:root {
    --ink: #11120f;
    --ink-2: #191b17;
    --ink-3: #242720;
    --paper: #d8caaa;
    --paper-pale: #eee5d0;
    --paper-deep: #a79573;
    --muted: #9f9888;
    --dim: #706c61;
    --red: #aa3e35;
    --red-bright: #d65d51;
    --amber: #d2a04d;
    --green: #7f987b;
    --cyan: #84aaad;
    --line: rgba(220, 207, 176, 0.2);
    --display: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
    --body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --mono: "SFMono-Regular", "Menlo", "Consolas", monospace;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    color: var(--paper-pale);
    font-family: var(--body);
    background:
        radial-gradient(circle at 12% 0%, rgba(97, 124, 112, 0.12), transparent 32rem),
        radial-gradient(circle at 90% 82%, rgba(135, 57, 48, 0.1), transparent 38rem),
        repeating-linear-gradient(91deg, rgba(255,255,255,.011) 0 1px, transparent 1px 20px),
        #0d0f0c;
    overflow-x: hidden;
}

body.modal-open {
    overflow: hidden;
}

button {
    color: inherit;
    font: inherit;
}

button:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--amber);
    outline-offset: 3px;
}

[hidden] {
    display: none !important;
}

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

.noise {
    position: fixed;
    inset: 0;
    z-index: 100;
    pointer-events: none;
    opacity: .4;
    background:
        repeating-linear-gradient(0deg, transparent 0 3px, rgba(190, 224, 214, .018) 3px 4px);
}

.noise::after {
    content: "";
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 150px rgba(0,0,0,.68);
}

.eyebrow {
    margin: 0;
    color: var(--amber);
    font: 700 .68rem/1.4 var(--mono);
    letter-spacing: .16em;
    text-transform: uppercase;
}

/* Start screen */
.start-screen {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(420px, .85fr);
    background: #0b0d0b;
}

.start-visual {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.start-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(.72) contrast(1.08);
}

.start-visual::before {
    content: "";
    position: absolute;
    z-index: 2;
    inset: 0;
    background:
        linear-gradient(90deg, transparent 55%, #0b0d0b 100%),
        linear-gradient(0deg, rgba(0,0,0,.68), transparent 45%);
}

.start-reticle {
    position: absolute;
    z-index: 3;
    left: 17%;
    top: 48%;
    width: 120px;
    height: 120px;
    border: 1px solid rgba(225, 216, 195, .55);
    border-radius: 50%;
    box-shadow: 0 0 0 7px rgba(9,11,9,.3), inset 0 0 35px rgba(132,170,173,.12);
}

.start-reticle::before,
.start-reticle::after {
    content: "";
    position: absolute;
    background: rgba(225, 216, 195, .55);
}

.start-reticle::before {
    width: 150px;
    height: 1px;
    top: 50%;
    left: -15px;
}

.start-reticle::after {
    width: 1px;
    height: 150px;
    left: 50%;
    top: -15px;
}

.start-scanline {
    position: absolute;
    z-index: 4;
    left: 0;
    right: 0;
    top: 0;
    height: 2px;
    background: rgba(168, 218, 210, .55);
    box-shadow: 0 0 14px rgba(168,218,210,.45);
    animation: scan 5.5s linear infinite;
}

@keyframes scan {
    from { transform: translateY(-5vh); }
    to { transform: translateY(105vh); }
}

.start-dossier {
    position: relative;
    z-index: 5;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(38px, 6vw, 86px);
    background:
        linear-gradient(rgba(59, 49, 34, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,49,34,.035) 1px, transparent 1px),
        var(--paper);
    background-size: 27px 27px;
    color: var(--ink);
}

.start-dossier::before {
    content: "";
    position: absolute;
    width: 100px;
    height: 30px;
    top: 18px;
    left: 50%;
    transform: translateX(-50%) rotate(-1.5deg);
    background: rgba(239, 225, 190, .5);
    box-shadow: 0 2px 8px rgba(36,28,18,.15);
}

.start-dossier .eyebrow {
    color: #6c6049;
}

.start-dossier h1 {
    margin: 30px 0 20px;
    color: var(--ink);
    font: 700 clamp(3.4rem, 6vw, 6.5rem)/.9 var(--display);
    letter-spacing: -.06em;
}

.start-dossier h1 span {
    display: block;
    margin-bottom: 12px;
    color: var(--red);
    font: 700 .28em/1 var(--display);
    letter-spacing: .22em;
}

.start-lede {
    margin: 0 0 30px;
    color: #3c382f;
    font: 1rem/1.9 var(--display);
}

.interaction-list {
    border-top: 1px solid rgba(37,32,26,.24);
    border-bottom: 1px solid rgba(37,32,26,.24);
    margin-bottom: 25px;
}

.interaction-list > div {
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: 14px;
    padding: 11px 0;
    border-bottom: 1px solid rgba(37,32,26,.12);
}

.interaction-list > div:last-child {
    border-bottom: 0;
}

.interaction-list strong {
    color: var(--red);
    font: 700 .78rem var(--mono);
}

.interaction-list span {
    color: #4f493c;
    font-size: .82rem;
}

.primary-btn {
    min-height: 50px;
    padding: 13px 22px;
    border: 1px solid var(--paper-pale);
    border-radius: 1px;
    color: var(--paper-pale);
    background: var(--ink);
    cursor: pointer;
    font-weight: 700;
    letter-spacing: .08em;
    transition: transform .18s, background .18s, border-color .18s;
}

.primary-btn:hover {
    background: var(--red);
    border-color: var(--red);
    transform: translateY(-2px);
}

.start-btn {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.start-note {
    margin: 12px 0 0;
    color: #766b55;
    font: .65rem var(--mono);
    text-align: center;
}

/* Game frame */
.game-screen {
    position: relative;
    z-index: 1;
}

.topbar {
    position: sticky;
    z-index: 40;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 74px;
    padding: 10px clamp(14px, 3vw, 36px);
    border-bottom: 1px solid var(--line);
    background: rgba(13,15,12,.93);
    backdrop-filter: blur(16px);
}

.case-identity {
    display: flex;
    align-items: center;
    gap: 15px;
}

.case-code {
    padding: 8px 10px;
    border: 1px solid var(--red);
    color: var(--red-bright);
    font: 700 .65rem var(--mono);
    letter-spacing: .12em;
    transform: rotate(-2deg);
}

.case-identity h1 {
    margin: 0;
    font: 700 1.45rem var(--display);
    letter-spacing: .08em;
}

.case-identity p {
    margin: 2px 0 0;
    color: var(--muted);
    font: .62rem var(--mono);
}

