:root {
  color-scheme: dark;
  --bg:#08090b;
  --panel:#111319;
  --panel2:#171a21;
  --line:#262a33;
  --text:#f7f8fb;
  --muted:#969ba8;
  --accent:#d8ff4f;
  --accent2:#b8e73a;
  --warn:#ffd166;
  --danger:#ff7180;
  --radius:24px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{background:radial-gradient(circle at 50% -10%,rgba(216,255,79,.09),transparent 32rem),var(--bg);overscroll-behavior-y:none}
button,input,textarea{font:inherit} button{-webkit-tap-highlight-color:transparent}
.app-shell{width:min(780px,100%);margin:0 auto;padding:24px 18px calc(48px + env(safe-area-inset-bottom))}
.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:8px 2px 28px}
.eyebrow,.mini-label{font-size:11px;letter-spacing:.17em;color:var(--muted);font-weight:800}
h1{margin:4px 0 0;font-size:24px;letter-spacing:-.04em}
.privacy-pill{display:flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid var(--line);border-radius:999px;color:#c9c9d0;font-size:12px;background:rgba(18,18,23,.82);backdrop-filter:blur(12px)}
.privacy-pill span{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(216,255,79,.1)}
.hero{padding:20px 2px 26px}.hero h2{margin:0;font-size:clamp(38px,8vw,64px);line-height:.96;letter-spacing:-.065em}.hero p{margin:18px 0 0;color:var(--muted);max-width:580px;line-height:1.75;font-size:14px}.mobile-only{display:none}
.mode-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#101216;border:1px solid var(--line);border-radius:18px;padding:6px;margin-bottom:14px;position:sticky;top:max(10px,env(safe-area-inset-top));z-index:30;backdrop-filter:blur(16px)}
.tab,.source-tab{border:0;color:var(--muted);background:transparent;cursor:pointer;border-radius:13px;font-weight:800}.tab{padding:13px}.tab.active{background:var(--text);color:#08090b}.source-tab{padding:9px 13px;border:1px solid var(--line);font-size:13px}.source-tab.active{background:#2a2f38;color:var(--text)}
.panel{display:none;gap:14px}.panel.active{display:grid}.card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(22,25,31,.97),rgba(14,16,20,.98));border-radius:var(--radius);padding:20px;box-shadow:0 22px 60px rgba(0,0,0,.2)}.card h3{margin:5px 0 0;font-size:21px;letter-spacing:-.035em}.stage-head,.settings-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.source-tabs{display:flex;gap:8px;margin:20px 0 12px}.source-pane{display:none}.source-pane.active{display:block}.drop-zone{min-height:190px;border:1px dashed #3c424f;border-radius:20px;display:grid;place-items:center;align-content:center;gap:6px;cursor:pointer;background:rgba(255,255,255,.015);transition:.2s ease}.drop-zone:hover,.drop-zone.drag{border-color:var(--accent);background:rgba(216,255,79,.035)}.drop-zone input{display:none}.drop-zone strong{margin-top:4px}.drop-zone span{color:var(--muted);font-size:13px}.drop-icon{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:var(--accent);color:#08090b;font-size:28px;line-height:1}.file-info{margin-top:12px;padding:13px 14px;border:1px solid var(--line);border-radius:15px;display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}.file-info strong{color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
textarea{width:100%;resize:vertical;border-radius:16px;border:1px solid var(--line);background:#0b0d11;color:var(--text);padding:14px;outline:none;line-height:1.6}textarea:focus{border-color:#565f70}.char-count{text-align:right;color:var(--muted);margin-top:7px;font-size:12px}
.smart-toggle{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:850;color:#d7d9df;cursor:pointer}.smart-toggle input{position:absolute;opacity:0;pointer-events:none}.smart-toggle span{width:38px;height:22px;border-radius:999px;background:#303541;border:1px solid #414754;position:relative;transition:.2s}.smart-toggle span::after{content:"";position:absolute;width:16px;height:16px;border-radius:50%;left:2px;top:2px;background:#dfe2e8;transition:.2s}.smart-toggle input:checked+span{background:var(--accent);border-color:var(--accent)}.smart-toggle input:checked+span::after{translate:16px 0;background:#0a0b07}
