:root{color-scheme:dark;--bg: #090b10;--panel: #11151d;--panel-2: #171c25;--line: rgba(255, 255, 255, .1);--muted: #929baa;--text: #f5f7f8;--mint: #83f2c1;--cyan: #70d7ff;--danger: #ff7882;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;min-width:320px;min-height:100vh;min-height:100svh;background:radial-gradient(circle at 50% -15%,#19242a 0,var(--bg) 39%)}button,select,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}.app-shell{width:min(1120px,calc(100% - 40px));margin:auto;padding-bottom:56px}.topbar{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:inline-flex;gap:11px;align-items:center;color:var(--text);text-decoration:none;font-size:17px;font-weight:720;letter-spacing:-.02em}.version-badge{margin-left:-4px;padding:3px 7px;border:1px solid rgba(131,242,193,.25);border-radius:999px;background:#83f2c112;color:var(--mint);font-size:9px;font-weight:800;letter-spacing:.08em;line-height:1}.brand-mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--mint);box-shadow:0 0 24px #83f2c12e}.brand-mark i{width:12px;height:12px;border:2px solid #07110d;border-left:0;border-bottom:0;transform:rotate(45deg)}.status-pill{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.status-pill svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}.status-pill.ready{color:var(--cyan)}.status-pill.paired{color:var(--mint)}main{padding-top:clamp(54px,9vw,110px)}.hero{max-width:820px;text-align:center;margin:auto}.eyebrow{color:var(--mint);letter-spacing:.2em;font-size:11px;font-weight:800;margin:0 0 22px}h1{font-size:clamp(50px,8vw,88px);line-height:.96;letter-spacing:-.065em;margin:0;font-weight:730}h1 span{color:var(--mint)}.lede{color:var(--muted);max-width:670px;margin:30px auto 0;font-size:clamp(16px,2vw,19px);line-height:1.65}.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:70px auto 0;max-width:920px}.role-card{position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;padding:27px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,#ffffff0e,#ffffff05);text-align:left;cursor:pointer;transition:transform .2s ease,border-color .2s ease,background .2s ease;overflow:hidden}.role-card:after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-90px;bottom:-140px;background:var(--card-color);filter:blur(55px);opacity:.12}.role-card:hover{transform:translateY(-3px);border-color:#83f2c159;background:linear-gradient(145deg,#ffffff13,#ffffff06)}.send-card{--card-color: var(--mint)}.receive-card{--card-color: var(--cyan)}.role-icon{width:57px;height:57px;border-radius:16px;display:grid;place-items:center;background:color-mix(in srgb,var(--card-color),transparent 87%);color:var(--card-color);font-size:27px}.role-copy{display:flex;flex-direction:column;gap:6px}.role-copy strong{font-size:20px;letter-spacing:-.025em}.role-copy small{font-size:13px;color:var(--muted)}.arrow{color:var(--muted);font-size:19px}.how-it-works{max-width:920px;margin:70px auto 0;padding-top:35px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.how-it-works div{display:grid;grid-template-columns:36px 1fr;align-items:baseline}.how-it-works span{color:#606a78;font-size:11px;font-variant-numeric:tabular-nums}.how-it-works strong{font-size:14px}.how-it-works p{grid-column:2;color:var(--muted);margin:7px 0 0;font-size:12px;line-height:1.6}.install-button{display:block;margin:45px auto 0;border:1px solid rgba(131,242,193,.35);background:#83f2c114;color:var(--mint);padding:12px 18px;border-radius:12px;cursor:pointer}.panel-dialog{width:min(560px,calc(100% - 24px));max-height:calc(100svh - 24px);padding:0;border:1px solid rgba(255,255,255,.13);border-radius:24px;background:#11151d;color:var(--text);box-shadow:0 30px 100px #000;overflow:auto}.panel-dialog::backdrop{background:#030508c7;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.dialog-bar{display:flex;justify-content:space-between;align-items:center;padding:17px 20px;border-bottom:1px solid var(--line);font-size:13px;font-weight:700}.dialog-bar