.resource-strip {
    display: grid;
    grid-auto-flow: column;
    align-items: stretch;
    border: 1px solid var(--line);
}

.resource-strip > div {
    min-width: 74px;
    padding: 7px 12px;
    border-left: 1px solid var(--line);
    text-align: center;
}

.resource-strip > div:first-child {
    border-left: 0;
}

.resource-strip span {
    display: block;
    color: var(--muted);
    font: .58rem var(--mono);
}

.resource-strip strong {
    color: var(--paper-pale);
    font: 700 .95rem var(--mono);
}

.resource-strip .timer-resource strong {
    color: var(--amber);
}

.game-shell {
    max-width: 1560px;
    margin: 0 auto;
    padding: 18px clamp(12px, 2.5vw, 34px) 48px;
}

.objective-ribbon {
    display: grid;
    grid-template-columns: auto 130px minmax(0, 1fr);
    align-items: center;
    gap: 18px;
    margin-bottom: 14px;
    padding: 10px 13px;
    border: 1px solid var(--line);
    background: rgba(24,27,22,.9);
}

.objective-title {
    display: flex;
    gap: 9px;
    align-items: baseline;
}

.objective-title span {
    color: var(--muted);
    font-size: .7rem;
}

.objective-title strong {
    color: var(--amber);
    font: 700 .9rem var(--mono);
}

.objective-toggle {
    display: none;
}

.readiness-track {
    height: 4px;
    background: #30342b;
    overflow: hidden;
}

.readiness-track span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--amber);
    transition: width .3s ease;
}

.objective-list {
    display: flex;
    justify-content: flex-end;
    gap: 7px;
    flex-wrap: wrap;
}

.objective-chip {
    padding: 6px 9px;
    border: 1px solid #393d34;
    color: #7e796d;
    background: #151713;
    font: .62rem var(--mono);
}

.objective-chip::before {
    content: "○";
    margin-right: 6px;
}

.objective-chip.done {
    color: #b7c9ad;
    border-color: rgba(127,152,123,.5);
}

.objective-chip.done::before {
    content: "●";
    color: var(--green);
}

.workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 390px;
    gap: 16px;
    align-items: start;
}

.stage-section,
.dossier-panel,
.evidence-section {
    min-width: 0;
}

.stage-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    min-height: 46px;
    margin-bottom: 8px;
}

.stage-heading h2,
.evidence-heading h2 {
    margin: 2px 0 0;
    font: 700 1.25rem var(--display);
    letter-spacing: .08em;
}

.stage-heading > p {
    max-width: 410px;
    margin: 0;
    color: var(--muted);
    font-size: .72rem;
    text-align: right;
}

.stage-frame {
    border: 1px solid rgba(218,207,180,.28);
    background: #070806;
    box-shadow: var(--shadow);
}

.stage-toolbar {
    display: flex;
    gap: 1px;
    padding: 8px;
    border-bottom: 1px solid var(--line);
    background: #151713;
}

.tool-btn {
    min-height: 42px;
    padding: 7px 13px;
    border: 1px solid transparent;
    color: var(--muted);
    background: #1d201a;
    cursor: pointer;
    font-size: .7rem;
}

.tool-btn span:first-child {
    margin-right: 6px;
    color: var(--paper-pale);
    font-size: .95rem;
}

.tool-btn:hover {
    color: var(--paper-pale);
    border-color: #44483e;
}

.tool-btn.active {
    color: var(--ink);
    background: var(--paper);
    border-color: var(--paper);
}

.tool-btn.active span:first-child {
    color: var(--red);
}

.tool-btn:disabled {
    opacity: .35;
    cursor: not-allowed;
}

.tool-btn.quiet {
    margin-left: auto;
    background: transparent;
}

.explore-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    isolation: isolate;
    background: #090a08;
    touch-action: pan-y;
    user-select: none;
}

.explore-stage.scanning {
    cursor: none;
    touch-action: none;
}

.explore-stage.drag-active {
    touch-action: none;
}

.explore-stage > img {
    position: absolute;
    z-index: 0;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    -webkit-user-drag: none;
}

.stage-vignette {
    position: absolute;
    z-index: 1;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(0deg, rgba(0,0,0,.38), transparent 28%),
        radial-gradient(circle, transparent 55%, rgba(0,0,0,.44) 100%);
}

.stage-grid {
    position: absolute;
    z-index: 2;
    inset: 0;
    opacity: .12;
    pointer-events: none;
    background:
        linear-gradient(rgba(180,218,205,.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(180,218,205,.18) 1px, transparent 1px);
    background-size: 10% 10%;
}

.marker-layer,
.hotspot-layer {
    position: absolute;
    z-index: 6;
    inset: 0;
    pointer-events: none;
}

.marker-layer {
    z-index: 10;
}

.person-marker {
    position: absolute;
    left: calc(var(--x) * 100%);
    top: calc(var(--y) * 100%);
    width: 64px;
    height: 76px;
    padding: 0;
    border: 0;
    color: var(--paper-pale);
    background: transparent;
    cursor: grab;
    pointer-events: auto;
    touch-action: none;
    transform: translate(-50%, -50%);
    transition: filter .18s, opacity .18s, transform .18s;
}

.person-marker:active {
    cursor: grabbing;
}

.explore-stage.scanning .person-marker {
    pointer-events: none;
    opacity: .52;
}

.person-marker .marker-frame {
    position: relative;
    width: 52px;
    height: 52px;
    margin: 0 auto;
    display: grid;
    place-items: center;
    border: 1px solid rgba(239,229,208,.82);
    background: rgba(7,9,7,.78);
    box-shadow: 0 6px 18px rgba(0,0,0,.45);
    font-size: 1.45rem;
    backdrop-filter: blur(5px);
}

.marker-avatar {
    filter: grayscale(.78) sepia(.2) contrast(1.05);
}

.person-marker .marker-frame::before,
.person-marker .marker-frame::after {
    content: "";
    position: absolute;
    width: 9px;
    height: 9px;
    border-color: var(--paper-pale);
}

.person-marker .marker-frame::before {
    left: -4px;
    top: -4px;
    border-left: 2px solid;
    border-top: 2px solid;
}

.person-marker .marker-frame::after {
    right: -4px;
    bottom: -4px;
    border-right: 2px solid;
    border-bottom: 2px solid;
}

.person-marker .marker-name {
    display: inline-block;
    max-width: 110px;
    margin-top: 5px;
    padding: 3px 6px;
    color: #f0e7d3;
    background: rgba(7,9,7,.83);
    border-left: 2px solid var(--cyan);
    font: 700 .58rem var(--mono);
    white-space: nowrap;
    box-shadow: 0 3px 10px rgba(0,0,0,.35);
}