.smart-summary{margin-top:18px;padding:13px 14px;border:1px solid rgba(216,255,79,.18);background:rgba(216,255,79,.05);border-radius:15px}.smart-summary strong{display:block;font-size:13px;color:var(--accent)}.smart-summary span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:4px}.manual-settings{transition:.2s}.manual-settings.is-disabled{opacity:.45;pointer-events:none}.setting-row{display:grid;grid-template-columns:1fr 190px;align-items:center;gap:16px;padding:16px 0;border-top:1px solid var(--line)}.setting-row:first-child{margin-top:16px}.setting-row strong{display:block;font-size:14px}.setting-row span{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:4px}.range-stack{display:grid;gap:8px}.range-stack output{text-align:right;font-variant-numeric:tabular-nums;font-weight:800;font-size:13px;color:var(--accent)}input[type=range]{width:100%;accent-color:var(--accent)}.estimate{background:#0b0d11;border:1px solid var(--line);border-radius:14px;padding:12px 13px;color:var(--muted);font-size:12px;line-height:1.55}
.primary-btn,.secondary-btn,.ghost-btn{border:0;border-radius:17px;padding:16px 18px;font-weight:900;cursor:pointer;transition:transform .12s ease,opacity .12s ease}.primary-btn:active,.secondary-btn:active,.ghost-btn:active{transform:scale(.985)}.primary-btn{background:var(--accent);color:#090a06}.secondary-btn{background:#2b3039;color:var(--text)}.ghost-btn{background:transparent;color:#c5c9d1;border:1px solid var(--line)}.big-action{min-height:56px}.compact{padding:12px 15px;border-radius:14px;flex:1}button:disabled{opacity:.42;cursor:not-allowed}.button-row{display:flex;gap:9px;margin-top:16px}
.status-badge{border:1px solid var(--line);padding:8px 10px;border-radius:999px;color:var(--muted);font-size:11px;font-weight:900;letter-spacing:.08em}.status-badge.live{color:#0b0c06;border-color:var(--accent);background:var(--accent)}.status-badge.good{background:rgba(216,255,79,.12);color:var(--accent);border-color:rgba(216,255,79,.45)}
.qr-wrap{width:min(92vw,560px);aspect-ratio:1;margin:24px auto 14px;background:white;border-radius:28px;padding:24px;position:relative;display:grid;place-items:center;overflow:hidden;box-shadow:0 16px 50px rgba(0,0,0,.35)}#qrcode{width:100%;height:100%;display:grid;place-items:center}#qrcode img,#qrcode canvas{width:100%!important;height:100%!important;object-fit:contain;image-rendering:pixelated}.qr-edge{pointer-events:none;position:absolute;inset:12px;border:2px solid rgba(0,0,0,.08);border-radius:20px}.sender-tip{text-align:center;color:var(--muted);font-size:12px}
.progress-block{margin-top:12px}.progress-label{display:flex;justify-content:space-between;gap:14px;font-size:12px;font-weight:800}.progress-track{height:8px;margin-top:9px;background:#282d35;border-radius:99px;overflow:hidden}.progress-track.large{height:11px}.progress-fill{height:100%;width:0;background:var(--accent);border-radius:inherit;transition:width .15s linear}.progress-meta{color:var(--muted);font-size:12px;margin-top:9px;line-height:1.55}
.scanner-card{overflow:hidden}.camera-box{margin-top:20px;aspect-ratio:3/4;max-height:620px;background:#030405;border-radius:22px;overflow:hidden;position:relative;isolation:isolate}.camera-box video{width:100%;height:100%;object-fit:cover;display:block}.camera-overlay{position:absolute;inset:0;pointer-events:none;background:linear-gradient(rgba(0,0,0,.02),rgba(0,0,0,.24))}.finder-frame{width:min(78%,390px);aspect-ratio:1;border-radius:30px;position:absolute;left:50%;top:50%;translate:-50% -54%;box-shadow:0 0 0 999px rgba(0,0,0,.20);border:1px solid rgba(255,255,255,.42);transition:.18s ease}.finder-frame.good{border-color:rgba(216,255,79,.75);box-shadow:0 0 0 999px rgba(0,0,0,.13),0 0 0 3px rgba(216,255,79,.10)}.corner{position:absolute;width:54px;height:54px;border-color:#fff;border-style:solid}.corner.tl{left:-2px;top:-2px;border-width:5px 0 0 5px;border-radius:18px 0 0 0}.corner.tr{right:-2px;top:-2px;border-width:5px 5px 0 0;border-radius:0 18px 0 0}.corner.bl{left:-2px;bottom:-2px;border-width:0 0 5px 5px;border-radius:0 0 0 18px}.corner.br{right:-2px;bottom:-2px;border-width:0 5px 5px 0;border-radius:0 0 18px 0}.scan-line{position:absolute;left:9%;right:9%;height:2px;top:16%;background:linear-gradient(90deg,transparent,var(--accent),transparent);box-shadow:0 0 12px rgba(216,255,79,.75);opacity:.86;animation:scanline 2.1s ease-in-out infinite}@keyframes scanline{0%,100%{top:14%;opacity:.35}50%{top:84%;opacity:1}}
