:root {
  color-scheme: light;
  --paper: #f4f1e9;
  --surface: #fffdf7;
  --surface-muted: #e9ebe6;
  --surface-sunken: #e1e4df;
  --ink: #20272b;
  --ink-2: #566166;
  --ink-3: #788286;
  --line: rgba(32, 39, 43, .15);
  --line-strong: rgba(32, 39, 43, .3);
  --evidence: #58727a;
  --evidence-soft: #d8e2e1;
  --accent: #d75b32;
  --accent-strong: #b84423;
  --accent-soft: #f4d8cb;
  --danger: #ad3d2c;
  --success: #3f6c5c;
  --verdict-bg: #20272b;
  --verdict-text: #f4f1e9;
  --verdict-muted: rgba(244, 241, 233, .68);
  --verdict-line: rgba(244, 241, 233, .18);
  --verdict-fill: rgba(244, 241, 233, .045);
  --shadow-sm: 0 1px 2px rgba(30,36,38,.05), 0 4px 12px rgba(30,36,38,.04);
  --shadow-lg: 0 18px 38px rgba(30,36,38,.10), 0 5px 12px rgba(30,36,38,.06);
  --radius-input: 6px;
  --radius-panel: 12px;
  --radius-large: 18px;
  --font-display: "Arial Narrow", "Avenir Next Condensed", "Roboto Condensed", sans-serif;
  --font-body: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-data: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.2,.8,.2,1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --paper: #11191b;
  --surface: #192326;
  --surface-muted: #202d30;
  --surface-sunken: #0d1416;
  --ink: #edf0e9;
  --ink-2: #b1bcba;
  --ink-3: #84918f;
  --line: rgba(235,240,235,.12);
  --line-strong: rgba(235,240,235,.26);
  --evidence: #8ca7ad;
  --evidence-soft: #24383b;
  --accent: #db714e;
  --accent-strong: #ec8c6d;
  --accent-soft: #3d2924;
  --danger: #ee826f;
  --success: #83b7a4;
  --verdict-bg: #1a2528;
  --verdict-text: #f2f3ed;
  --verdict-muted: rgba(242, 243, 237, .7);
  --verdict-line: rgba(242, 243, 237, .2);
  --verdict-fill: rgba(242, 243, 237, .055);
  --shadow-sm: inset 0 1px rgba(255,255,255,.04);
  --shadow-lg: inset 0 1px rgba(255,255,255,.07), 0 18px 38px rgba(0,0,0,.2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
h1, h2, #lab { scroll-margin-top: 84px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); line-height: 1.5; transition: background-color 240ms var(--ease), color 140ms var(--ease); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
button, input { font: inherit; }
button, a, input { -webkit-tap-highlight-color: transparent; }
button, a, input[type="range"], .control-row { touch-action: manipulation; }
button { color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent), transparent 28%); outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 6px; }
.skip-link:focus { top: 16px; }
.topbar { height: 72px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(20px, 4vw, 64px); border-bottom: 1px solid var(--line); position: relative; z-index: 5; }
.brand { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 12px; }
.brand > span:last-child { display: grid; line-height: 1.2; }
.brand strong { font-family: var(--font-display); font-size: 18px; letter-spacing: .045em; }
.brand small { font-family: var(--font-data); color: var(--ink-3); font-size: 9px; letter-spacing: .09em; text-transform: uppercase; }
.brand-mark { width: 34px; height: 24px; border: 1.5px solid var(--ink); border-radius: 70% 20%; transform: rotate(45deg); transform-origin: center; display: grid; place-items: center; animation: logoBlink 4.6s ease-in-out both; }
.brand-mark span { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.brand:hover .brand-mark, .brand:focus-visible .brand-mark { animation-play-state: paused; }
.top-actions { display: flex; align-items: center; gap: 14px; }
.sim-label { font-family: var(--font-data); font-size: 11px; color: var(--ink-2); display: flex; align-items: center; gap: 7px; }
.sim-label b, .legend b { font: inherit; font-weight: inherit; }
.sim-label i { width: 7px; height: 7px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 4px var(--accent-soft); }
.perspective-button { min-width: 122px; height: 44px; padding: 0 13px 0 10px; display: flex; align-items: center; justify-content: center; gap: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; color: var(--ink); cursor: pointer; box-shadow: var(--shadow-sm); transition: transform 140ms var(--ease), border-color 140ms var(--ease), background-color 140ms var(--ease); }
.perspective-icon { width: 20px; height: 20px; display: grid; place-items: center; }
.perspective-icon svg { grid-area: 1 / 1; width: 20px; fill: none; stroke: currentColor; stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; opacity: 0; transform: scale(.3); filter: blur(2px); transition: opacity 140ms var(--ease), transform 140ms var(--ease), filter 140ms var(--ease); }
