reticle > span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--corridor-acid);
    box-shadow: 0 0 9px var(--corridor-acid);
    transform: translate(-50%, -50%);
}

.corridor-reticle small {
    position: absolute;
    top: 44px;
    left: 50%;
    width: 190px;
    color: rgba(255, 255, 255, 0.62);
    font-family: Consolas, monospace;
    font-size: 8px;
    letter-spacing: 0.15em;
    text-align: center;
    transform: translateX(-50%);
}

.corridor-reticle.is-target {
    width: 48px;
    height: 48px;
    border-color: var(--corridor-acid);
}

.corridor-reticle.is-target small {
    color: var(--corridor-acid);
}

.corridor-focus {
    position: absolute;
    right: clamp(22px, 4vw, 64px);
    bottom: 30px;
    z-index: 34;
    display: grid;
    width: min(440px, calc(100% - 44px));
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 17px;
    padding: 18px 20px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(7, 8, 11, 0.94);
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity 150ms ease, transform 150ms ease;
}

.corridor-focus.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.corridor-focus__number {
    color: var(--corridor-acid);
    font-family: Consolas, monospace;
    font-size: 11px;
}

.corridor-focus__copy small,
.corridor-focus__copy strong,
.corridor-focus__copy span {
    display: block;
}

.corridor-focus__copy small {
    margin-bottom: 4px;
    overflow: hidden;
    color: var(--corridor-muted);
    font-size: 8px;
    letter-spacing: 0.15em;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
}

.corridor-focus__copy strong {
    overflow: hidden;
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.corridor-focus__copy span {
    margin-top: 4px;
    color: #8a8d96;
    font-size: 9px;
}

.corridor-focus__key {
    display: grid;
    width: 36px;
    height: 36px;
    place-items: center;
    border: 1px solid var(--corridor-acid);
    color: var(--corridor-acid);
    font-family: Consolas, monospace;
    font-size: 12px;
}

.corridor-lock {
    position: absolute;
    inset: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(28px, 8vw, 140px);
    background:
        linear-gradient(90deg, rgba(5, 6, 8, 0.97) 0%, rgba(5, 6, 8, 0.88) 38%, rgba(5, 6, 8, 0.25) 74%, rgba(5, 6, 8, 0.1));
    transition: opacity 220ms ease, visibility 220ms ease;
}

.corridor-app.is-locked .corridor-lock,
.corridor-app.is-touch-mode .corridor-lock {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

.corridor-lock__eyebrow {
    margin: 0 0 18px;
    color: var(--corridor-acid);
    font-family: Consolas, monospace;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.22em;
}

.corridor-lock h1 {
    margin: 0;
    font-size: clamp(62px, 8.5vw, 132px);
    font-weight: 900;
    letter-spacing: -0.075em;
    line-height: 0.78;
    text-transform: uppercase;
}

.corridor-lock h1 em {
    color: transparent;
    font-family: Georgia, serif;
    font-weight: 400;
    letter-spacing: -0.05em;
    -webkit-text-stroke: 1px rgba(244, 241, 233, 0.78);
    text-transform: lowercase;
}

.corridor-lock > p:not(.corridor-lock__eyebrow) {
    max-width: 510px;
    margin: 30px 0 25px;
    color: #a4a6ae;
    font-size: 14px;
    line-height: 1.65;
}

.corridor-lock > button {
    display: flex;
    width: min(390px, 100%);
    align-items: center;
    justify-content: space-between;
    padding: 17px 19px;
    border: 1px solid var(--corridor-acid);
    color: #08090b;
    background: var(--corridor-acid);
    cursor: pointer;
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.12em;
    transition: color 140ms ease, background 140ms ease, transform 140ms ease;
}

.corridor-lock > button:hover,
.corridor-lock > button:focus-visible {
    color: var(--corridor-acid);
    background: #08090b;
    outline: 0;
    transform: translateX(4px);
}

.corridor-lock > button span:last-child {
    font-size: 18px;
}

.corridor-lock__controls {
    display: flex;
    flex-wrap: wrap;
    gap: 17px;
    margin-top: 16px;
    color: #656872;
    font-family: Consolas, monospace;
    font-size: 8px;
    letter-spacing: 0.08em;
}

.corridor-lock__controls span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.corridor-lock__controls kbd {
    padding: 4px 5px;
    border: 1px solid #3b3e48;
    border-radius: 2px;
    color: #9a9ca4;
    background: #111218;
    font-family: inherit;
    font-size: 8px;
}