.marker-person-name {
    margin-left: 4px;
}

.marker-ground {
    position: absolute;
    z-index: -1;
    left: 50%;
    top: 48px;
    width: 1px;
    height: 27px;
    background: linear-gradient(var(--paper-pale), transparent);
    opacity: .55;
    transform: translateX(-50%);
}

.marker-ground::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -1px;
    width: 22px;
    height: 6px;
    border: 1px solid rgba(238,229,208,.58);
    border-radius: 50%;
    transform: translateX(-50%);
}

.person-marker:hover,
.person-marker.selected,
.person-marker.dragging {
    z-index: 20;
    filter: drop-shadow(0 0 10px rgba(210,160,77,.55));
}

.person-marker.dragging {
    transform: translate(-50%, calc(-50% - 6px)) scale(1.04);
}

.person-marker.selected .marker-frame,
.person-marker.dragging .marker-frame {
    border-color: var(--amber);
    box-shadow: 0 0 0 3px rgba(210,160,77,.19), 0 8px 24px rgba(0,0,0,.55);
}

.person-marker.marked .marker-name {
    border-left-color: var(--red-bright);
}

.person-marker.marked .marker-frame::after {
    content: "重点";
    width: auto;
    height: auto;
    right: -15px;
    bottom: -6px;
    padding: 2px 4px;
    border: 1px solid var(--red-bright);
    color: var(--red-bright);
    background: rgba(13,15,12,.85);
    font: 700 .48rem var(--mono);
    transform: rotate(-8deg);
}

.person-marker.talked .marker-frame {
    background: rgba(45,43,32,.88);
}

.person-marker.eliminated {
    opacity: .28;
    pointer-events: none;
    filter: grayscale(1);
}

.person-marker.eliminated::after {
    content: "已排除";
    position: absolute;
    left: 50%;
    top: 23px;
    width: 72px;
    padding: 3px;
    color: var(--red-bright);
    border: 2px solid currentColor;
    background: rgba(13,15,12,.85);
    font: 700 .55rem var(--mono);
    transform: translate(-50%, -50%) rotate(-12deg);
}

.person-marker.drop-preview .marker-frame {
    border-color: var(--amber);
    animation: targetPulse .8s ease-in-out infinite alternate;
}

@keyframes targetPulse {
    to { box-shadow: 0 0 0 8px rgba(210,160,77,.2); }
}

.hotspot-anchor {
    position: absolute;
    left: calc(var(--x) * 100%);
    top: calc(var(--y) * 100%);
    width: calc(var(--radius) * 200%);
    aspect-ratio: 1;
    border: 1px dashed transparent;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: border-color .15s, background .15s, opacity .15s;
}

.hotspot-anchor.drop-preview {
    border-color: rgba(210,160,77,.8);
    background: rgba(210,160,77,.09);
    box-shadow: 0 0 20px rgba(210,160,77,.18);
}

.hotspot-anchor.discovered {
    border-color: transparent;
}

.magnifier-lens {
    --lens-size: 176px;
    --lens-accent: var(--amber);
    --signal-strength: 0;
    position: absolute;
    z-index: 25;
    left: 50%;
    top: 50%;
    width: var(--lens-size);
    height: var(--lens-size);
    border: 5px solid #d8caaa;
    border-radius: 50%;
    overflow: hidden;
    isolation: isolate;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(.88);
    box-shadow: 0 16px 36px rgba(0,0,0,.55), inset 0 0 26px rgba(0,0,0,.25), 0 0 0 2px rgba(17,18,15,.8);
    background-image: url("assets/elevator-investigation-board.png");
    background-repeat: no-repeat;
    transition: opacity .15s, transform .15s, border-color .15s, box-shadow .15s;
}

.explore-stage.scanning .magnifier-lens {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.magnifier-lens.has-target {
    border-color: var(--lens-accent);
    box-shadow: 0 0 0 2px rgba(17,18,15,.85), 0 0 30px color-mix(in srgb, var(--lens-accent) 58%, transparent), inset 0 0 22px rgba(0,0,0,.2);
}

.magnifier-lens.tone-danger,
.scan-feedback.tone-danger {
    --lens-accent: #d85b4e;
}

.magnifier-lens.tone-trace,
.scan-feedback.tone-trace {
    --lens-accent: var(--amber);
}

.magnifier-lens.tone-baseline,
.scan-feedback.tone-baseline {
    --lens-accent: #85c3c6;
}

.lens-anomaly-anchor {
    position: absolute;
    z-index: 2;
    inset: 0;
    pointer-events: none;
    transform: translate3d(0,0,0);
    will-change: transform;
}

.lens-anomaly-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: var(--signal-strength);
    mix-blend-mode: screen;
    filter: drop-shadow(0 0 5px color-mix(in srgb, var(--lens-accent) 54%, transparent));
    transform: scale(1.035);
    transform-origin: center;
    transition: opacity .12s linear;
}

.lens-sweep {
    position: absolute;
    z-index: 5;
    left: 12%;
    right: 12%;
    top: 16%;
    height: 2px;
    opacity: 0;
    background: linear-gradient(90deg, transparent, var(--lens-accent) 18% 82%, transparent);
    box-shadow: 0 0 10px var(--lens-accent);
}

.lens-lock {
    position: absolute;
    z-index: 6;
    inset: 19px;
    opacity: 0;
    background:
        linear-gradient(var(--lens-accent), var(--lens-accent)) left top / 19px 2px no-repeat,
        linear-gradient(var(--lens-accent), var(--lens-accent)) left top / 2px 19px no-repeat,
        linear-gradient(var(--lens-accent), var(--lens-accent)) right top / 19px 2px no-repeat,
        linear-gradient(var(--lens-accent), var(--lens-accent)) right top / 2px 19px no-repeat,
        linear-gradient(var(--lens-accent), var(--lens-accent)) left bottom / 19px 2px no-repeat,
        linear-gradient(var(--lens-accent), var(--lens-accent)) left bottom / 2px 19px no-repeat,
        linear-gradient(var(--lens-accent), var(--lens-accent)) right bottom / 19px 2px no-repeat,
        linear-gradient(var(--lens-accent), var(--lens-accent)) right bottom / 2px 19px no-repeat;
}

.magnifier-lens.has-target .lens-lock {
    opacity: .78;
}

.magnifier-lens.target-enter .lens-sweep {
    animation: lensSweep .48s cubic-bezier(.22,.75,.32,1);
}

.magnifier-lens.target-enter .lens-lock {
    animation: lensLock .42s ease-out;
}

.magnifier-lens[data-target="parcel"] .lens-anomaly-image {
    animation: anomalySeep 1.75s ease-in-out infinite alternate;
}