button{width:32px;height:32px;border-radius:50%;border:0;background:#ffffff12;cursor:pointer;font-size:20px;line-height:1}.panel-content{padding:34px}.panel-content h2{margin:0 0 10px;font-size:29px;letter-spacing:-.035em}.panel-lede{color:var(--muted);line-height:1.6;margin:0 0 26px}.file-drop{min-height:150px;border:1px dashed rgba(131,242,193,.35);border-radius:17px;background:#83f2c109;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;cursor:pointer;margin:24px 0;padding:20px;text-align:center}.file-drop:hover{background:#83f2c111}.file-plus{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#83f2c11f;color:var(--mint);font-size:25px;margin-bottom:4px}.file-drop small{color:var(--muted)}.wizard-progress{display:grid;grid-template-columns:repeat(3,28px) 1fr;gap:7px;align-items:center;margin-bottom:26px}.wizard-progress i{height:3px;border-radius:5px;background:#ffffff1a}.wizard-progress i.active,.wizard-progress i.done{background:var(--mint)}.wizard-progress span{justify-self:end;color:var(--muted);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em}.method-picker{display:grid;gap:10px;margin:4px 0 18px;padding:0;border:0}.method-picker legend{margin-bottom:10px;color:var(--text);font-size:13px;font-weight:800}.method-card{display:grid;grid-template-columns:auto 1fr;gap:13px;align-items:flex-start;padding:15px;border:1px solid var(--line);border-radius:14px;cursor:pointer;transition:border-color .18s ease,background .18s ease}.method-card:has(input:checked){border-color:#83f2c17a;background:#83f2c10f}.method-card input{margin:3px 0 0;accent-color:var(--mint)}.method-card span{display:flex;flex-direction:column;gap:6px}.method-card strong{font-size:13px}.method-card em{display:inline-block;margin-left:6px;padding:3px 6px;border-radius:999px;background:var(--mint);color:#07110d;font-size:8px;font-style:normal;text-transform:uppercase;letter-spacing:.04em;vertical-align:2px}.method-card small{color:var(--muted);font-size:11px;line-height:1.5}.advanced-options{margin:0 0 18px;padding:13px 15px;border:1px solid var(--line);border-radius:13px;background:#ffffff06}.advanced-options summary{color:var(--muted);font-size:11px;font-weight:700;cursor:pointer}.advanced-options[open] summary{margin-bottom:17px}.field-label{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}.orientation-label{margin-top:16px}select{width:100%;color:var(--text);background:#1b212b;border:1px solid var(--line);border-radius:12px;padding:13px}.note{margin:20px 0;padding:14px 16px;color:var(--muted);background:#ffffff09;border-radius:12px;font-size:12px;line-height:1.55}.reassurance-box{display:flex;flex-direction:column;gap:6px;margin:18px 0 12px;padding:14px 16px;border-left:3px solid var(--mint);border-radius:4px 12px 12px 4px;background:#83f2c10e}.reassurance-box strong{color:var(--mint);font-size:12px}.reassurance-box span{color:var(--muted);font-size:11px;line-height:1.55}.consent-check{display:grid;grid-template-columns:auto 1fr;gap:11px;align-items:flex-start;margin:14px 0 19px;color:var(--text);font-size:11px;line-height:1.5;cursor:pointer}.consent-check input{margin:2px 0 0;accent-color:var(--mint)}.primary-button{width:100%;border:0;border-radius:13px;padding:15px 18px;background:var(--mint);color:#07110d;font-weight:800;cursor:pointer;text-align:center;text-decoration:none;display:block}.primary-button:disabled{opacity:.35;cursor:not-allowed}.secondary-button{border:1px solid var(--line);border-radius:13px;padding:15px 18px;background:#ffffff0b;color:var(--text);font-weight:750;cursor:pointer}.pair-step{text-align:center}.qr-shell{width:fit-content;margin:20px auto 13px;padding:12px;border-radius:18px;background:#fff;box-shadow:0 15px 45px #00000052}.qr-shell canvas{display:block;width:min(240px,62vw);height:auto;image-rendering:pixelated}.qr-privacy{margin:0 auto 20px;max-width:390px;color:var(--muted);font-size:10px;line-height:1.55}.simple-steps{margin:0 0 22px;padding:17px 18px 17px 