*{box-sizing:border-box;margin:0;padding:0}.angle-meter-container{color:#fff;background:linear-gradient(135deg,#1e3a8a 0%,#1e40af 50%,#3b82f6 100%);min-height:100vh;font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.game-header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0009;border-bottom:3px solid #ffd70080;justify-content:space-between;align-items:center;padding:1.5rem 2rem;display:flex}.header-left{align-items:center;gap:1.5rem;display:flex}.back-button{color:#fff;background:#ffffff1a;border:1px solid #fff3;border-radius:8px;padding:.5rem 1rem;font-weight:600;text-decoration:none;transition:all .3s}.back-button:hover{background:#fff3;transform:translate(-4px)}.game-header h1{background:linear-gradient(135deg,gold,#ffed4e);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:800}.status-badges{gap:1rem;display:flex}.status-badge{background:#ffffff1a;border:2px solid #fff3;border-radius:12px;align-items:center;gap:.75rem;padding:.75rem 1.5rem;transition:all .3s;display:flex}.status-badge.active{background:#ffd7004d;border-color:gold;box-shadow:0 0 20px #ffd70066}.badge-icon{font-size:1.5rem}.game-main{grid-template-columns:1fr 400px;gap:1.5rem;height:calc(100vh - 100px);padding:1.5rem;display:grid}.camera-container{background:#000;border:3px solid #ffd7004d;border-radius:20px;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 40px #00000080}.main-canvas{cursor:crosshair;border-radius:16px;max-width:100%;max-height:100%}.hidden-video{display:none}.error-overlay{text-align:center;background:#dc2626e6;border:2px solid #ef4444;border-radius:16px;padding:2rem 3rem;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.error-message{color:#fff;margin-bottom:1.5rem;font-size:1.2rem}.retry-btn{color:#dc2626;cursor:pointer;background:#fff;border:none;border-radius:8px;padding:.75rem 2rem;font-weight:700;transition:all .3s}.retry-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #ffffff4d}.loading-overlay{text-align:center;background:#000000b3;border-radius:16px;padding:2rem 3rem;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.spinner{border:4px solid #ffffff1a;border-top-color:gold;border-radius:50%;width:60px;height:60px;margin:0 auto 1rem;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.control-panel{flex-direction:column;gap:1.5rem;display:flex;overflow-y:auto}.control-panel::-webkit-scrollbar{width:6px}.control-panel::-webkit-scrollbar-track{background:#ffffff0d;border-radius:3px}.control-panel::-webkit-scrollbar-thumb{background:#ffd70080;border-radius:3px}.instructions-card,.controls-card,.saved-angles-card,.tips-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:2px solid #ffffff1a;border-radius:16px;padding:1.5rem}.instructions-card h3,.controls-card h3,.saved-angles-card h3,.tips-card h3{color:gold;margin-bottom:1rem;font-size:1.2rem;font-weight:700}.instructions-card ol{padding:0;list-style:none}.instructions-card li{background:#ffd7001a;border-left:3px solid gold;border-radius:8px;align-items:center;gap:1rem;margin-bottom:.5rem;padding:.75rem;display:flex}.step-number{color:#1e3a8a;background:gold;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-weight:700;display:flex}.step-text{color:#ffffffe6;flex:1}.control-btn{cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:.75rem;width:100%;margin-bottom:.75rem;padding:1rem 1.5rem;font-size:1.1rem;font-weight:700;transition:all .3s;display:flex}.control-btn:disabled{opacity:.5;cursor:not-allowed}.protractor-btn{color:#fff;background:linear-gradient(135deg,#8b5cf6,#7c3aed);box-shadow:0 4px 15px #8b5cf666}.protractor-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #8b5cf699}.protractor-btn.active{background:linear-gradient(135deg,#10b981,#059669)}.save-btn{color:#1e3a8a;background:linear-gradient(135deg,gold,#f59e0b);box-shadow:0 4px 15px #ffd70066}.save-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #ffd70099}.clear-btn{color:#fff;background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 4px 15px #ef444466}.clear-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #ef444499}.btn-icon{font-size:1.5rem}.saved-list{max-height:200px;margin-bottom:1rem;overflow-y:auto}.saved-list::-webkit-scrollbar{width:4px}.saved-list::-webkit-scrollbar-thumb{background:#ffd70080;border-radius:2px}.empty-message{text-align:center;color:#ffffff80;padding:2rem;font-style:italic}.saved-item{background:#ffd7001a;border-left:3px solid gold;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:.5rem;padding:.75rem;display:flex}.saved-number{color:gold;font-weight:700}.saved-value{color:#fff;font-family:Courier New,monospace;font-size:1.2rem;font-weight:700}.clear-saved-btn{color:#fff;background:linear-gradient(135deg,#6b7280,#4b5563);box-shadow:0 4px 15px #6b728066}.clear-saved-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6b728099}.tips-card ul{padding:0;list-style:none}.tips-card li{color:#fffc;padding:.5rem 0;font-size:.95rem;line-height:1.5}@media (max-width:1200px){.game-main{grid-template-columns:1fr;height:auto}.camera-container{min-height:500px}.control-panel{flex-direction:row;overflow:auto hidden}.instructions-card,.controls-card,.saved-angles-card,.tips-card{min-width:300px}}@media (max-width:768px){.game-header{flex-direction:column;gap:1rem}.game-header h1{font-size:1.5rem}.status-badges{flex-direction:column;width:100%}.status-badge{justify-content:center}}@media (max-width:640px){.control-panel{flex-direction:column}.instructions-card,.controls-card,.saved-angles-card,.tips-card{min-width:auto}}