.magnifier-lens[data-target="ceiling"] .lens-anomaly-image {
    animation: anomalyFlicker 1.15s steps(3, end) infinite;
}

.magnifier-lens[data-target="reflection"] .lens-anomaly-image {
    animation: anomalyLag 1.45s cubic-bezier(.35,0,.65,1) infinite;
}

.lens-target-code {
    position: absolute;
    z-index: 9;
    left: 19px;
    top: 13px;
    max-width: 68%;
    color: var(--lens-accent);
    font: 700 .48rem var(--mono);
    letter-spacing: .1em;
    text-shadow: 0 1px 4px #000;
}

.lens-signal-track {
    position: absolute;
    z-index: 9;
    left: 19px;
    bottom: 14px;
    width: 58px;
    height: 3px;
    overflow: hidden;
    background: rgba(5,7,5,.72);
    box-shadow: 0 0 0 1px rgba(236,229,210,.22);
}

.lens-signal-track i {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--lens-accent);
    box-shadow: 0 0 7px var(--lens-accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .08s linear;
}

.lens-capture-ring {
    position: absolute;
    z-index: 10;
    inset: 9px;
    border: 2px solid #f5ead1;
    border-radius: 50%;
    opacity: 0;
    transform: scale(.78);
}

.magnifier-lens.capturing .lens-capture-ring {
    animation: lensCapture .58s ease-out;
}

.lens-cross {
    position: absolute;
    z-index: 8;
    left: 50%;
    top: 50%;
    background: rgba(236,229,210,.62);
}

.lens-cross.horizontal {
    width: 44px;
    height: 1px;
    transform: translate(-50%, -50%);
}

.lens-cross.vertical {
    width: 1px;
    height: 44px;
    transform: translate(-50%, -50%);
}

.lens-readout {
    position: absolute;
    z-index: 9;
    right: 18px;
    bottom: 12px;
    color: var(--paper-pale);
    font: .55rem var(--mono);
    text-shadow: 0 1px 3px #000;
}

.scan-feedback {
    --lens-accent: var(--amber);
    position: absolute;
    z-index: 28;
    left: 50%;
    bottom: 14px;
    width: min(620px, calc(100% - 28px));
    padding: 10px 13px 9px;
    color: var(--paper-pale);
    background: linear-gradient(90deg, rgba(8,10,8,.96), rgba(12,15,13,.88));
    border: 1px solid rgba(226,214,187,.26);
    border-left: 3px solid var(--lens-accent);
    box-shadow: 0 12px 28px rgba(0,0,0,.44);
    backdrop-filter: blur(7px);
    font: .62rem/1.45 var(--mono);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 8px);
    transition: opacity .18s, transform .18s;
}

.scan-feedback.visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.scan-feedback.at-top {
    top: 14px;
    bottom: auto;
    transform: translate(-50%, -8px);
}

.scan-feedback.at-top.visible {
    transform: translate(-50%, 0);
}

.scan-feedback-heading {
    display: flex;
    align-items: baseline;
    gap: 9px;
    min-width: 0;
}

.scan-feedback-heading strong {
    overflow: hidden;
    color: #f0e6cf;
    font: 700 .72rem/1.35 var(--display);
    letter-spacing: .025em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.scan-tag {
    flex: 0 0 auto;
    padding: 2px 5px;
    color: var(--lens-accent);
    border: 1px solid color-mix(in srgb, var(--lens-accent) 58%, transparent);
    background: color-mix(in srgb, var(--lens-accent) 10%, transparent);
    font-weight: 700;
    letter-spacing: .08em;
}

.scan-feedback p {
    margin: 5px 0 0;
}

.scan-observation {
    color: #c9c0ad;
}

.scan-story {
    padding-left: 8px;
    color: #a9c8c7;
    border-left: 1px solid rgba(133,195,198,.5);
}

.scan-action {
    display: block;
    margin-top: 6px;
    color: var(--lens-accent);
    font-weight: 700;
}

@keyframes lensSweep {
    0% { top: 16%; opacity: 0; }
    18% { opacity: .95; }
    82% { opacity: .75; }
    100% { top: 82%; opacity: 0; }
}

@keyframes lensLock {
    0% { opacity: 0; transform: scale(1.16); }
    58% { opacity: 1; }
    100% { opacity: .78; transform: scale(1); }
}

@keyframes lensCapture {
    0% { opacity: 0; transform: scale(.74); }
    28% { opacity: 1; }
    100% { opacity: 0; transform: scale(1.08); }
}

@keyframes anomalySeep {
    from { transform: scale(1.025); filter: saturate(.92) drop-shadow(0 0 3px rgba(216,91,78,.42)); }
    to { transform: scale(1.055); filter: saturate(1.25) drop-shadow(0 0 9px rgba(216,91,78,.72)); }
}

@keyframes anomalyFlicker {
    0%, 100% { filter: brightness(.9) drop-shadow(0 0 3px rgba(133,195,198,.4)); }
    34% { filter: brightness(1.4) drop-shadow(0 0 10px rgba(133,195,198,.78)); }
    68% { filter: brightness(.72) drop-shadow(0 0 2px rgba(133,195,198,.32)); }
}

@keyframes anomalyLag {
    0%, 42%, 100% { transform: translateY(0) scale(1.035); filter: drop-shadow(0 0 4px rgba(216,91,78,.48)); }
    56%, 78% { transform: translateY(-4px) scale(1.035); filter: drop-shadow(0 6px 8px rgba(216,91,78,.78)); }
}

.drop-feedback {
    position: absolute;
    z-index: 22;
    inset: 0;
    border: 4px solid transparent;
    pointer-events: none;
    transition: border-color .16s;
}

.drop-feedback.valid {
    border-color: rgba(210,160,77,.52);
}

.scene-caption {
    position: absolute;
    z-index: 34;
    left: calc(var(--caption-x, .5) * 100%);
    top: calc(var(--caption-y, .5) * 100%);
    width: min(280px, calc(100% - 32px));
    padding: 9px 12px;
    border: 1px solid rgba(226,214,187,.52);
    border-left: 3px solid var(--cyan);
    color: var(--paper-pale);
    background: rgba(8,10,8,.92);
    box-shadow: 0 10px 26px rgba(0,0,0,.5);
    font: .66rem/1.55 var(--mono);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, calc(-100% - 54px)) scale(.96);
    transition: opacity .16s, transform .16s;
}

.scene-caption::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -7px;
    width: 12px;
    height: 12px;
    border-right: 1px solid rgba(226,214,187,.52);
    border-bottom: 1px solid rgba(226,214,187,.52);
    background: rgba(8,10,8,.92);
    transform: translateX(-50%) rotate(45deg);
}

