*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;display:flex;flex-direction:column;align-items:center;gap:14px;padding:20px;min-height:100vh}h1{font-size:16px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0;text-align:center}h1 small{color:var(--muted);letter-spacing:0;text-transform:none;font-weight:400}.hint{color:var(--muted);font-size:13px;text-align:center;max-width:640px}a{color:var(--accent)}button{font:inherit;color:var(--accent-ink);background:var(--accent);border:0;border-radius:8px;padding:14px 36px;font-size:18px;font-weight:700;cursor:pointer;transition:background-color .13s ease}button:hover{background:var(--accent-hi)}button:focus-visible{outline:2px solid var(--text);outline-offset:3px}[hidden]{display:none!important}.file-picker{width:min(92vw,640px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;color:var(--text);background:var(--panel);border:1px solid var(--line-bright);border-radius:8px;padding:14px 16px}.file-picker span{color:var(--accent);font-weight:700}.file-picker input{max-width:100%;font:inherit}.file-picker input{color:var(--muted)}.file-picker input::file-selector-button{margin-right:12px;color:var(--text);background:transparent;border:1px solid var(--line-bright);border-radius:6px;padding:8px 14px;font:inherit;font-weight:700;cursor:pointer;transition:border-color .13s ease,color .13s ease}.file-picker input::file-selector-button:hover{color:var(--accent);border-color:var(--accent)}.stage{background:#fff;padding:20px;border-radius:10px}.stage canvas{display:block;image-rendering:pixelated}.preview{position:relative;width:min(92vw,480px)}.preview video{width:100%;border-radius:10px;background:#000;display:block}.progress{width:min(92vw,480px);height:14px;background:var(--panel);border:1px solid var(--line);border-radius:7px;overflow:hidden}.progress-status{width:min(92vw,480px);display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}.progress-status strong{color:var(--accent)}.progress-status span{text-align:right}.progress>div{height:100%;background:var(--accent);transition:width .25s}.progress>div.error{background:var(--red)}.done{color:var(--green);font-size:22px;font-weight:700}.failed{color:var(--red);font-size:22px;font-weight:700}img.received{max-width:min(92vw,640px);border-radius:10px}#result{display:flex;flex-direction:column;align-items:center;gap:14px}a.download{display:inline-block;color:var(--accent-ink);background:var(--accent);border-radius:8px;padding:12px 20px;font-size:16px;font-weight:700;text-decoration:none;max-width:100%;overflow-wrap:anywhere}details.settings{width:min(92vw,640px);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 12px}details.settings summary{cursor:pointer;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}details.settings .row{display:flex;flex-wrap:wrap;gap:10px 18px;padding-top:10px}details.settings label{display:flex;flex-direction:column;gap:3px;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}details.settings select,details.settings input[type=range]{font:inherit;font-size:16px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:5px 8px}.settings-actual{margin:10px 0 2px;padding-top:9px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;letter-spacing:.04em}.metrics{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px;width:min(92vw,640px)}.metric{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:6px 8px}.metric .k{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.metric .v{font-size:16px;font-variant-numeric:tabular-nums}.metric .v.amber{color:var(--accent)}.metric .v.ok{color:var(--green)}:root{color-scheme:dark;--bg: #070a11;--panel: #0e1420;--panel-strong: #121a29;--line: #1d2740;--line-bright: #34466f;--text: #dde6f5;--text-dim: #b9c6dd;--muted: #7c8aa8;--muted-dim: #5c6883;--accent: #58c8ff;--accent-hi: #8adaff;--accent-ink: #04121c;--green: #5fe0b0;--red: #ff7b72;--viewport-bg: #04070d;--accent-rgb: 88, 200, 255;--bg-rgb: 7, 10, 17}.home-page,.tool-page,.receiver-page{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:0;min-height:100svh;background:radial-gradient(circle at 80% -10%,rgba(var(--accent-rgb),.07),transparent 35%),var(--bg)}.home-shell,.send-shell,.receiver-shell{flex:1 0 auto}.site-header{width:100%;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:max(14px,env(safe-area-inset-top)) max(22px,env(safe-area-inset-right)) 14px max(22px,env(safe-area-inset-left));border-bottom:1px solid var(--line);background:rgba(var(--bg-rgb),.9);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:relative;z-index:3}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;text-decoration:none}.brand-logo{width:22px;height:22px;flex:none;color:var(--accent)}.header-side{display:flex;align-items:center;gap:14px}.header-note,.mode-badge{color:var(--muted);font-size:11px;letter-spacing:.06em;text-transform:uppercase}.mode-badge{color:var(--text);border:1px solid var(--line-bright);border-radius:999px;padding:4px 9px}.eyebrow,.card-kicker{margin:0 