38px;border-radius:13px;background:#ffffff09;color:var(--muted);text-align:left;font-size:11px;line-height:1.7}.simple-steps strong{color:var(--text)}.wizard-actions{display:grid;grid-template-columns:auto 1fr;gap:10px}.centered{text-align:center;padding-block:70px}.centered p{color:var(--muted)}.spinner{width:38px;height:38px;margin:0 auto 25px;border:3px solid rgba(131,242,193,.15);border-top-color:var(--mint);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.privacy-row{display:flex;gap:15px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:16px;margin:24px 0}.privacy-row>span{color:var(--mint)}.privacy-row div{display:flex;flex-direction:column;gap:4px}.privacy-row small{color:var(--muted)}.telemetry-choice{display:flex;gap:12px;align-items:flex-start;margin:-10px 0 24px;padding:12px 14px;border-radius:12px;background:#70d7ff0e;cursor:pointer}.telemetry-choice input{margin:3px 0 0;accent-color:var(--mint)}.telemetry-choice span{display:flex;flex-direction:column;gap:4px}.telemetry-choice strong{font-size:12px}.telemetry-choice small{color:var(--muted);font-size:10px;line-height:1.4}.error-text{color:var(--danger);font-size:12px;min-height:18px}.stage{position:fixed;inset:0;z-index:20;background:#000;display:flex;flex-direction:column}.stage[hidden]{display:none}.stage-top{min-height:58px;padding:max(12px,env(safe-area-inset-top)) 18px 10px;display:flex;align-items:center;justify-content:space-between;background:#090b10}.stage-top div{display:flex;gap:9px;align-items:center;font-size:11px;letter-spacing:.13em}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 12px var(--mint);animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{50%{opacity:.35}}.stage-top button{border:1px solid var(--line);border-radius:9px;background:#ffffff0f;padding:7px 13px;cursor:pointer}.stage-top .stage-actions{display:flex;gap:7px;letter-spacing:normal}.stage-top .relay-chip{padding:4px 7px;border:1px solid rgba(255,255,255,.13);border-radius:999px;color:var(--muted);font-size:8px;font-weight:700;letter-spacing:.04em;white-space:nowrap}.stage-top .relay-chip.ready{color:var(--cyan);border-color:#70d7ff52}.stage-top .relay-chip.paired{color:var(--mint);border-color:#83f2c159;background:#83f2c112}.optical-wrap{flex:1;min-height:0;display:grid;place-items:center;overflow:hidden}#send-canvas{display:block;max-width:100%;max-height:100%;width:auto;height:auto;image-rendering:pixelated;background:#000}.sender-complete{flex:1;min-height:0;display:grid;place-content:center;justify-items:center;gap:10px;padding:30px;text-align:center;background:radial-gradient(circle,rgba(131,242,193,.12),transparent 42%)}.sender-complete[hidden]{display:none}.sender-complete>span{width:58px;height:58px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:#07110d;font-size:28px;font-weight:900;box-shadow:0 0 40px #83f2c138}.sender-complete h2{margin:8px 0 0;font-size:clamp(28px,5vw,48px);letter-spacing:-.04em}.sender-complete p{max-width:440px;margin:0;color:var(--muted);font-size:13px;line-height:1.55}.sender-complete #sender-complete-stats{width:min(760px,90vw);margin-top:16px}.sender-complete .sender-feedback{width:100%;padding:14px;grid-template-columns:repeat(5,minmax(72px,1fr));border:1px solid var(--line);border-radius:14px;background:#ffffff09}.sender-complete .sender-feedback i{font-size:8px}.sender-complete .sender-feedback b{font-size:11px}.live-dot.complete{animation:none}.stage-bottom{min-height:73px;padding:12px 20px max(12px,env(safe-area-inset-bottom));background:#090b10;display:flex;align-items:center;justify-content:space-between;gap:20px}.stage-bottom>div:first-child{min-width:0;display:flex;flex-direction:column;gap:4px}.stage-bottom strong{max-width:50vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.stage-bottom small,.receiver-hint{color:var(--muted);font-size:11px}.sender-feedback{flex:0 1 640px;display:grid;grid-template-columns:repeat(5,minmax(64px,1fr));gap:5px 12px}.sender-feedback[hidden]{display:none}.sender-feedback