.perspective-icon .student-icon { opacity: 1; transform: scale(1); filter: none; }
html[data-theme="dark"] .perspective-icon .student-icon { opacity: 0; transform: scale(.3); filter: blur(2px); }
html[data-theme="dark"] .perspective-icon .school-icon { opacity: 1; transform: scale(1); filter: none; }
.perspective-label { font: 600 10px/1 var(--font-data); white-space: nowrap; }
.language-button { width: 48px; height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--ink); cursor: pointer; display: grid; place-items: center; position: relative; transition: color 140ms var(--ease), border-color 140ms var(--ease), background-color 140ms var(--ease), transform 140ms var(--ease); }
.language-button svg { width: 21px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; transition: transform 200ms var(--ease); }
.language-indicator { position: absolute; right: -4px; bottom: -3px; min-width: 19px; height: 15px; padding: 0 3px; display: grid; place-items: center; border-radius: 5px; background: var(--ink); color: var(--paper); border: 2px solid var(--paper); font: 700 7px/1 var(--font-data); letter-spacing: .02em; }
.language-button:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.perspective-button:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateY(-1px); }
.perspective-button:active { transform: scale(.98); }
main { max-width: 1600px; margin: 0 auto; }
.intro { min-height: min(800px, calc(100svh - 72px)); padding: clamp(34px, 5vw, 72px) clamp(20px, 4vw, 64px) clamp(44px, 6vw, 80px); display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(390px, .94fr); gap: clamp(36px, 6vw, 88px); align-items: center; position: relative; overflow: clip; }
.intro::before { content: ""; position: absolute; inset: 8% auto auto 52%; width: 1px; height: 82%; background: linear-gradient(transparent, var(--line-strong) 20%, var(--line-strong) 80%, transparent); pointer-events: none; }
.intro-statement { min-width: 0; position: relative; z-index: 1; }
.kicker, .step { color: var(--accent); font-family: var(--font-data); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
[data-lang="zh"] .kicker, [data-lang="zh"] .step, [data-lang="zh"] .stage-topline { letter-spacing: 0; text-transform: none; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: -.08em; padding-bottom: .08em; font-family: var(--font-display); font-size: clamp(48px, 6.3vw, 92px); line-height: .94; letter-spacing: -.045em; font-weight: 700; text-wrap: balance; }
h1 em { color: var(--evidence); font-style: normal; }
.intro h1 { animation: titleReveal 850ms var(--ease) both; transform-origin: 0 100%; }
.intro .kicker { animation: quietReveal 480ms 80ms var(--ease) both; }
.intro-copy { animation: quietReveal 600ms 220ms var(--ease) both; margin-top: clamp(28px, 4vw, 48px); padding-left: clamp(18px, 3vw, 42px); border-left: 1px solid var(--line-strong); display: grid; grid-template-columns: minmax(220px, 42ch) auto; align-items: end; gap: 24px; }
.intro-copy p { margin-bottom: 0; font-size: 16px; color: var(--ink-2); max-width: 42ch; }
.text-link { color: var(--ink); font-weight: 600; text-decoration: none; display: inline-flex; gap: 10px; align-items: center; border-bottom: 1px solid var(--ink); padding-bottom: 4px; }

.surveillance-console { min-width: 0; border: 1px solid color-mix(in srgb, var(--evidence), transparent 35%); background: #101719; color: #e9eeea; box-shadow: 0 28px 64px rgba(16,23,25,.24), 0 2px 8px rgba(16,23,25,.16); border-radius: 4px 22px 4px 4px; overflow: hidden; transform: perspective(1200px) rotateY(-2deg); transform-origin: right center; animation: consoleReveal 600ms 180ms var(--ease) both; }
.console-header, .console-footer { min-height: 46px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; gap: 14px; font: 9px/1 var(--font-data); letter-spacing: .08em; color: rgba(233,238,234,.58); }
.console-header { border-bottom: 1px solid rgba(233,238,234,.12); }
.console-footer { min-height: 58px; border-top: 1px solid rgba(233,238,234,.12); }
.live-signal { display: flex; align-items: center; gap: 7px; text-transform: uppercase; }
.live-signal b { font: inherit; }
.live-signal i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(215,91,50,.16); }