0 8px;color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.home-shell{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:clamp(56px,9vw,110px) 0 48px}.hero{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:clamp(48px,7vw,82px)}.hero-main{flex:1 1 420px;max-width:660px}.hero h1{margin:0;color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:clamp(32px,5vw,56px);line-height:1;letter-spacing:-.05em;text-align:left;text-transform:none}.hero-copy{max-width:660px;margin:20px 0 0;color:var(--muted);font-size:clamp(15px,2vw,18px);line-height:1.65}.hero-qr{display:flex;align-items:center;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px 18px}#qr-canvas{width:124px;height:124px;border-radius:8px;background:#fff;flex:none}.qr-controls{display:flex;flex-direction:column;gap:8px}.qr-label{font-size:13px;color:var(--muted);font-weight:500}#share-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;color:var(--text);background:transparent;border:1px solid var(--line-bright);border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .13s ease,border-color .13s ease,color .13s ease}#share-btn:hover{background:rgba(var(--accent-rgb),.08);border-color:var(--accent);color:var(--accent)}.transfer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.transfer-card{min-height:336px;display:flex;flex-direction:column;justify-content:space-between;gap:30px;padding:clamp(24px,4vw,42px);border:1px solid var(--line);border-radius:18px;background:linear-gradient(150deg,var(--panel-strong),var(--panel))}.note-feature-card{background:linear-gradient(150deg,rgba(var(--accent-rgb),.07),transparent 55%),var(--panel);border-color:var(--line-bright)}.transfer-card h2{max-width:430px;margin:0 0 14px;color:var(--text);font-size:clamp(25px,3.4vw,38px);line-height:1.08;letter-spacing:-.04em}.transfer-card p:not(.card-kicker){max-width:480px;margin:0;color:var(--muted)}.card-actions{display:flex;flex-wrap:wrap;gap:8px}.action{display:flex;align-items:center;justify-content:space-between;gap:22px;width:100%;min-height:54px;padding:0 22px;color:var(--accent);background:rgba(var(--accent-rgb),.07);border:1px solid rgba(var(--accent-rgb),.38);border-radius:10px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;transition:background-color .14s ease,border-color .14s ease,color .14s ease}.action-arrow{width:20px;height:20px;flex:none;transition:transform .16s ease}.action:hover,.action:focus-visible{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}.file-card .action:hover .action-arrow,.file-card .action:focus-visible .action-arrow{transform:translate(4px)}.note-feature-card .action:hover .action-arrow,.note-feature-card .action:focus-visible .action-arrow{transform:translateY(4px)}.action:focus-visible{outline:2px solid var(--text);outline-offset:3px}@media(prefers-reduced-motion:reduce){.action,.action-arrow{transition:none}.action:hover .action-arrow,.action:focus-visible .action-arrow{transform:none}}.privacy-note{margin:30px 0 0;color:var(--muted-dim);font-size:11px;text-align:center}.site-footer{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 18px;padding:16px max(22px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(22px,env(safe-area-inset-left));border-top:1px solid var(--line);color:var(--muted-dim);font-size:11px;letter-spacing:.04em}.footer-id{display:flex;flex-direction:column;gap:3px}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover,.site-footer a:focus-visible{color:var(--accent)}.footer-links{display:flex;gap:16px}.footer-links a{font-weight:700;letter-spacing:.08em;text-transform:uppercase}.send-shell{width:min(720px,calc(100% - 32px));margin:0 auto;padding:clamp(32px,6vw,64px) 0 40px;display:flex;flex-direction:column;align-items:center;gap:14px}.tool-intro{width:100%;margin-bottom:14px}.tool-intro h1,.receiver-heading h1{margin:0;color:var(--text);font-size:clamp(30px,6vw,48px);line-height:1.05;letter-spacing:-.05em;text-align:left;text-transform:none}.tool-intro>p:last-child{max-width:600px;margin:14px 0 0;color:var(--muted)}.status-line{min-height:20px;max-width:none;text-align:left}.status-line.error{padding:10px 12px;color:var(--red);background:#ff7b721a;border-left:3px solid var(--red);border-radius:0 8px 8px 0;font-weight:700}.send-shell .status-line,.send-shell .file-picker,.send-shell details.settings,.mode-picker,.note-composer{width:100%}.demo-picker{width:100%;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;color:var(--accent);background:var(--panel);border:1px solid var(--line);border-radius:10px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.demo-buttons{display:flex;flex-wrap:wrap;gap:8px}.demo-buttons button{width:auto;padding:10px 16px;color:var(--text);background:transparent;border:1px solid var(--line-bright);font-size:13px;letter-spacing:.04em;text-transform:none}.demo-buttons button:hover{border-color:var(--accent)}.mode-picker{display:flex;gap:4px;padding:4px;background:var(--panel);border:1px solid