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var(--border);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);border-radius:16px}.app{background:var(--bg-primary);flex-direction:row;min-height:100vh;display:flex}.main-content{flex:1;width:calc(100% - 270px);max-width:calc(100% - 270px);margin-left:270px;padding:20px 24px 30px}@media (width<=900px){.app{flex-direction:column}.main-content{width:100%;margin-left:0}}.btn{cursor:pointer;border:none;border-radius:12px;align-items:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex;position:relative;overflow:hidden}.btn:before{content:"";background:#ffffff4d;border-radius:50%;width:0;height:0;transition:width .6s,height .6s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.btn:active:before{width:300px;height:300px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:18px;height:18px}.btn-primary{color:#fff;background:linear-gradient(135deg,#4f46e5,#7c3aed)}.btn-primary:hover:not(:disabled){transform:translateY(-2px)scale(1.02);box-shadow:0 12px 24px #4f46e566}.btn-secondary{background:var(--surface-2);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--surface);transform:translateY(-2px)}.btn-danger{color:#fff;background:linear-gradient(135deg,#dc2626,#ef4444)}.btn-danger:hover{transform:translateY(-2px)scale(1.02);box-shadow:0 12px 24px #dc262666}.notification{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;align-items:center;gap:10px;margin-bottom:20px;padding:14px 20px;font-size:14px;font-weight:500;animation:.4s cubic-bezier(.34,1.56,.64,1) slideDown;display:flex}.notification svg{flex-shrink:0;width:20px;height:20px}.notification.success{color:#059669;background:#d1fae54d;border:1px solid #10b9814d}.notification.info{color:#1e40af;background:#dbeafe4d;border:1px solid #2563eb4d}.notification.error{color:#991b1b;background:#fee2e24d;border:1px solid #dc26264d}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.page-header{margin-bottom:24px;animation:.5s fadeIn}.page-header h1{color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em;text-shadow:0 0 12px #4f46e580;margin:0 0 4px;font-size:32px}.page-subtitle{color:var(--text-secondary);font-size:15px}.camera-wrapper{aspect-ratio:4/3;background:#1e1b4b;border-radius:12px;width:100%;margin-bottom:16px;position:relative;overflow:hidden}.camera-wrapper video{object-fit:cover;width:100%;height:100%;transform:scaleX(-1)}.camera-wrapper video.hidden{display:none}.overlay-canvas{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}.camera-placeholder{color:var(--accent);background:#eff6ffd9;border:1px dashed #6366f159;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.camera-placeholder svg{opacity:.75;width:64px;height:64px;margin-bottom:12px}.camera-placeholder p{opacity:.8;font-size:15px;font-weight:600}.status-bar{color:#6b7280;background:#f9fafb;border-radius:10px;align-items:center;gap:8px;margin-bottom:16px;padding:10px 14px;font-size:13px;display:flex}.status-dot{background:#d1d5db;border-radius:50%;flex-shrink:0;width:8px;height:8px}.status-dot.active{background:#f59e0b;animation:2s infinite pulse;box-shadow:0 0 8px #f59e0b80}.status-dot.detected{background:#10b981;box-shadow:0 0 8px #10b98180}