.surveillance-view { height: clamp(360px, 42vw, 500px); position: relative; overflow: hidden; isolation: isolate; background: linear-gradient(rgba(126,158,164,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(126,158,164,.055) 1px, transparent 1px), #111b1e; background-size: 28px 28px; }
.surveillance-view::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 42%, transparent 34%, rgba(4,9,10,.72) 98%); z-index: 5; pointer-events: none; }
.surveillance-view::after { content: ""; position: absolute; inset: 0; opacity: .12; z-index: 12; pointer-events: none; background: repeating-linear-gradient(0deg, rgba(255,255,255,.07) 0 1px, transparent 1px 4px); }
.camera-aperture { position: absolute; left: 16px; top: 15px; width: 32px; height: 32px; border: 1px solid rgba(233,238,234,.3); border-radius: 50%; z-index: 15; display: grid; place-items: center; }
.camera-aperture::before, .camera-aperture::after, .camera-aperture span { content: ""; width: 12px; height: 12px; border: 1px solid var(--accent); border-radius: 50%; grid-area: 1 / 1; }
.camera-aperture::after { width: 22px; height: 22px; border-style: dashed; }
.surveillance-on .camera-aperture::after { animation: apertureSpin 4.8s linear infinite; }
.camera-aperture span { width: 5px; height: 5px; background: var(--accent); border: 0; }
.student-figure { position: absolute; left: 50%; bottom: -1px; height: 93%; width: 78%; transform: translateX(-50%); z-index: 2; overflow: visible; }
.student-figure path { vector-effect: non-scaling-stroke; }
.desk-line, .student-face, .paper { fill: none; stroke: rgba(211,226,224,.38); stroke-width: 1.4; }
.student-body { fill: #27383c; stroke: rgba(211,226,224,.22); stroke-width: 1.2; }
.student-neck, .student-head { fill: #6f8588; stroke: rgba(233,238,234,.45); stroke-width: 1.2; }
.student-hair { fill: #29383b; }
.scan-beam { position: absolute; inset: -35% 0 auto; height: 34%; z-index: 9; opacity: 0; background: linear-gradient(transparent, rgba(215,91,50,.18) 86%, rgba(231,117,80,.86)); transform: translateY(0); }
.surveillance-on .scan-beam { opacity: 1; animation: heroScan 4.2s linear infinite; }
.tracking-reticle { position: absolute; left: 50%; top: 39%; width: 138px; height: 166px; transform: translate(-50%, -50%); z-index: 11; border: 1px solid rgba(231,117,80,.72); transition: opacity 120ms var(--ease), transform 200ms var(--ease); }
.tracking-reticle::before, .tracking-reticle::after { content: ""; position: absolute; width: 18px; height: 18px; border-color: var(--accent); }
.tracking-reticle::before { left: -3px; top: -3px; border-left: 3px solid var(--accent); border-top: 3px solid var(--accent); }
.tracking-reticle::after { right: -3px; bottom: -3px; border-right: 3px solid var(--accent); border-bottom: 3px solid var(--accent); }
.tracking-reticle i { position: absolute; left: 50%; top: 50%; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: -27px -24px 0 -1px rgba(231,117,80,.8), 27px -24px 0 -1px rgba(231,117,80,.8), -19px 15px 0 -1px rgba(231,117,80,.8), 19px 15px 0 -1px rgba(231,117,80,.8); }
.tracking-reticle span { position: absolute; left: -1px; bottom: -22px; padding: 4px 6px; background: var(--accent); color: #101719; font: 700 8px/1 var(--font-data); }
.gaze-vector { position: absolute; left: 50%; top: 35%; width: 116px; height: 1px; background: var(--accent); transform: rotate(-12deg); transform-origin: 0 50%; z-index: 10; opacity: .72; }
.gaze-vector::after { content: ""; position: absolute; right: -1px; top: -3px; width: 6px; height: 6px; border-top: 1px solid var(--accent); border-right: 1px solid var(--accent); transform: rotate(45deg); }
.privacy-strips { position: absolute; inset: 0; z-index: 7; pointer-events: none; }
.privacy-strips i { position: absolute; left: 0; right: 0; height: 7%; background: rgba(7,12,14,.88); transform: scaleX(0); transform-origin: right; transition: transform 280ms var(--ease); }
.privacy-strips i:nth-child(1) { top: 15%; }.privacy-strips i:nth-child(2) { top: 31%; transition-delay: 35ms; }.privacy-strips i:nth-child(3) { top: 52%; transition-delay: 70ms; }.privacy-strips i:nth-child(4) { top: 70%; transition-delay: 105ms; }.privacy-strips i:nth-child(5) { top: 88%; transition-delay: 140ms; }
.surveillance-on .privacy-strips i { transform: scaleX(var(--privacy-loss, .51)); }
.vision-tag { position: absolute; z-index: 10; color: rgba(233,238,234,.66); font: 8px/1 var(--font-data); letter-spacing: .04em; padding: 4px 6px; border-left: 1px solid var(--accent); background: rgba(11,17,19,.7); transition: opacity 120ms var(--ease); }
