:root{--primary: #2563eb;--primary-hover: #1d4ed8;--secondary: #10b981;--background: #ffffff;--surface: #ffffff;--surface-hover: #f3f4f6;--text: #111827;--text-secondary: #6b7280;--border: #e5e7eb;--success: #10b981;--error: #ef4444;--shadow: 0 4px 16px rgba(0, 0, 0, .1)}*{box-sizing:border-box}body{margin:0;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#000;color:var(--text)}video,canvas{position:absolute;top:0;left:0;width:100vw;height:100vh;object-fit:cover;z-index:0}.focusBox{position:absolute;top:50%;width:20vw;height:100px;transform:translateY(-50%);border:4px solid #ef4444;border-radius:12px;background:transparent;box-shadow:0 0 20px #ef44444d,inset 0 0 20px #ef44441a;transition:all .3s ease;animation:pulse 2s infinite;z-index:2}.focusBox.scanning{border-color:var(--secondary);box-shadow:0 0 30px #10b98166,inset 0 0 30px #10b9811a}@keyframes pulse{0%,to{opacity:.8}50%{opacity:1}}video{transition:transform .6s cubic-bezier(.4,0,.2,1)}video.rotated{transform:rotate(180deg)}#focusBox1{left:5vw}#focusBox2{left:47.5vw}#focusBox3{left:77vw}.resultBox{position:absolute;top:20px;width:25vw;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:16px 24px;font-size:14px;text-align:center;box-shadow:var(--shadow);transition:all .3s ease;opacity:0;transform:translateY(-20px);z-index:2}.resultBox.show{opacity:1;transform:translateY(0)}.resultBox.success{border-color:var(--success);border-width:4px;background:var(--surface)}.resultBox.error{border-color:var(--error);border-width:4px;background:var(--surface)}#result1{left:10vw}#result2{left:37.5vw}#result3{left:65vw}#captureBtn,#sendBtn,#resetBtn,#rotateBtn{position:absolute;right:30px;padding:20px 40px;font-size:16px;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:.5px;z-index:3;overflow:hidden;min-width:160px}#captureBtn:before,#sendBtn:before,#resetBtn:before,#rotateBtn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:#fff3;border-radius:50%;transform:translate(-50%,-50%);transition:width .6s,height .6s}#captureBtn:active:before,#sendBtn:active:before,#resetBtn:active:before,#rotateBtn:active:before{width:300px;height:300px}#captureBtn{bottom:240px;background:var(--primary);color:#fff;box-shadow:0 4px 20px #2563eb4d}#captureBtn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 24px #2563eb66}#sendBtn{bottom:170px;background:var(--secondary);color:#fff;box-shadow:0 4px 20px #10b9814d}#sendBtn:hover{background:#0ea572;transform:translateY(-2px);box-shadow:0 6px 24px #10b98166}#sendBtn:disabled{background:#9ca3af;cursor:not-allowed;opacity:.6}#resetBtn{bottom:30px;background:var(--surface);color:var(--text);border:1px solid var(--border)}#resetBtn:hover{background:var(--surface-hover);transform:translateY(-2px)}#rotateBtn{bottom:100px;background:#eab308;color:#fff;box-shadow:0 4px 20px #eab3084d}#rotateBtn:hover{background:#ca8a04;transform:translateY(-2px);box-shadow:0 6px 24px #eab30866}#controls{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:24px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:20px 32px;box-shadow:var(--shadow);z-index:3}.sliderGroup{display:flex;align-items:center;gap:12px;color:var(--text)}.sliderGroup label{font-size:13px;color:var(--text-secondary);font-weight:500;min-width:80px}.sliderGroup input[type=range]{width:120px;height:6px;background:#e5e7eb;border-radius:3px;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.sliderGroup input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;background:var(--primary);border-radius:50%;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px #2563eb4d}.sliderGroup input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.1);box-shadow:0 2px 12px #2563eb80}.sliderGroup input[type=range]::-moz-range-thumb{width:18px;height:18px;background:var(--primary);border-radius:50%;cursor:pointer;transition:all .2s ease;border:none}.sliderGroup span{font-size:13px;font-weight:600;min-width:30px;text-align:right;color:var(--primary)}.loading{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.focusBox{width:25vw;height:80px}#focusBox1{left:2vw}#focusBox2{left:37.5vw}#focusBox3{left:73vw}.resultBox{width:30vw;font-size:14px}#controls{flex-direction:column;gap:15px;padding:10px 15px;bottom:10px}.sliderGroup input[type=range]{width:120px}#captureBtn,#sendBtn,#resetBtn,#rotateBtn{right:20px;padding:16px 32px;font-size:14px;min-width:140px}#captureBtn{bottom:200px}#sendBtn{bottom:140px}#rotateBtn{bottom:80px}#resetBtn{bottom:20px}}