var(--line);border-radius:10px}.mode-picker label{flex:1}.mode-picker input{position:absolute;opacity:0;pointer-events:none}.mode-picker span{display:block;padding:9px 12px;border-radius:7px;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;text-align:center;cursor:pointer;transition:background .12s ease,color .12s ease,box-shadow .12s ease}.mode-picker span:hover{color:var(--text)}.mode-picker input:checked+span{color:var(--accent);background:var(--panel-strong);box-shadow:inset 0 0 0 1px var(--line-bright)}.mode-picker input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}.send-shell .stage{max-width:100%;overflow:hidden;scroll-margin-top:16px}.note-composer{display:flex;flex-direction:column;gap:8px;color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.note-composer textarea{width:100%;resize:vertical;min-height:168px;padding:16px;color:var(--text);background:var(--panel);border:1px solid var(--line-bright);border-radius:10px;outline:none;font:16px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;text-transform:none}.note-composer textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.16)}.footer-hint{margin-top:6px}.receiver-page .site-header{position:sticky;top:0}.receiver-shell{width:min(720px,calc(100% - 32px));margin:0 auto;padding:clamp(32px,6vw,64px) 0 max(40px,env(safe-area-inset-bottom))}.receiver-primary{min-width:0;display:flex;flex-direction:column;align-items:center;gap:14px}.receiver-heading{width:100%;margin-bottom:14px}.receiver-heading .eyebrow{margin-bottom:4px}.receiver-heading .status-line{max-width:600px;margin:14px 0 0;text-align:left;line-height:1.4}.receiver-primary>details.settings,.receiver-primary>#result{width:100%}.receiver-primary>button{width:auto;min-width:min(100%,260px);max-width:100%;min-height:56px}.preview{position:relative;width:min(100%,640px);aspect-ratio:4 / 3;max-height:calc(100dvh - 156px);background:var(--viewport-bg);border:1px solid var(--line-bright);border-radius:12px;overflow:hidden}.preview video{width:100%;height:100%;object-fit:cover;border-radius:0}.transfer-hud{position:absolute;inset:auto 0 0;z-index:2;padding:54px 14px 14px;background:linear-gradient(transparent,rgba(var(--bg-rgb),.94) 55%);pointer-events:none}.transfer-hud .progress-status,.transfer-hud .progress{width:100%}.transfer-hud .progress-status{margin-bottom:7px;color:var(--text-dim);text-shadow:0 1px 3px #000}.transfer-hud .progress{height:12px;background:rgba(var(--bg-rgb),.86);border-color:#ffffff29}.diagnostics{margin-top:2px}.diagnostics .metrics{width:100%;padding-top:10px}#result:empty{display:none}#result{width:100%}.received-note{width:100%;max-width:640px;margin:0;padding:16px;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:10px}.no-signal{width:100%;max-width:640px;padding:16px 18px;color:var(--muted);background:var(--panel);border:1px solid var(--line-bright);border-left:3px solid var(--accent);border-radius:10px;font-size:13px;line-height:1.6}.no-signal strong{display:block;margin-bottom:8px;color:var(--accent);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.no-signal ul{margin:0;padding-left:18px}.no-signal li+li{margin-top:6px}.no-signal-dismiss{margin-top:12px}.secondary-button{width:auto;padding:10px 16px;color:var(--text);background:transparent;border:1px solid var(--line-bright);font-size:14px}.note-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;margin-top:14px;max-width:100%}.text-button{padding:0;color:var(--accent);background:transparent;border:0;border-radius:0;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.text-button.danger{color:var(--red)}@media(max-width:680px){.site-header{min-height:50px;padding:max(11px,env(safe-area-inset-top)) 14px 11px}.header-note{display:none}.brand{gap:8px;font-size:11px;letter-spacing:.08em}.brand-logo{width:19px;height:19px}.home-shell{width:min(100% - 28px,520px);padding-top:46px}.hero{flex-direction:column;align-items:flex-start}.hero-qr{width:100%}.hero h1{font-size:clamp(30px,9vw,42px)}.hero-copy{margin-top:16px}.transfer-grid{gap:10px}.transfer-card{min-height:0;gap:16px;padding:16px 14px;border-radius:14px}.transfer-card .card-kicker{margin-bottom:6px;font-size:9px;letter-spacing:.1em}.transfer-card h2{margin-bottom:8px;font-size:clamp(17px,5vw,24px)}.transfer-card p:not(.card-kicker){display:none}.card-actions .action{min-width:0;width:100%;gap:8px;padding:10px 12px;font-size:13px}.action-arrow{width:18px;height:18px}.send-shell{width:calc(100% - 24px);padding-top:28px}.receiver-shell{width:calc(100% - 20px);padding-top:10px}.receiver-primary{gap:8px}.receiver-heading{gap:10px}.receiver-heading h1{font-size:25px}.receiver-heading .status-line{font-size:10px}.preview{max-height:calc(100dvh - 128px)}.progress-status{font-size:11px}.transfer-hud{padding:42px 10px 10px}}@media(max-height:620px)and (orientation:landscape){.receiver-heading .eyebrow{display:none}.receiver-heading h1{font-size:20px}.preview{width:auto;height:calc(100dvh - 108px);max-width:100%}}