.tag-face { left: 7%; top: 24%; }.tag-gaze { right: 6%; top: 43%; }.tag-room { right: 6%; bottom: 18%; }
.restriction-axis { position: absolute; right: 12px; top: 50%; z-index: 10; color: rgba(233,238,234,.42); font: 8px/1 var(--font-data); letter-spacing: .08em; text-transform: uppercase; writing-mode: vertical-rl; transform: translateY(-50%); }
.view-prompt { position: absolute; left: 16px; bottom: 14px; z-index: 15; color: rgba(233,238,234,.58); font: 8px/1.4 var(--font-data); letter-spacing: .04em; }
.camera-toggle { min-height: 38px; border: 1px solid rgba(233,238,234,.2); border-radius: 5px; background: rgba(233,238,234,.055); color: #edf0e9; padding: 0 10px; display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 10px; transition: background-color 120ms var(--ease), border-color 120ms var(--ease), transform 120ms var(--ease); }
.camera-toggle svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.camera-toggle[aria-pressed="true"] { border-color: rgba(231,117,80,.7); color: #f19a7d; }
.camera-toggle:active { transform: scale(.98); }
.hero-privacy { display: grid; justify-items: end; gap: 3px; }
.hero-privacy span { color: rgba(233,238,234,.5); text-transform: uppercase; }
.hero-privacy strong { color: #edf0e9; font: 700 17px/1 var(--font-data); font-variant-numeric: tabular-nums; }
.surveillance-console:not(.surveillance-on) .tracking-reticle, .surveillance-console:not(.surveillance-on) .gaze-vector, .surveillance-console:not(.surveillance-on) .vision-tag, .surveillance-console:not(.surveillance-on) .restriction-axis { opacity: 0; }
.surveillance-console:not(.surveillance-on) .student-head, .surveillance-console:not(.surveillance-on) .student-neck { fill: #87999b; }

.lab-shell { margin: 0 clamp(12px, 2vw, 32px); border: 1px solid var(--line-strong); border-radius: var(--radius-large); display: grid; grid-template-columns: minmax(270px, .85fr) minmax(390px, 1.55fr) minmax(280px, .9fr); overflow: hidden; background: var(--surface); box-shadow: var(--shadow-lg); min-height: 700px; }
.control-panel, .evidence-panel { padding: 24px; }
.control-panel { border-right: 1px solid var(--line); }
.evidence-panel { border-left: 1px solid var(--line); }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.section-heading h2 { margin: 4px 0 0; font-family: var(--font-display); font-size: 23px; line-height: 1.1; letter-spacing: -.02em; }
.text-button { border: 0; background: transparent; color: var(--ink-2); padding: 8px; margin: -8px; cursor: pointer; min-height: 44px; }
.text-button:hover { color: var(--accent); }
.control-list { border-top: 1px solid var(--line); }
.control-row { min-height: 74px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 10px; cursor: pointer; position: relative; }
.control-row > span:nth-child(2) { display: grid; }
.control-row > span:nth-child(2), .control-row strong, .control-row small { min-width: 0; overflow-wrap: anywhere; }
.control-row strong { font-size: 14px; font-weight: 600; }
.control-row small { color: var(--ink-3); font-size: 11px; }
.control-icon { width: 34px; height: 34px; display: grid; place-items: center; background: var(--surface-muted); border-radius: 8px; color: var(--evidence); }
.control-icon svg, .primary-button svg, .evidence-note svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.switch-input { position: absolute; opacity: 0; width: 44px; height: 44px; right: 0; cursor: pointer; }
.switch { width: 42px; height: 24px; border-radius: 999px; background: var(--surface-sunken); border: 1px solid var(--line-strong); padding: 3px; transition: background-color 140ms var(--ease), border-color 140ms var(--ease); }
.switch::after { content: ""; width: 16px; height: 16px; display: block; background: var(--ink-3); border-radius: 50%; transition: transform 180ms var(--ease), background-color 140ms var(--ease); }
.switch-input:checked + .switch { background: var(--accent-soft); border-color: var(--accent); }
.switch-input:checked + .switch::after { transform: translateX(18px); background: var(--accent); }
.switch-input:focus-visible + .switch { outline: 3px solid color-mix(in srgb, var(--accent), transparent 28%); outline-offset: 3px; }
.intensity-control { padding: 24px 0 20px; }
.range-label, .range-scale { display: flex; justify-content: space-between; align-items: center; }