.scene-caption.visible {
    opacity: 1;
    transform: translate(-50%, calc(-100% - 58px)) scale(1);
}

.scene-caption.reaction {
    border-left-color: var(--red-bright);
}

.scene-caption.quiet {
    border-left-color: var(--dim);
    color: #c0b8a7;
}

.stage-status {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 8px 11px;
    color: #8d887b;
    background: #11130f;
    border-top: 1px solid var(--line);
    font: .58rem var(--mono);
}

.status-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 6px;
    border-radius: 50%;
    background: var(--red-bright);
    box-shadow: 0 0 8px var(--red-bright);
}

.mobile-quick-actions {
    display: none;
}

/* Dossier */
.dossier-panel {
    position: sticky;
    top: 90px;
    min-height: 620px;
    max-height: calc(100dvh - 108px);
    overflow: auto;
    color: var(--ink);
    background:
        linear-gradient(rgba(64,52,36,.045) 1px, transparent 1px),
        var(--paper);
    background-size: 100% 25px;
    border: 1px solid rgba(237,225,197,.3);
    box-shadow: var(--shadow);
}

.dossier-panel::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(47,39,29,.16);
    pointer-events: none;
}

.dossier-handle {
    display: none;
}

.dossier-handle span {
    display: block;
    width: 48px;
    height: 4px;
    margin: auto;
    border-radius: 2px;
    background: rgba(59,49,36,.32);
}

.dossier-empty {
    position: relative;
    z-index: 1;
    padding: 42px 36px;
}

.dossier-empty .eyebrow,
.person-dossier .eyebrow {
    color: #6b604c;
}

.dossier-empty h2 {
    margin: 14px 0 16px;
    font: 700 2.15rem var(--display);
}

.dossier-empty > p:not(.eyebrow) {
    color: #4d4638;
    font: .92rem/1.85 var(--display);
}

.brief-card {
    margin: 28px 0;
    padding: 17px;
    border: 1px solid rgba(58,48,35,.22);
    border-left: 5px solid var(--red);
    background: rgba(255,255,255,.16);
}

.brief-card span {
    display: block;
    margin-bottom: 6px;
    color: #786b54;
    font: .62rem var(--mono);
}

.brief-card strong {
    font: 700 .9rem/1.55 var(--display);
}

.control-legend {
    border-top: 1px solid rgba(58,48,35,.18);
}

.control-legend > div {
    display: flex;
    gap: 11px;
    align-items: center;
    padding: 9px 0;
    border-bottom: 1px solid rgba(58,48,35,.12);
    color: #5b5343;
    font-size: .72rem;
}

kbd {
    min-width: 42px;
    padding: 4px 6px;
    border: 1px solid #8f7e60;
    background: rgba(255,255,255,.16);
    color: #3b352a;
    font: 700 .6rem var(--mono);
    text-align: center;
    box-shadow: 0 2px 0 rgba(63,52,37,.25);
}

.person-dossier {
    position: relative;
    z-index: 1;
    padding: 30px;
}

.dossier-header {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr) auto;
    gap: 16px;
    align-items: center;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(53,44,32,.24);
}

.portrait-frame {
    width: 70px;
    height: 82px;
    display: grid;
    place-items: center;
    border: 6px solid #b4a482;
    color: var(--paper-pale);
    background: var(--ink-2);
    font-size: 2rem;
    box-shadow: 0 5px 13px rgba(45,34,20,.3);
    transform: rotate(-1deg);
}

.person-code {
    margin: 0;
    color: var(--red);
    font: 700 .62rem var(--mono);
    letter-spacing: .12em;
}

.dossier-header h2 {
    margin: 4px 0 2px;
    font: 700 1.8rem var(--display);
}

.dossier-header p:last-child {
    margin: 0;
    color: #71654f;
    font-size: .72rem;
}

.close-dossier {
    align-self: start;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(53,44,32,.25);
    color: #625845;
    background: transparent;
    cursor: pointer;
    font-size: 1.4rem;
}

.close-dossier:hover {
    color: var(--red);
    border-color: var(--red);
}

.person-observation {
    margin: 18px 0;
    color: #494235;
    font: .88rem/1.75 var(--display);
}

.dossier-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 18px;
}

.dossier-actions button {
    min-height: 44px;
    padding: 9px;
    border: 1px solid #8e7c5e;
    color: #514735;
    background: rgba(255,255,255,.12);
    cursor: pointer;
    font-size: .68rem;
}

.dossier-actions button:hover {
    color: var(--red);
    border-color: var(--red);
}

#markSuspectBtn[aria-pressed="true"] {
    color: #f2e6cd;
    background: var(--red);
    border-color: var(--red);
}

#accusePersonBtn {
    color: var(--red);
    border-color: var(--red);
}

.conversation-log {
    min-height: 132px;
    max-height: 240px;
    overflow: auto;
    padding: 12px;
    border: 1px solid rgba(53,44,32,.2);
    background: rgba(250,242,220,.25);
}

.conversation-placeholder {
    color: #796f5d;
    font-size: .74rem;
}

.exchange {
    margin-bottom: 13px;
    padding-bottom: 12px;
    border-bottom: 1px dashed rgba(53,44,32,.22);
}

.exchange:last-child {
    margin-bottom: 0;
}

.exchange .question {
    margin: 0 0 6px;
    color: var(--red);
    font: 700 .7rem/1.5 var(--mono);
}

.exchange .answer {
    margin: 0;
    color: #353027;
    font: .82rem/1.65 var(--display);
}

.exchange .filed {
    display: inline-block;
    margin-top: 6px;
    color: #6d7d64;
    font: .56rem var(--mono);
}

.question-section {
    margin-top: 18px;
}

.panel-section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.panel-section-title h3 {
    margin: 0;
    font: 700 .95rem var(--display);
}

.panel-section-title span {
    color: #766b55;
    font: .58rem var(--mono);
}

.question-list {
    display: grid;
    gap: 7px;
}

.question-button {
    min-height: 47px;
    padding: 10px 11px;
    border: 1px solid rgba(53,44,32,.22);
    color: #40392e;
    background: rgba(255,255,255,.13);
    cursor: pointer;
    text-align: left;
    font-size: .74rem;
}

.question-button:hover:not(:disabled) {
    border-color: var(--red);
    background: rgba(170,62,53,.08);
}

.question-button:disabled {
    color: #867b67;
    cursor: default;
    opacity: .68;
}

.question-button.asked::after {
    content: "  / 已询问";
    color: var(--red);
    font: .55rem var(--mono);
}

.question-button.locked {
    position: relative;
    padding-left: 34px;
}

.question-button.locked::before {
    content: "锁";
    position: absolute;
    left: 10px;
    top: 50%;
    color: #786b55;
    font: 700 .52rem var(--mono);
    transform: translateY(-50%);
}

