*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0b1513;--card:#12201d;--accent:#10b981;--accent-dim:#0f3a2f;--text:#eafff8;--mut:rgba(234,255,248,.55);--warn:#f59e0b}
html,body{height:100%;background:var(--bg);color:var(--text);font-family:Inter,Roboto,system-ui,sans-serif;-webkit-tap-highlight-color:transparent}
body{max-width:480px;margin:0 auto;position:relative;min-height:100dvh;overflow:hidden}
.app{display:flex;flex-direction:column;height:100dvh;padding-bottom:74px}
.header{padding:14px 18px 10px}
.header h1{font-size:26px;font-weight:800;letter-spacing:-.5px}
.header p{font-size:13px;opacity:.6;margin-top:3px}
.row{display:flex;align-items:center;gap:12px}
.sp{flex:1}
.chip{display:inline-block;padding:6px 12px;border-radius:99px;font-size:12px;font-weight:600;background:var(--accent-dim);color:var(--accent);margin-right:6px;border:0;cursor:pointer}
.chip.on{background:var(--accent);color:#fff}
.card{background:var(--card);border-radius:20px;padding:16px;margin:0 18px 12px;box-shadow:0 6px 24px rgba(0,0,0,.08)}
.btn{background:var(--accent);color:#fff;border:0;border-radius:16px;padding:15px;text-align:center;font-weight:700;margin:6px 18px;width:calc(100% - 36px);cursor:pointer;font-size:15px}
.btn:disabled{opacity:.45}
.btn.ghost{background:var(--card);color:var(--text)}
.mut{opacity:.55;font-size:12px}
.b{font-weight:700}
.nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;height:74px;background:var(--card);display:flex;justify-content:space-around;align-items:center;font-size:11px;border-top:1px solid rgba(128,128,128,.15);z-index:40}
.nav button{background:0;border:0;color:var(--text);opacity:.5;text-align:center;cursor:pointer;font:inherit;padding:8px}
.nav button.on{opacity:1;color:var(--accent);font-weight:700}
.nav .ico{font-size:20px;display:block;line-height:1.2}
.view{display:none;flex:1;overflow:auto;padding-bottom:12px;-webkit-overflow-scrolling:touch}
.view.on{display:flex;flex-direction:column}
.scan-wrap{margin:6px 18px;flex:1;min-height:280px;border-radius:28px;background:radial-gradient(circle at 50% 40%,#2c3d38,#0a1210);position:relative;overflow:hidden}
.scan-wrap video,.scan-wrap canvas.overlay{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scan-wrap canvas.overlay{pointer-events:none}
.finder{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);width:min(68%,260px);aspect-ratio:1;border-radius:24px;box-shadow:0 0 0 999px rgba(0,0,0,.45);pointer-events:none}
.corner{position:absolute;width:44px;height:44px;border:solid var(--accent);border-radius:10px;pointer-events:none}
.corner.tl{left:calc(50% - min(34%,130px));top:calc(42% - min(34%,130px));border-width:4px 0 0 4px;transform:translate(-50%,-50%)}
.corner.tr{left:calc(50% + min(34%,130px));top:calc(42% - min(34%,130px));border-width:4px 4px 0 0;transform:translate(-50%,-50%)}
.corner.bl{left:calc(50% - min(34%,130px));top:calc(42% + min(34%,130px));border-width:0 0 4px 4px;transform:translate(-50%,-50%)}
.corner.br{left:calc(50% + min(34%,130px));top:calc(42% + min(34%,130px));border-width:0 4px 4px 0;transform:translate(-50%,-50%)}
.scanline{position:absolute;left:18%;right:18%;top:42%;height:3px;background:var(--accent);box-shadow:0 0 18px 4px var(--accent);animation:scan 2.2s ease-in-out infinite;pointer-events:none}
@keyframes scan{0%,100%{transform:translateY(-90px)}50%{transform:translateY(90px)}}
.scan-hint{position:absolute;bottom:22px;left:0;right:0;text-align:center;font-size:13px;opacity:.8;z-index:2;pointer-events:none}
.controls{display:flex;justify-content:center;align-items:center;gap:34px;margin:14px 0 8px}
.icbtn{width:42px;height:42px;border-radius:13px;background:var(--card);border:0;color:var(--text);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.shutter{width:72px;height:72px;border-radius:50%;border:4px solid var(--accent);display:flex;align-items:center;justify-content:center;background:transparent;cursor:pointer;padding:0}
.shutter span{width:56px;height:56px;border-radius:50%;background:var(--accent);display:block}
.action-grid{display:flex;margin:0 18px 12px;gap:10px}
.action-grid .card{margin:0;flex:1;text-align:center;padding:14px 4px;font-size:13px;font-weight:600;cursor:pointer}
.hist-item{display:flex;align-items:center;gap:12px;padding:12px 14px;margin:0 18px 9px;background:var(--card);border-radius:20px;cursor:pointer}
.hist-ic{width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex-shrink:0}
input,select,textarea{width:100%;background:#0a1210;border:1px solid rgba(16,185,129,.25);border-radius:12px;padding:12px 14px;color:var(--text);font:inherit;margin-top:6px}
label{font-size:12px;opacity:.55;display:block;margin-top:12px}
.tabs-row{margin:0 18px 14px;display:flex;flex-wrap:wrap;gap:6px}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:#022c22;color:#a7f3d0;padding:10px 16px;border-radius:12px;font-size:13px;font-weight:600;z-index:99;opacity:0;pointer-events:none;transition:opacity .2s;max-width:90%}
.toast.show{opacity:1}
.qr-preview{background:#fff;border-radius:12px;padding:12px;display:inline-block;margin:12px auto}
.qr-preview canvas,.qr-preview img{display:block}
.center{text-align:center}
.hidden{display:none!important}
.back{background:0;border:0;color:var(--mut);font:inherit;cursor:pointer;padding:0;margin-bottom:4px}
.detail-row{display:flex;margin-top:8px;font-size:14px}
.detail-row b{margin-left:auto}
.empty{text-align:center;opacity:.55;padding:40px 20px;font-size:14px}
.toggle{width:44px;height:26px;border-radius:99px;background:#333;position:relative;cursor:pointer;border:0;padding:0}
.toggle.on{background:var(--accent)}
.toggle i{position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:left .15s;display:block}
.toggle.on i{left:21px}