.range-label label { font-size: 13px; font-weight: 600; }
.range-label output { font-family: var(--font-data); color: var(--accent); font-weight: 700; }
input[type="range"] { width: 100%; height: 28px; margin: 10px 0 0; background: transparent; cursor: pointer; accent-color: var(--accent); }
input[type="range"]::-webkit-slider-runnable-track { height: 4px; background: linear-gradient(90deg, var(--evidence-soft), var(--accent)); border-radius: 4px; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--surface); border: 5px solid var(--accent); margin-top: -8px; box-shadow: var(--shadow-sm); }
.range-scale { font-size: 10px; color: var(--ink-3); }
.primary-button { width: 100%; min-height: 48px; display: flex; align-items: center; justify-content: center; gap: 9px; border: 0; border-radius: var(--radius-input); background: var(--ink); color: var(--paper); font-weight: 650; cursor: pointer; transition: transform 140ms var(--ease), background-color 140ms var(--ease); }
.primary-button:hover { background: var(--accent-strong); }
.primary-button:active { transform: scale(.98); }

.monitor-stage { min-width: 0; background: var(--surface-muted); display: flex; flex-direction: column; }
.stage-topline { min-height: 54px; padding: 0 20px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; font-family: var(--font-data); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
#policyName { color: var(--accent); }
.eye-zone { min-height: 310px; flex: 1; display: grid; place-items: center; position: relative; overflow: hidden; isolation: isolate; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 42px 42px; }
.eye-zone::before { content: ""; position: absolute; inset: -10%; z-index: 0; opacity: 0; pointer-events: none; background: radial-gradient(circle at center, rgba(230,49,32,.3) 0 8%, rgba(173,61,44,.16) 34%, transparent 68%); box-shadow: inset 0 0 74px rgba(205,40,28,.42); transform: scale(.82); transition: opacity 200ms var(--ease), transform 280ms var(--ease); }
.eye-zone::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle, transparent 28%, var(--surface-muted) 70%); pointer-events: none; }
.watch-eye { width: min(78%, 430px); z-index: 2; overflow: visible; filter: drop-shadow(0 14px 22px rgba(32,39,43,.12)); }
.eye-outline { fill: var(--surface); stroke: var(--ink); stroke-width: 2.2; }
.iris { fill: var(--evidence-soft); stroke: var(--evidence); stroke-width: 2; }
.pupil { fill: var(--ink); stroke: transparent; stroke-width: 0; transform-box: fill-box; transform-origin: center; transition: r 360ms var(--ease), transform 260ms var(--ease), fill 200ms var(--ease), stroke 200ms var(--ease), filter 200ms var(--ease); }
.eye-glint { fill: var(--surface); transform-box: fill-box; transform-origin: center; transition: transform 300ms var(--ease); }
.crosshair { fill: none; stroke: var(--accent); stroke-width: 1.4; stroke-dasharray: 4 5; opacity: .75; }
.scan-ring { position: absolute; border: 1px solid var(--accent); border-radius: 50%; opacity: .28; z-index: 1; transition: transform 360ms var(--ease), opacity 240ms var(--ease); }
.ring-one { width: 260px; height: 260px; transform: scale(var(--ring-scale, 1)); }
.ring-two { width: 390px; height: 390px; border-style: dashed; }
.eye-zone.is-scanning .scan-ring { animation: scanPulse 1.4s var(--ease) 2; }
.ethics-alarm { position: absolute; left: 18px; top: 18px; z-index: 4; opacity: 0; transform: translateY(-6px); color: #fff2ee; background: #b52d21; border: 1px solid rgba(255,255,255,.34); padding: 6px 8px; font: 700 9px/1 var(--font-data); letter-spacing: .08em; text-transform: uppercase; box-shadow: 0 0 0 4px rgba(181,45,33,.12); transition: opacity 120ms var(--ease), transform 200ms var(--ease); }
.eye-zone.is-critical::before { opacity: 1; transform: scale(1); animation: alertWash 1.65s cubic-bezier(.4,0,.2,1) infinite; }
.eye-zone.is-critical::after { background: radial-gradient(circle, transparent 25%, rgba(115,16,13,.3) 62%, rgba(92,9,8,.56) 100%); }
.eye-zone.is-critical .pupil { fill: #f02f20; stroke: #ff8d78; stroke-width: 2; filter: drop-shadow(0 0 5px rgba(240,47,32,.95)) drop-shadow(0 0 16px rgba(240,47,32,.72)); animation: laserCore 1.1s cubic-bezier(.4,0,.2,1) infinite; }
.eye-zone.is-critical .iris { stroke: #d83225; animation: irisAlarm 1.65s cubic-bezier(.4,0,.2,1) infinite; }
.eye-zone.is-critical .crosshair { stroke: #f02f20; opacity: 1; }