.question-button .question-lock-reason {
    display: block;
    margin-top: 4px;
    color: #8d7d60;
    font: .52rem/1.35 var(--mono);
}

/* Evidence */
.evidence-section {
    margin-top: 18px;
    padding: 16px;
    border: 1px solid var(--line);
    background: #151713;
}

.evidence-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 18px;
    margin-bottom: 12px;
}

.synthesis-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.synthesis-controls span {
    color: var(--muted);
    font-size: .68rem;
}

.synthesis-controls button {
    min-height: 40px;
    padding: 8px 14px;
    border: 1px solid var(--amber);
    color: var(--amber);
    background: transparent;
    cursor: pointer;
    font-size: .7rem;
}

.synthesis-controls button:hover:not(:disabled) {
    color: var(--ink);
    background: var(--amber);
}

.synthesis-controls button:disabled {
    opacity: .3;
    cursor: not-allowed;
}

.evidence-list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(220px, 270px);
    gap: 9px;
    overflow-x: auto;
    padding: 3px 2px 10px;
    scroll-snap-type: x proximity;
}

.evidence-empty {
    grid-column: 1 / -1;
    margin: 0;
    padding: 24px;
    border: 1px dashed #3b3f36;
    color: #7b766b;
    font-size: .72rem;
    text-align: center;
}

.evidence-card {
    position: relative;
    min-height: 132px;
    padding: 14px;
    border: 1px solid #3b3f36;
    color: #c9c1af;
    background:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        #1b1e19;
    background-size: 100% 20px;
    cursor: pointer;
    text-align: left;
    scroll-snap-align: start;
    transition: opacity .18s, border-color .18s, transform .18s, filter .18s;
}

.evidence-card::before {
    content: "";
    position: absolute;
    left: 10px;
    top: -4px;
    width: 54px;
    height: 10px;
    background: rgba(213,196,157,.3);
    transform: rotate(-2deg);
}

.evidence-card:hover {
    border-color: #696656;
}

.evidence-card.selected {
    border-color: var(--amber);
    box-shadow: inset 3px 0 var(--amber), 0 0 18px rgba(210,160,77,.12);
}

.evidence-card.compatible:not(.selected) {
    border-color: rgba(132,170,173,.7);
    box-shadow: inset 0 0 0 1px rgba(132,170,173,.15);
}

.evidence-card.dimmed:not(.selected) {
    opacity: .42;
    filter: saturate(.55);
}

.evidence-card.conclusion {
    border-color: rgba(170,62,53,.65);
    background: #261b18;
    cursor: default;
}

.evidence-card.conclusion.exonerating {
    border-color: rgba(112,145,112,.72);
    background: #172019;
    box-shadow: inset 3px 0 rgba(112,145,112,.55);
}

.evidence-card.conclusion.exonerating .evidence-kind {
    color: #8fb58e;
}

.evidence-card.conclusion.suspicious {
    border-color: rgba(210,160,77,.68);
    background: #241f16;
    box-shadow: inset 3px 0 rgba(210,160,77,.5);
}

.evidence-card.conclusion.suspicious .evidence-kind {
    color: #e2b568;
}

.evidence-thumb {
    position: relative;
    display: grid;
    place-items: center;
    width: 68px;
    height: 52px;
    margin: 6px 0 10px;
    overflow: hidden;
    border: 1px solid #4b4d43;
    color: var(--paper-pale);
    background-color: #0c0e0b;
    background-image: url("assets/elevator-investigation-board.png");
    background-repeat: no-repeat;
    background-size: 480%;
    filter: saturate(.62) contrast(1.12);
    font: 1.4rem var(--display);
}

.evidence-thumb.person {
    background-image:
        linear-gradient(135deg, rgba(132,170,173,.15), transparent 55%),
        repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 5px),
        #11140f;
}

.evidence-thumb.deduction {
    color: var(--red-bright);
    background-image:
        linear-gradient(135deg, rgba(170,62,53,.2), transparent 60%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 7px),
        #1d1513;
}

.evidence-thumb.deduction.exonerating {
    color: #91b990;
    background-image:
        linear-gradient(135deg, rgba(104,145,106,.22), transparent 60%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 7px),
        #142018;
}

.evidence-thumb.deduction.suspicious {
    color: #e2b568;
    background-image:
        linear-gradient(135deg, rgba(210,160,77,.22), transparent 60%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 7px),
        #211c13;
}

.evidence-anomaly {
    position: absolute;
    z-index: 1;
    inset: -4px;
    width: calc(100% + 8px);
    height: calc(100% + 8px);
    object-fit: cover;
    mix-blend-mode: screen;
    filter: saturate(1.18) contrast(1.08);
}

.evidence-thumb::after {
    content: "EVIDENCE";
    position: absolute;
    right: 3px;
    bottom: 2px;
    color: rgba(238,229,208,.72);
    font: .38rem var(--mono);
    letter-spacing: .08em;
}

.evidence-kind {
    color: var(--amber);
    font: .55rem var(--mono);
    letter-spacing: .08em;
}

.evidence-card h3 {
    margin: 9px 0 7px;
    color: var(--paper-pale);
    font: 700 .88rem/1.4 var(--display);
}

.evidence-card p {
    margin: 0;
    color: #9f9888;
    font-size: .66rem;
    line-height: 1.55;
}

.evidence-card .evidence-story-link {
    margin-top: 8px;
    padding: 6px 7px;
    color: #9bb9b8;
    border-left: 2px solid rgba(132,170,173,.48);
    background: rgba(132,170,173,.055);
    font: .58rem/1.5 var(--mono);
}

.evidence-source {
    display: block;
    margin-top: 10px;
    color: #706c61;
    font: .52rem var(--mono);
}

/* Feedback and dialogs */
.toast {
    position: fixed;
    z-index: 150;
    left: 50%;
    bottom: max(22px, env(safe-area-inset-bottom));
    max-width: min(500px, calc(100vw - 28px));
    padding: 11px 16px;
    border-left: 4px solid var(--amber);
    color: var(--paper-pale);
    background: rgba(17,19,15,.94);
    box-shadow: 0 12px 34px rgba(0,0,0,.46);
    font-size: .76rem;
    line-height: 1.55;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 16px);
    transition: opacity .18s, transform .18s;
}

.toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

.shutter {
    position: fixed;
    z-index: 140;
    inset: 0;
    pointer-events: none;
    background: #eee5d0;
    opacity: 0;
}

.shutter.flash {
    animation: shutter .22s ease-out;
}

@keyframes shutter {
    0% { opacity: 0; }
    28% { opacity: .72; }
    100% { opacity: 0; }
}