.corridor-control--touch {
    display: none !important;
}

.corridor-empty {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 60;
    display: grid;
    gap: 12px;
    padding: 28px;
    border: 1px solid var(--corridor-line);
    background: rgba(5, 6, 8, 0.9);
    text-align: center;
    transform: translate(-50%, -50%);
}

.corridor-empty a {
    color: var(--corridor-acid);
}

.corridor-keys {
    display: flex;
    align-items: center;
    gap: 13px;
}

.corridor-keys > div {
    display: grid;
    width: 64px;
    grid-template-columns: repeat(3, 20px);
    grid-template-rows: repeat(2, 20px);
    gap: 2px;
}

.corridor-key--up {
    grid-column: 2;
    grid-row: 1;
}

.corridor-key--left {
    grid-column: 1;
    grid-row: 2;
}

.corridor-key--down {
    grid-column: 2;
    grid-row: 2;
}

.corridor-key--right {
    grid-column: 3;
    grid-row: 2;
}

.corridor-keys kbd {
    display: grid;
    place-items: center;
    border: 1px solid #41444e;
    border-radius: 2px;
    color: #989aa3;
    background: #101116;
    font-family: Consolas, monospace;
    font-size: 8px;
}

.corridor-keys .corridor-sprint-key {
    width: 44px;
    height: 42px;
    padding: 0 5px;
    font-size: 7px;
    letter-spacing: 0.06em;
}

.corridor-keys kbd.is-active {
    border-color: var(--corridor-acid);
    color: #07080a;
    background: var(--corridor-acid);
}

.corridor-keys > span strong,
.corridor-keys > span small {
    display: block;
}

.corridor-keys > span strong {
    font-size: 10px;
    letter-spacing: 0.12em;
}

.corridor-keys > span small {
    margin-top: 3px;
    color: var(--corridor-muted);
    font-size: 9px;
}

.corridor-progress {
    display: grid;
    width: min(44vw, 620px);
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 14px;
    color: #666872;
    font-family: Consolas, monospace;
    font-size: 8px;
    letter-spacing: 0.12em;
}

.corridor-progress > div {
    height: 1px;
    background: #343741;
}

.corridor-progress i {
    position: relative;
    display: block;
    width: 0;
    height: 1px;
    background: var(--corridor-acid);
    box-shadow: 0 0 11px rgba(233, 255, 67, 0.58);
}

.corridor-progress i::after {
    position: absolute;
    top: 50%;
    right: -3px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--corridor-acid);
    content: "";
    transform: translateY(-50%);
}

.corridor-position {
    display: flex;
    align-items: baseline;
    gap: 5px;
    font-family: Consolas, monospace;
}

.corridor-position > span {
    margin-right: 7px;
    color: #70727b;
    font-size: 8px;
    letter-spacing: 0.12em;
}

.corridor-position strong {
    color: var(--corridor-acid);
    font-size: 20px;
    font-weight: 400;
}

.corridor-position small {
    color: #666872;
    font-size: 10px;
}

.corridor-touch-controls {
    position: fixed;
    right: 18px;
    bottom: 104px;
    z-index: 80;
    display: none;
    grid-template-columns: repeat(3, 44px);
    grid-template-rows: repeat(2, 44px);
    gap: 5px;
}

.corridor-touch-control--up {
    grid-column: 2;
    grid-row: 1;
}

.corridor-touch-control--left {
    grid-column: 1;
    grid-row: 2;
}

.corridor-touch-control--down {
    grid-column: 2;
    grid-row: 2;
}

.corridor-touch-control--right {
    grid-column: 3;
    grid-row: 2;
}

.corridor-touch-controls button {
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    color: white;
    background: rgba(7, 8, 11, 0.76);
    backdrop-filter: blur(12px);
}

.corridor-touch-controls button.is-active {
    border-color: var(--corridor-acid);
    color: #08090b;
    background: var(--corridor-acid);
}

@keyframes corridor-pulse {
    50% {
        opacity: 0.4;
        box-shadow: 0 0 5px var(--corridor-acid);
    }
}

@keyframes corridor-message-in {
    from {
        opacity: 0;
        transform: translateY(28px) scale(0.96);
        filter: blur(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

@media (max-width: 760px) {
    .corridor-hud--top,
    .corridor-hud--bottom {
        height: 70px;
    }