.eye-zone.is-critical .scan-ring { border-color: #e33b2d; animation: criticalRing 1.65s cubic-bezier(.2,.8,.2,1) infinite; }
.eye-zone.is-critical .ring-two { animation-delay: 300ms; }
.eye-zone.is-critical .tracking-tag { color: #f02f20; border-color: #e33b2d; }
.eye-zone.is-critical .ethics-alarm { opacity: 1; transform: none; animation: alarmLabel 1.65s cubic-bezier(.4,0,.2,1) infinite; }
.tracking-tag { position: absolute; z-index: 3; font-family: var(--font-data); font-size: 9px; color: var(--accent); border: 1px solid var(--accent); padding: 3px 5px; background: var(--surface); }
.tag-a { top: 24%; left: 18%; }.tag-b { bottom: 22%; right: 16%; }
.metric-band { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.metric { padding: 18px; min-width: 0; }
.metric + .metric { border-left: 1px solid var(--line); }
.metric span, .metric small { display: block; color: var(--ink-3); font-size: 10px; }
.metric strong { display: block; margin: 4px 0; font-family: var(--font-data); font-size: clamp(26px, 3vw, 38px); line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.metric-band.is-updating .metric strong { animation: dataSettle 360ms var(--ease); }
.primary-metric { background: color-mix(in srgb, var(--evidence-soft), transparent 38%); }
.primary-metric strong { color: var(--evidence); }
.ethics-readout { padding: 17px 20px 20px; background: var(--surface); display: grid; grid-template-columns: auto 1fr; column-gap: 12px; align-items: baseline; }
.ethics-readout span { font-family: var(--font-data); color: var(--ink-3); font-size: 9px; text-transform: uppercase; letter-spacing: .08em; }
.ethics-readout strong { font-size: 13px; color: var(--accent); }
.ethics-readout p { grid-column: 2; margin: 3px 0 0; color: var(--ink-2); font-size: 12px; }

.case-id { font-family: var(--font-data); color: var(--ink-3); font-size: 9px; }
.candidate-card { display: grid; grid-template-columns: 54px 1fr auto; align-items: center; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-muted); }
.candidate-card > div:nth-child(2) { display: grid; }
.candidate-card small { color: var(--ink-3); font-size: 10px; }
.candidate-visual { width: 54px; height: 54px; background: var(--evidence-soft); position: relative; overflow: hidden; }
.face { position: absolute; width: 27px; height: 34px; background: var(--ink-3); border-radius: 50% 50% 44% 44%; left: 14px; top: 10px; opacity: .7; }
.focus-box { position: absolute; inset: 7px 10px; border: 1px dashed var(--accent); }
.status-dot { font-size: 10px; color: var(--accent); display: flex; align-items: center; gap: 5px; }
.status-dot::before { content: ""; width: 6px; height: 6px; background: currentColor; border-radius: 50%; }
.event-timeline { margin: 24px 0; }
.event { display: grid; grid-template-columns: 72px 1fr; gap: 14px; position: relative; padding-bottom: 20px; }
.event:not(:last-child)::after { content: ""; position: absolute; top: 15px; bottom: 0; left: 76px; border-left: 1px solid var(--line-strong); }
.event::before { content: ""; width: 8px; height: 8px; border: 2px solid var(--evidence); background: var(--surface); border-radius: 50%; position: absolute; left: 71px; top: 4px; z-index: 1; }
.event.warning::before { border-color: var(--accent); background: var(--accent-soft); }
.event.resolution::before { border-color: var(--success); }
.event time { font-family: var(--font-data); font-size: 9px; color: var(--ink-3); padding-top: 3px; }
.event p { margin: 0; padding-left: 8px; font-size: 12px; color: var(--ink-2); }
.event { animation: evidenceIn 360ms var(--ease) both; }
.event:nth-child(2) { animation-delay: 70ms; }.event:nth-child(3) { animation-delay: 140ms; }
.event.warning p { color: var(--accent); font-weight: 600; }
.evidence-note { margin-top: auto; padding: 14px; border: 1px solid var(--line); border-radius: 8px; display: grid; grid-template-columns: 18px 1fr; gap: 9px; color: var(--ink-2); background: var(--surface-muted); }
.evidence-note p { margin: 0; font-size: 11px; }

.tradeoff-section { padding: clamp(72px, 10vw, 140px) clamp(20px, 5vw, 80px); display: grid; grid-template-columns: minmax(250px, .65fr) minmax(500px, 1.35fr); gap: clamp(48px, 8vw, 120px); align-items: center; }
.tradeoff-copy h2, .verdict-section h2 { font-family: var(--font-display); font-size: clamp(38px, 5vw, 68px); line-height: .98; letter-spacing: -.035em; }