.modal-backdrop {
    position: fixed;
    z-index: 200;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 18px;
    background: rgba(6,7,6,.88);
    backdrop-filter: blur(12px);
}

.confirm-card,
.result-card {
    position: relative;
    width: min(560px, 100%);
    max-height: calc(100dvh - 36px);
    overflow: auto;
    padding: clamp(28px, 5vw, 46px);
    color: var(--ink);
    background:
        linear-gradient(rgba(60,48,33,.045) 1px, transparent 1px),
        var(--paper);
    background-size: 100% 25px;
    box-shadow: 0 30px 100px #000;
}

.confirm-card::before,
.result-card::before {
    content: "";
    position: absolute;
    inset: 9px;
    border: 1px solid rgba(50,41,29,.2);
    pointer-events: none;
}

.confirm-card .eyebrow,
.result-card .eyebrow {
    color: #6b604c;
}

.confirm-card h2,
.result-card h2 {
    margin: 14px 0;
    font: 700 2rem var(--display);
}

.confirm-card > p:not(.eyebrow),
.result-card > p:not(.eyebrow) {
    color: #4c4538;
    line-height: 1.7;
}

.confirm-readiness,
.result-clue {
    margin: 18px 0;
    padding: 14px;
    border: 1px solid rgba(53,44,32,.2);
    border-left: 4px solid var(--red);
    background: rgba(255,255,255,.14);
    color: #443d31;
    font-size: .76rem;
    line-height: 1.6;
}

.accusation-proof {
    margin: 18px 0;
    padding-top: 15px;
    border-top: 1px solid rgba(53,44,32,.2);
    text-align: left;
}

.proof-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 9px;
}

.proof-heading h3 {
    margin: 0;
    font: 700 .92rem var(--display);
}

.proof-heading span,
.proof-note {
    color: #776b55;
    font: .56rem/1.5 var(--mono);
}

.proof-list {
    display: grid;
    gap: 7px;
}

.proof-option {
    position: relative;
    min-height: 48px;
    padding: 9px 11px 9px 34px;
    border: 1px solid rgba(53,44,32,.26);
    color: #433b30;
    background: rgba(255,255,255,.12);
    cursor: pointer;
    text-align: left;
    font-size: .7rem;
}

.proof-option::before {
    content: "○";
    position: absolute;
    left: 12px;
    top: 50%;
    color: #89795f;
    transform: translateY(-50%);
}

.proof-option.selected {
    border-color: var(--red);
    background: rgba(170,62,53,.08);
}

.proof-option.selected::before {
    content: "●";
    color: var(--red);
}

.proof-note {
    min-height: 1.5em;
    margin: 9px 0 0;
}

.proof-note.risky {
    color: var(--red);
}

.modal-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
}

.modal-actions button {
    min-height: 48px;
    border: 1px solid #8a795d;
    color: #4b4233;
    background: transparent;
    cursor: pointer;
}

.modal-actions .danger-btn {
    color: #f1e4cd;
    background: var(--red);
    border-color: var(--red);
}

.modal-actions .danger-btn.risky {
    background: #774238;
    border-color: #774238;
}

.result-card {
    text-align: center;
}

.result-rank {
    width: 86px;
    height: 86px;
    margin: 0 auto 18px;
    display: grid;
    place-items: center;
    border: 4px double var(--red);
    color: var(--red);
    font: 800 2.9rem var(--display);
    transform: rotate(-5deg);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 18px 0;
}

.result-grid > div {
    padding: 11px 8px;
    border: 1px solid rgba(53,44,32,.18);
    background: rgba(255,255,255,.14);
    color: #665b47;
    font-size: .66rem;
}

.result-grid strong {
    display: block;
    margin-top: 5px;
    color: var(--ink);
    font: 700 .95rem var(--mono);
}

.result-card .primary-btn {
    width: 100%;
}

@media (min-width: 901px) and (min-height: 521px) {
    .stage-heading,
    .stage-frame {
        width: min(100%, calc(100dvh - 230px));
        margin-inline: auto;
    }
}

@media (max-width: 1120px) {
    .workspace {
        grid-template-columns: minmax(0, 1fr) 350px;
    }

    .resource-strip > div {
        min-width: 62px;
        padding-inline: 8px;
    }

    .objective-ribbon {
        grid-template-columns: auto 100px 1fr;
        gap: 11px;
    }
}

@media (max-width: 900px) {
    .start-screen {
        grid-template-columns: 1fr;
    }

    .start-visual {
        min-height: 44vh;
        height: 44vh;
    }

    .start-visual::before {
        background: linear-gradient(0deg, var(--paper) 0%, transparent 38%);
    }

    .start-dossier {
        padding: 34px 24px 46px;
    }

    .start-dossier h1 {
        font-size: clamp(3.5rem, 13vw, 5.8rem);
    }

    .topbar {
        position: relative;
        align-items: flex-start;
    }

    .resource-strip {
        grid-auto-flow: row;
        grid-template-columns: repeat(5, 1fr);
    }

    .resource-strip > div {
        min-width: 0;
        border-left: 1px solid var(--line);
    }

    .workspace {
        display: block;
    }

    .dossier-panel {
        position: fixed;
        z-index: 80;
        left: 10px;
        right: 10px;
        bottom: max(68px, env(safe-area-inset-bottom));
        top: auto;
        min-height: 0;
        height: var(--drawer-height, 52dvh);
        max-height: 88dvh;
        overflow: auto;
        border-color: rgba(237,225,197,.48);
        transform: translateY(calc(100% + 90px));
        transition: transform .25s ease, height .2s ease;
    }

    .dossier-panel.open {
        transform: translateY(0);
    }

    .dossier-panel.dragging {
        transition: none;
    }

    .dossier-handle {
        position: sticky;
        z-index: 5;
        top: 0;
        display: block;
        width: 100%;
        height: 24px;
        padding: 8px 0;
        border: 0;
        background: linear-gradient(var(--paper) 72%, transparent);
        cursor: ns-resize;
        touch-action: none;
    }

    .dossier-empty {
        display: none;
    }

    .person-dossier {
        padding: 18px 22px 24px;
    }

    .conversation-log {
        max-height: 180px;
    }

    .mobile-quick-actions {
        position: sticky;
        z-index: 60;
        bottom: max(8px, env(safe-area-inset-bottom));
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1px;
        margin-top: 8px;
        padding: 1px;
        border: 1px solid var(--line);
        background: var(--line);
        box-shadow: 0 14px 35px rgba(0,0,0,.5);
    }

    .mobile-quick-actions button {
        min-height: 48px;
        border: 0;
        color: #b3ab99;
        background: #191b17;
        font-size: .68rem;
    }