    .corridor-viewport {
        inset: 71px 0;
    }

    .corridor-sector,
    .corridor-exit-link,
    .corridor-keys,
    .corridor-progress > span {
        display: none;
    }

    .corridor-progress {
        width: 45vw;
        grid-template-columns: 1fr;
    }

    .corridor-brand__mark {
        width: 35px;
        height: 35px;
    }

    .corridor-brand small {
        display: none;
    }

    .corridor-lock {
        padding: 20px;
        background: rgba(5, 6, 8, 0.86);
    }

    .corridor-lock h1 {
        font-size: clamp(46px, 15vw, 68px);
    }

    .corridor-lock > p:not(.corridor-lock__eyebrow) {
        max-width: 100%;
        margin: 20px 0;
        font-size: 13px;
        line-height: 1.5;
    }

    .corridor-lock__controls {
        gap: 8px;
    }

    .corridor-control--desktop {
        display: none !important;
    }

    .corridor-control--touch {
        display: inline-flex !important;
    }

    .corridor-focus {
        right: 14px;
        bottom: 92px;
        left: 14px;
        width: auto;
        grid-template-columns: auto minmax(0, 1fr);
        gap: 10px;
        padding: 13px 14px;
    }

    .corridor-focus__key {
        display: none;
    }

    .corridor-focus__copy span {
        line-height: 1.35;
    }

    .corridor-touch-controls {
        display: grid;
        bottom: 84px;
    }
}

@media (max-height: 590px) {
    .corridor-hud--top,
    .corridor-hud--bottom {
        height: 58px;
    }

    .corridor-viewport {
        inset: 59px 0;
    }

    .corridor-lock h1 {
        font-size: 48px;
    }

    .corridor-lock > p:not(.corridor-lock__eyebrow) {
        margin: 16px 0;
        line-height: 1.35;
    }

    .corridor-lock__controls {
        display: none;
    }

    .corridor-touch-controls {
        bottom: 68px;
    }
}

/* Телефон, повёрнутый горизонтально. Ширина уже похожа на планшетную,
   поэтому здесь дополнительно сохраняем именно сенсорный интерфейс. */
@media (orientation: landscape) and (max-width: 950px) and (max-height: 590px) {
    .corridor-hud--top,
    .corridor-hud--bottom {
        height: 52px;
        padding-right: 16px;
        padding-left: 16px;
    }

    .corridor-viewport {
        inset: 53px 0;
    }

    .corridor-sector,
    .corridor-exit-link,
    .corridor-keys,
    .corridor-progress > span {
        display: none;
    }

    .corridor-brand__mark {
        width: 32px;
        height: 32px;
    }

    .corridor-brand small {
        display: none;
    }

    .corridor-progress {
        width: 32vw;
        grid-template-columns: 1fr;
    }

    .corridor-lock {
        display: grid;
        grid-template-columns: minmax(190px, .78fr) minmax(260px, 1.22fr);
        grid-template-rows: auto 1fr auto;
        align-content: center;
        column-gap: clamp(18px, 4vw, 44px);
        padding: 12px 20px;
        background: rgba(5, 6, 8, .9);
    }

    .corridor-lock__eyebrow {
        grid-column: 1;
        grid-row: 1;
        margin-bottom: 8px;
    }

    .corridor-lock h1 {
        grid-column: 1;
        grid-row: 2 / span 2;
        align-self: center;
        font-size: clamp(42px, 7.5vw, 62px);
    }

    .corridor-lock > p:not(.corridor-lock__eyebrow) {
        grid-column: 2;
        grid-row: 1;
        max-width: 540px;
        margin: 0 0 10px;
        font-size: 12px;
        line-height: 1.4;
    }

    .corridor-lock > button {
        grid-column: 2;
        grid-row: 2;
        align-self: center;
        width: 100%;
        padding: 13px 16px;
    }

    .corridor-lock__controls {
        display: flex;
        grid-column: 2;
        grid-row: 3;
        gap: 7px;
        margin-top: 8px;
    }

    .corridor-control--desktop {
        display: none !important;
    }

    .corridor-control--touch {
        display: inline-flex !important;
    }

    .corridor-focus {
        right: auto;
        bottom: 60px;
        left: 14px;
        width: min(420px, calc(100% - 230px));
        grid-template-columns: auto minmax(0, 1fr);
        gap: 10px;
        padding: 12px 14px;
    }

    .corridor-focus__key {
        display: none;
    }

    .corridor-touch-controls {
        display: grid;
        right: 16px;
        bottom: 62px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}