.scanner-hud{position:absolute;left:0;right:0;bottom:18px;display:grid;justify-items:center;gap:8px}.camera-prompt,.scan-quality{background:rgba(5,7,9,.76);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.12);padding:10px 13px;border-radius:999px;font-size:12px;box-shadow:0 8px 28px rgba(0,0,0,.22)}.scan-quality{display:flex;align-items:center;gap:7px;padding:8px 11px}.quality-dot{width:7px;height:7px;border-radius:50%;background:var(--warn);box-shadow:0 0 0 4px rgba(255,209,102,.12)}.scan-quality.good .quality-dot{background:var(--accent);box-shadow:0 0 0 4px rgba(216,255,79,.12)}
.scan-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.scan-stats div{border:1px solid var(--line);background:#0b0d11;border-radius:14px;padding:10px;text-align:center}.scan-stats strong{display:block;font-size:14px}.scan-stats span{display:block;color:var(--muted);font-size:10px;margin-top:2px}.scanner-actions .icon-btn{flex:.72}
.recovery-info{margin-top:12px;border:1px solid rgba(216,255,79,.18);background:rgba(216,255,79,.05);color:#dce9a8;border-radius:13px;padding:10px 12px;font-size:12px;line-height:1.5}.missing-info{color:var(--muted);font-size:12px;margin-top:12px;line-height:1.55}.result-card{display:grid;gap:10px}.success-mark{width:50px;height:50px;display:grid;place-items:center;border-radius:16px;background:var(--accent);color:#080906;font-size:28px;font-weight:950}.result-card p{color:var(--muted);margin:4px 0 0;font-size:13px}.text-result{white-space:pre-wrap;overflow-wrap:anywhere;max-height:280px;overflow:auto;border:1px solid var(--line);background:#0b0d11;border-radius:15px;padding:14px;color:#dddfe7;font-size:13px;line-height:1.6}
footer{display:flex;justify-content:space-between;gap:12px;color:#5f6570;font-size:11px;padding:28px 4px 0}.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));translate:-50% 18px;z-index:100;max-width:calc(100vw - 32px);padding:11px 14px;background:#f5f5f7;color:#101014;border-radius:13px;font-size:12px;font-weight:800;opacity:0;pointer-events:none;transition:.2s ease;box-shadow:0 12px 40px rgba(0,0,0,.3)}.toast.show{opacity:1;translate:-50% 0}.hidden{display:none!important}
@media(max-width:620px){
  .app-shell{padding:14px 10px calc(28px + env(safe-area-inset-bottom))}.topbar{padding:4px 4px 18px}.privacy-pill{font-size:10px;padding:8px 9px}.hero{padding:10px 4px 20px}.hero h2{font-size:42px}.mobile-only{display:block}.hero p{font-size:13px;line-height:1.65}.card{padding:15px;border-radius:20px}.setting-row{grid-template-columns:1fr}.range-stack output{text-align:left}.drop-zone{min-height:160px}.qr-wrap{width:100%;padding:14px;border-radius:20px;margin-top:16px}.button-row{flex-wrap:nowrap}.scanner-card{padding:0;border-radius:22px}.scanner-head{padding:16px 16px 0}.camera-box{margin-top:14px;border-radius:0;max-height:none;height:min(65dvh,610px);aspect-ratio:auto}.finder-frame{width:min(78vw,360px)}.scanner-actions{padding:0 12px 14px;margin-top:12px}.scanner-actions .compact{padding:13px 10px;font-size:13px}.scan-stats{padding:0 12px}.receive-progress-card{position:relative}.result-actions{flex-wrap:wrap}.sticky-actions-send{position:sticky;bottom:calc(8px + env(safe-area-inset-bottom));z-index:20;padding:8px;background:rgba(13,15,19,.88);border:1px solid var(--line);border-radius:18px;backdrop-filter:blur(12px)}footer{flex-direction:column}.mode-tabs{margin-inline:2px}
}
@media(max-width:380px){.hero h2{font-size:37px}.privacy-pill{display:none}.scanner-actions .compact{font-size:12px;padding-inline:8px}.finder-frame{width:80vw}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.scan-line{animation:none}.progress-fill{transition:none}}