.tradeoff-copy > p:not(.kicker), .verdict-section > div > p:not(.kicker) { color: var(--ink-2); max-width: 46ch; }
.legend { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; font-family: var(--font-data); font-size: 10px; color: var(--ink-2); }
.legend span { display: flex; align-items: center; gap: 7px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }.dot.detection { background: var(--evidence); }.dot.harm { background: var(--accent); }
.policy-chart { min-height: 390px; position: relative; border-left: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); margin: 0 20px 34px 42px; }
.policy-chart svg, .chart-grid { position: absolute; inset: 28px 10px 46px 12px; width: calc(100% - 22px); height: calc(100% - 74px); overflow: visible; }
.line { fill: none; stroke-width: 3; vector-effect: non-scaling-stroke; }.detection-line { stroke: var(--evidence); stroke-dasharray: 900; stroke-dashoffset: 900; }.harm-line { stroke: var(--accent); stroke-dasharray: 7 6; stroke-dashoffset: 400; }
.tradeoff-section.visible .detection-line { animation: drawLine 1100ms 140ms var(--ease) forwards; }
.tradeoff-section.visible .harm-line { animation: driftDash 1100ms 260ms var(--ease) forwards; }
.chart-grid { display: grid; grid-template-rows: repeat(4, 1fr); }
.chart-grid span { border-top: 1px solid var(--line); }
.policy-point { position: absolute; border: 0; background: var(--surface); box-shadow: var(--shadow-sm); padding: 9px 12px 9px 26px; text-align: left; border-radius: 7px; cursor: pointer; min-width: 150px; transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease); }
.policy-point i { position: absolute; left: 10px; top: 15px; width: 9px; height: 9px; background: var(--paper); border: 3px solid var(--evidence); border-radius: 50%; }
.policy-point strong, .policy-point span { display: block; }.policy-point strong { font-size: 12px; }.policy-point span { font-family: var(--font-data); font-size: 9px; color: var(--ink-3); }
.policy-point:hover, .policy-point.active { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.policy-point.active { outline: 2px solid var(--accent); }
.policy-point.active i { border-color: var(--accent); }
.policy-point.minimal { left: 4%; bottom: 13%; }.policy-point.balanced { left: 43%; top: 39%; }.policy-point.strict { right: 0; top: 3%; }
.axis-label { position: absolute; font-family: var(--font-data); font-size: 9px; color: var(--ink-3); }.axis-label.x { right: 0; bottom: -28px; }.axis-label.y { transform: rotate(-90deg); left: -51px; top: 42%; }

.verdict-section { margin: 0 clamp(12px, 2vw, 32px) 32px; background: var(--verdict-bg); color: var(--verdict-text); border-radius: var(--radius-large); padding: clamp(32px, 5vw, 72px); display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.verdict-section .kicker { color: #e88767; }
.verdict-section > div > p:not(.kicker) { color: var(--verdict-muted); }
.vote-buttons { display: grid; gap: 8px; }
.vote-buttons button { min-height: 68px; border: 1px solid var(--verdict-line); background: var(--verdict-fill); color: var(--verdict-text); border-radius: 8px; padding: 13px 16px; text-align: left; cursor: pointer; display: grid; transition: background-color 140ms var(--ease), transform 140ms var(--ease); }
.vote-buttons button:hover { background: rgba(255,255,255,.11); transform: translateX(3px); }
.vote-buttons button:active, .language-button:active, .policy-point:active { transform: scale(.98); }
.vote-buttons button[aria-pressed="true"] { border-color: #e88767; background: rgba(232,135,103,.15); }
.vote-buttons span { font-weight: 650; }.vote-buttons small { color: var(--verdict-muted); }
.vote-result { margin-top: 14px; min-height: 46px; color: var(--verdict-muted); font-size: 12px; font-family: var(--font-data); }
footer { padding: 24px clamp(20px, 4vw, 64px) 40px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: var(--ink-3); font-family: var(--font-data); font-size: 9px; }
footer p { margin: 0; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--ink); color: var(--paper); padding: 11px 16px; border-radius: 7px; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; z-index: 20; font-size: 12px; transition: opacity 180ms var(--ease), transform 180ms var(--ease); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 500ms var(--ease), transform 500ms var(--ease); }.reveal.visible { opacity: 1; transform: none; }
