:root{--gap:12px;--radius:10px;--primary:#1d72e8;--danger:#e5484d;--ok:#1db954;--bg:#0b0c0f;--card:#14161a;--text:#eef1f6}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}.app{max-width:560px;margin:0 auto;padding:16px}.header{position:sticky;top:0;background:#0b0c0fe6;-webkit-backdrop-filter:saturate(120%) blur(6px);backdrop-filter:saturate(120%) blur(6px);display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #23262b;z-index:100}.title{font-size:18px;margin:0;font-weight:600}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:var(--radius);padding:14px 16px;background:var(--primary);color:#fff;font-weight:600;width:100%;cursor:pointer}.btn[disabled]{opacity:.5;cursor:not-allowed}.btn.secondary{background:#2b2f36}.btn.danger{background:var(--danger)}.card{background:var(--card);border:1px solid #23262b;border-radius:var(--radius);padding:16px;margin-top:12px}.field{display:flex;flex-direction:column;gap:10px;margin-top:10px}.input{padding:12px;border-radius:8px;border:1px solid #2a2e35;background:#101217;color:var(--text);font-size:16px}.station-input,.beacon-input{font-size:20px;font-weight:600;text-align:center;letter-spacing:.5px}.input.valid{border:2px solid var(--ok);background:#0d1b0f}.input.invalid{border:2px solid var(--danger);background:#1b0d0f}.validation-hint{font-size:12px;margin-top:4px;padding:6px 8px;border-radius:6px}.validation-hint.error{color:var(--danger);background:#e5484d1a;border:1px solid rgba(229,72,77,.3)}.validation-hint.success{color:var(--ok);background:#1db9541a;border:1px solid rgba(29,185,84,.3)}.duplicate-error{margin-top:12px;padding:12px 16px;background:#e5484d1a;border:2px solid var(--danger);border-radius:var(--radius);color:var(--danger);font-weight:600;text-align:center}.row{display:flex;gap:var(--gap)}.row>*{flex:1}.hint{opacity:.8;font-size:13px}.toast{position:fixed;left:50%;transform:translate(-50%);bottom:16px;background:#20242b;color:#fff;border:1px solid #2b3038;padding:12px 14px;border-radius:10px;z-index:100}.videoOverlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000;display:flex;flex-direction:column;z-index:1000}.scanner-container{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}#qr-reader{position:relative;width:100%;height:100%;max-width:300px;max-height:300px}#qr-reader:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border:2px solid rgba(255,255,255,.8);border-radius:var(--radius);box-sizing:border-box;pointer-events:none}.scanner-error{flex:1;display:flex;align-items:center;justify-content:center;padding:20px}.error-message{background:var(--card);border:2px solid var(--danger);border-radius:var(--radius);padding:24px;text-align:center;max-width:400px}.error-message h3{margin:0 0 12px;color:var(--danger)}.error-message p{margin:0 0 16px;opacity:.9}.loading-message{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000c;color:#fff;padding:16px 24px;border-radius:var(--radius);text-align:center}.loading-message p{margin:0;opacity:.9}#qr-reader>div{border-radius:var(--radius)!important}#qr-reader video{border-radius:var(--radius)!important;width:100%!important;height:100%!important;object-fit:cover!important;display:block!important;visibility:visible!important}#qr-reader input[type=file]{display:none!important;visibility:hidden!important;opacity:0!important;position:absolute!important;left:-9999px!important}#qr-reader button:not([id*=torch]):not([id*=camera]){display:none!important;visibility:hidden!important}#qr-reader select,#qr-reader [id*=file],#qr-reader [class*=file],#qr-reader__dashboard_section_swaplink,#qr-reader__dashboard_section_fsr{display:none!important;visibility:hidden!important}#qr-reader span,#qr-reader div:not([id*=qr-shaded-region]):not([style*=video]){color:transparent!important}#qr-reader [title*=Select],#qr-reader [title*=Choose],#qr-reader [title*=Upload],#qr-reader [aria-label*=Select],#qr-reader [aria-label*=Choose],#qr-reader__dashboard,#qr-reader__dashboard_section,#qr-reader__dashboard_section_csr,#qr-reader__dashboard_section_fsr{display:none!important}#qr-reader>div:not([id*=qr-shaded-region]):not([style*="position: relative"])>*:not(video):not([id*=qr-shaded-region]){display:none!important}.scanner-controls{display:flex;gap:var(--gap);margin-top:16px;justify-content:center}.scanner-controls .btn{width:auto}@media (max-width: 480px){.scanner-container{padding:10px}#qr-reader{max-width:100%}.error-message{margin:10px;padding:20px}}@media (min-width:600px){.title{font-size:20px}}