    .mobile-quick-actions button.active {
        color: var(--ink);
        background: var(--paper);
    }

    .mobile-quick-actions button.record-ready {
        color: var(--ink);
        background: var(--amber);
        box-shadow: inset 0 0 0 2px rgba(17, 18, 15, .25);
    }

    .evidence-section {
        scroll-margin-top: 10px;
    }
}

@media (max-width: 680px) {
    .topbar {
        display: block;
        min-height: 0;
        padding: 10px;
    }

    .case-identity {
        margin-bottom: 7px;
    }

    .case-code {
        font-size: .52rem;
    }

    .case-identity h1 {
        font-size: 1.12rem;
    }

    .case-identity p {
        display: none;
    }

    .resource-strip {
        width: 100%;
    }

    .resource-strip > div {
        padding: 5px 4px;
    }

    .resource-strip span {
        font-size: .5rem;
    }

    .resource-strip strong {
        font-size: .78rem;
    }

    .game-shell {
        padding: 9px 8px 90px;
    }

    .objective-ribbon {
        grid-template-columns: 1fr auto;
        gap: 8px;
        margin-bottom: 7px;
        padding: 8px 10px;
    }

    .objective-toggle {
        display: block;
        min-height: 32px;
        padding: 5px 9px;
        border: 1px solid #3c4037;
        color: #a9a190;
        background: #151713;
        font: .56rem var(--mono);
    }

    .readiness-track {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .objective-list {
        display: none;
        grid-column: 1 / -1;
        grid-row: 3;
        justify-content: flex-start;
    }

    .objective-ribbon.expanded .objective-list {
        display: flex;
    }

    .objective-chip {
        flex: 1 1 calc(50% - 4px);
        text-align: center;
    }

    .stage-heading {
        align-items: flex-start;
        min-height: 38px;
        margin-bottom: 4px;
    }

    .stage-heading .eyebrow {
        font-size: .54rem;
    }

    .stage-heading h2 {
        font-size: 1.05rem;
    }

    .stage-heading > p {
        max-width: 150px;
        font-size: .62rem;
    }

    .stage-toolbar {
        display: none;
    }

    .tool-btn {
        min-width: max-content;
        padding: 6px 9px;
    }

    .tool-btn.quiet {
        margin-left: 0;
    }

    .person-marker {
        width: 54px;
        height: 67px;
    }

    .person-marker .marker-frame {
        width: 46px;
        height: 46px;
        font-size: 1.2rem;
    }

    .person-marker .marker-name {
        max-width: 82px;
        font-size: .5rem;
    }

    .person-marker:not(.selected) .marker-person-name {
        display: none;
    }

    .person-marker:not(.selected) .marker-name {
        min-width: 38px;
        text-align: center;
    }

    .marker-ground {
        top: 43px;
        height: 23px;
    }

    .magnifier-lens {
        --lens-size: 132px;
        border-width: 4px;
    }

    .lens-lock {
        inset: 14px;
    }

    .lens-target-code {
        left: 15px;
        top: 10px;
        font-size: .4rem;
    }

    .lens-signal-track {
        left: 15px;
        bottom: 11px;
        width: 42px;
    }

    .lens-readout {
        right: 13px;
        bottom: 9px;
        font-size: .46rem;
    }

    .scan-feedback {
        bottom: 8px;
        width: calc(100% - 16px);
        padding: 7px 9px 6px;
        font-size: .67rem;
        line-height: 1.38;
    }

    .scan-feedback.at-top {
        top: 8px;
        bottom: auto;
    }

    .scan-feedback-heading {
        gap: 6px;
    }

    .scan-feedback-heading strong {
        font-size: .72rem;
        line-height: 1.25;
        white-space: normal;
    }

    .scan-feedback p {
        margin-top: 3px;
    }

    .scan-action {
        margin-top: 4px;
    }

    .stage-status {
        gap: 6px;
        font-size: .49rem;
    }

    .stage-status span:last-child {
        display: none;
    }

    .evidence-heading {
        display: block;
    }

    .synthesis-controls {
        justify-content: space-between;
        margin-top: 10px;
    }

    .synthesis-controls span {
        max-width: 145px;
    }

    .evidence-list {
        grid-auto-columns: minmax(205px, 78vw);
    }

    .dossier-header {
        grid-template-columns: 60px 1fr auto;
        gap: 10px;
    }

    .portrait-frame {
        width: 58px;
        height: 68px;
    }

    .dossier-header h2 {
        font-size: 1.45rem;
    }

    .modal-actions,
    .result-grid {
        grid-template-columns: 1fr;
    }

    .proof-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 3px;
    }
}

@media (max-width: 390px) {
    .interaction-list > div {
        grid-template-columns: 96px 1fr;
    }

    .start-dossier {
        padding-inline: 19px;
    }

    .stage-heading > p {
        display: none;
    }

    .tool-btn span:last-child {
        font-size: .62rem;
    }
}

@media (max-height: 520px) and (orientation: landscape) {
    .topbar {
        position: relative;
        min-height: 52px;
        padding-block: 5px;
    }

    .case-identity p {
        display: none;
    }

    .game-shell {
        padding-top: 7px;
    }

    .objective-ribbon {
        display: none;
    }

    .workspace {
        display: grid;
        grid-template-columns: minmax(0, 60vw) minmax(280px, 1fr);
    }

    .stage-heading,
    .stage-frame {
        width: min(100%, calc(100dvh - 140px));
        margin-inline: auto;
    }

    .stage-heading {
        display: none;
    }

    .stage-toolbar {
        display: flex;
        justify-content: center;
        padding-block: 5px;
    }

    .stage-toolbar .tool-btn {
        min-height: 36px;
        padding: 5px 12px;
    }

    .stage-toolbar .tool-btn span:first-child {
        margin-right: 0;
    }

    .stage-toolbar .tool-btn span:last-child {
        display: none;
    }

    .dossier-panel {
        position: relative;
        inset: auto;
        max-height: none;
        transform: none;
    }

    .dossier-empty {
        display: block;
        padding: 22px;
    }

    .dossier-handle,
    .mobile-quick-actions {
        display: none;
    }
}

@media (max-width: 700px) and (max-height: 520px) and (orientation: landscape) {
    .workspace {
        display: block;
    }

    .stage-section {
        margin-bottom: 12px;
    }

    .dossier-panel {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }

    .magnifier-lens .lens-anomaly-image {
        animation: none !important;
        transform: none;
    }

    .magnifier-lens .lens-sweep {
        display: none;
    }

    .magnifier-lens.has-target .lens-lock {
        opacity: .9;
        animation: none !important;
    }
}