@keyframes scanPulse { 0% { transform: scale(.85); opacity: 0; } 50% { opacity: .48; } 100% { transform: scale(1.15); opacity: 0; } }
@keyframes alertWash { 0%, 100% { opacity: .38; transform: scale(.9); } 42% { opacity: 1; transform: scale(1.04); } 68% { opacity: .52; transform: scale(.98); } }
@keyframes laserCore { 0%, 100% { opacity: .84; filter: drop-shadow(0 0 4px rgba(240,47,32,.82)) drop-shadow(0 0 12px rgba(240,47,32,.58)); } 50% { opacity: 1; filter: drop-shadow(0 0 7px rgba(255,83,63,1)) drop-shadow(0 0 22px rgba(240,47,32,.9)); } }
@keyframes irisAlarm { 0%, 100% { opacity: .72; } 50% { opacity: 1; } }
@keyframes criticalRing { 0% { transform: scale(.8); opacity: 0; } 36% { opacity: .78; } 100% { transform: scale(1.2); opacity: 0; } }
@keyframes alarmLabel { 0%, 100% { opacity: .68; } 45% { opacity: 1; } }
@keyframes titleReveal { from { opacity: 0; transform: translateY(34px) skewY(1.5deg); clip-path: inset(0 0 100% 0); } to { opacity: 1; transform: none; clip-path: inset(-8% -3% -12% -3%); } }
@keyframes quietReveal { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes dataSettle { 0% { opacity: .2; transform: translateY(8px); } 100% { opacity: 1; transform: none; } }
@keyframes evidenceIn { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: none; } }
@keyframes drawLine { to { stroke-dashoffset: 0; } }
@keyframes driftDash { to { stroke-dashoffset: 0; } }
@keyframes logoBlink {
  0%, 82%, 86%, 89%, 100% { transform: rotate(45deg) scaleY(1); }
  84%, 88% { transform: rotate(45deg) scaleY(.08); }
}
@keyframes consoleReveal { from { opacity: 0; transform: perspective(1200px) rotateY(-5deg) translateY(22px); } to { opacity: 1; transform: perspective(1200px) rotateY(-2deg); } }
@keyframes heroScan { from { transform: translateY(0); } to { transform: translateY(400%); } }
@keyframes apertureSpin { to { transform: rotate(360deg); } }

@media (max-width: 1120px) {
  .intro { grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); gap: 34px; }
  .intro-copy { grid-template-columns: 1fr; align-items: start; }
  .lab-shell { grid-template-columns: 310px 1fr; }.evidence-panel { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }.evidence-panel .section-heading, .evidence-note { grid-column: 1 / -1; }.event-timeline { margin: 0; }
}
@media (max-width: 780px) {
  .sim-label { display: none; }.intro { min-height: auto; grid-template-columns: 1fr; gap: 36px; }.intro::before { display: none; }.intro-copy { max-width: 620px; grid-template-columns: 1fr auto; }.surveillance-console { transform: none; }.surveillance-view { height: min(500px, 72vw); }.lab-shell { display: block; margin-inline: 8px; }.control-panel { border-right: 0; border-bottom: 1px solid var(--line); }.eye-zone { min-height: 270px; }.metric strong { font-size: 27px; }.evidence-panel { display: block; border-left: 0; }.event-timeline { margin: 24px 0; }.tradeoff-section, .verdict-section { grid-template-columns: 1fr; }.tradeoff-section { padding-inline: 22px; }.policy-chart { min-height: 330px; margin-left: 26px; }.policy-point { min-width: 124px; padding-right: 8px; }.policy-point.balanced { left: 35%; }.verdict-section { padding: 32px 22px; }.reveal { opacity: 1; transform: none; } footer { display: grid; gap: 6px; }
}
@media (max-width: 520px) {
  .topbar { padding-inline: 16px; }.brand strong { font-size: 16px; }.brand small { display: none; }.top-actions { gap: 9px; }.perspective-button { min-width: 44px; width: 44px; padding: 0; }.perspective-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; } h1 { font-size: clamp(43px, 15vw, 68px); }.intro { padding-inline: 18px; }.intro-copy { grid-template-columns: 1fr; padding-left: 16px; }.surveillance-view { height: 410px; }.camera-toggle span { display: none; }.camera-toggle { width: 42px; justify-content: center; }.vision-tag { font-size: 7px; }.metric-band { grid-template-columns: 1fr; }.metric + .metric { border-left: 0; border-top: 1px solid var(--line); }.ethics-readout { grid-template-columns: 1fr; }.ethics-readout p { grid-column: 1; }.policy-chart { min-height: 420px; }.policy-point.minimal { left: 0; bottom: 7%; }.policy-point.balanced { left: 23%; top: 43%; }.policy-point.strict { right: -10px; }.axis-label.y { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }.reveal { opacity: 1; transform: none; }.eye-zone.is-critical::before, .eye-zone.is-critical .ethics-alarm { opacity: .82; transform: none; }.eye-zone.is-critical .pupil { opacity: 1; }
}