span{min-width:0;display:flex;flex-direction:column;gap:2px}.sender-feedback i{color:#697483;font-size:7px;font-style:normal;font-weight:700;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.sender-feedback b{color:#e9f0ee;font-size:9px;font-variant-numeric:tabular-nums;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.receiver-stage{overflow:hidden;background:#050608}#camera-video,#camera-overlay{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}#camera-overlay{pointer-events:none}.receiver-stage .stage-top{z-index:3;background:linear-gradient(#07090ee8,transparent)}.scan-frame{pointer-events:none;position:absolute;z-index:2;inset:17% 7% 27%}.scan-frame i{position:absolute;width:42px;height:42px;border-color:#ffffffbf;border-style:solid}.scan-frame i:nth-child(1){left:0;top:0;border-width:3px 0 0 3px}.scan-frame i:nth-child(2){right:0;top:0;border-width:3px 3px 0 0}.scan-frame i:nth-child(3){right:0;bottom:0;border-width:0 3px 3px 0}.scan-frame i:nth-child(4){left:0;bottom:0;border-width:0 0 3px 3px}.receive-status-card{position:absolute;z-index:3;left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));border:1px solid rgba(255,255,255,.16);border-radius:17px;background:#090b10e0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);padding:17px;display:flex;flex-direction:column;gap:6px}.receive-status-card strong{font-size:14px}.receive-status-card span,.receive-status-card small{color:var(--muted);font-size:11px}.progress-track{height:5px;border-radius:9px;background:#ffffff1a;margin:8px 0 3px;overflow:hidden}.progress-track i{display:block;height:100%;width:0;background:var(--mint);transition:width .25s ease}.receive-status-card .primary-button{margin-top:8px;padding:12px}.transfer-speed{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-top:6px;padding:9px 10px;border-radius:9px;background:#83f2c112}.transfer-speed strong{color:var(--mint);font-size:13px;font-variant-numeric:tabular-nums}.transfer-speed span{text-align:right;font-size:9px;font-variant-numeric:tabular-nums}.speed-timing{display:flex;flex-direction:column;gap:3px}.speed-timing i{color:var(--muted);font-style:normal}.diagnostics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:9px;overflow:hidden;border:1px solid rgba(255,255,255,.1);border-radius:10px;background:#ffffff1a}.diagnostics div{min-width:0;padding:8px 7px;background:#090b10eb;display:flex;flex-direction:column;gap:3px}.diagnostics span{color:#7f8998;font-size:8px;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}.diagnostics strong{color:#e9f0ee;font-size:10px;font-variant-numeric:tabular-nums;overflow:hidden;text-overflow:ellipsis}@media(max-width:700px){.app-shell{width:min(100% - 24px,520px)}.topbar{height:66px}.status-pill span:last-child{display:none}main{padding-top:55px}.action-grid{grid-template-columns:1fr;margin-top:48px}.how-it-works{grid-template-columns:1fr;gap:22px;margin-top:50px}.panel-content{padding:28px 22px}.stage-bottom{padding-inline:12px}.receiver-hint{max-width:48%;text-align:right}.sender-feedback{grid-template-columns:repeat(3,minmax(58px,1fr));gap-inline:8px}.diagnostics{grid-template-columns:repeat(4,1fr)}}@media(orientation:landscape)and (max-height:600px){.stage-top{position:absolute;top:0;left:0;right:0;z-index:2;background:linear-gradient(#090b10dd,transparent)}.stage-bottom{position:absolute;bottom:0;left:0;right:0;z-index:2;background:linear-gradient(transparent,#090b10ee 30%);padding-top:28px}.optical-wrap{position:absolute;inset:0}.receiver-stage{--receiver-panel: min(330px, 39vw)}.receiver-stage .receive-status-card{inset:62px 10px 10px auto;width:var(--receiver-panel);padding:12px;justify-content:center;overflow-y:auto}.receiver-stage .scan-frame{left:3%;right:calc(var(--receiver-panel) + 28px);top:14%;bottom:9%}.receiver-stage .diagnostics{grid-template-columns:repeat(2,1fr)}.receiver-stage .receive-status-card .primary-button{flex:0 0 auto}.receiver-stage .transfer-speed{padding-block:7px}}