.btn-admin-login,.btn-back,.settings-btn{position:fixed;padding:12px;border-radius:50%;background:#ffffff1a;border:none;color:#fff;cursor:pointer;transition:all .3s ease;z-index:100;display:flex;align-items:center;justify-content:center}.admin-message{color:#fff;text-align:center;font-size:1.5rem}.username-btn{background:none;border:none;color:inherit;padding:0;font:inherit;cursor:pointer;text-decoration:underline;transition:opacity .2s}.username-btn:hover{opacity:.8}#emailModal .modal-content{max-width:400px;text-align:left}#emailModalContent{margin:1.5rem 0}#emailModalContent p{margin:.5rem 0}#emailModalContent strong{color:#ffffffe6}.btn-admin-login{top:20px;left:0%!important}.btn-back{top:20px;left:-20%}.settings-btn{top:10%;right:-50%}.btn-admin-login:hover,.btn-back:hover,.settings-btn:hover,.refresh-btn:hover{background-color:#fff3}.btn-back:hover{transform:translate(-2px)}.settings-btn:hover{transform:rotate(45deg)}.button-group{display:flex;gap:1rem;margin-top:1.5rem;flex-wrap:wrap;justify-content:center;align-items:center;width:100%;max-width:600px;padding:0 1rem}.button-group .btn{flex:1;min-width:200px;max-width:300px}@media (max-width: 480px){.btn-admin-login,.btn-back,.settings-btn,.refresh-btn{padding:10px}.btn-admin-login svg,.btn-back svg,.settings-btn svg .refresh-btn svg{width:20px;height:20px}.button-group{flex-direction:column;gap:.75rem;padding:0 .5rem}.button-group .btn{width:100%;max-width:none}}:root{--primary-color: #1a237e;--secondary-color: #283593;--background-color: #1a237e;--text-color: #ffffff;--success-color: #4caf50;--error-color: #f44336;--modal-background: rgba(26, 35, 126, .9)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;background-color:var(--background-color);color:var(--text-color);min-height:100vh;display:flex;justify-content:center;align-items:center;padding:1rem}.screen{width:100%;max-width:800px;margin:0 auto;padding:1rem;text-align:center;display:flex;flex-direction:column;align-items:center;position:relative}.logo-container{display:flex;flex-direction:column;align-items:center;margin-bottom:2rem}.prebilt-logo{width:200px;height:auto;margin-bottom:1rem}.logo-text{font-size:clamp(2rem,5vw,3.5rem);margin-bottom:.5rem;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.2)}.logo-subtitle{font-size:clamp(1rem,2.5vw,1.2rem);color:#fffc}.login-form{display:flex;flex-direction:column;gap:1.5rem;width:100%;max-width:400px;margin:2rem auto;padding:1.5rem;background:#ffffff1a;border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.form-group{display:flex;flex-direction:column;gap:.5rem;text-align:left;width:100%}.form-group label{font-size:clamp(1rem,2.5vw,1.1rem);color:#ffffffe6}input{padding:.8rem;border-radius:6px;border:2px solid rgba(255,255,255,.2);background:#ffffff1a;color:#fff;font-size:clamp(.9rem,2.5vw,1.1rem);width:100%}input:focus{outline:none;border-color:#fff}.btn{padding:.8em 1.6em;font-size:clamp(.9rem,2.5vw,1.1rem);font-weight:500;border-radius:8px;border:2px solid transparent;cursor:pointer;transition:all .25s ease;text-transform:uppercase;letter-spacing:.5px;width:100%;max-width:300px;margin:0 auto}.btn-primary{background-color:#fff;color:var(--primary-color)}.btn-primary:hover{background-color:#ffffffe6;transform:translateY(-2px)}.btn-secondary{background-color:transparent;border-color:#fff;color:#fff}.btn-secondary:hover{background-color:#ffffff1a;transform:translateY(-2px)}.btn-back{position:absolute;top:20px;left:20px;background:#ffffff1a;border:none;color:#fff;cursor:pointer;padding:12px;border-radius:50%;transition:all .3s ease;z-index:100;display:flex;align-items:center;justify-content:center}.btn-back:hover{background-color:#fff3;transform:translate(-2px)}.btn-back svg{width:24px;height:24px;stroke:currentColor}.settings-btn{position:relative;background:#ffffff1a;border:none;color:#fff;cursor:pointer;padding:12px;border-radius:50%;transition:all .3s ease;z-index:100}.settings-btn:hover{background-color:#fff3;transform:rotate(45deg)}.btn-admin-login{position:absolute;top:0%;left:-40%;background:#ffffff1a;border:none;color:#fff;cursor:pointer;padding:12px;border-radius:50%;transition:all .3s ease;z-index:100;display:flex;align-items:center;justify-content:center}.btn-admin-login:hover{background-color:#fff3}.leaderboard-container{margin:1.5rem 0;background:#ffffff1a;padding:1rem;border-radius:12px;overflow-x:auto;width:100%;max-width:600px}.leaderboard-table{width:100%;border-collapse:collapse;color:#fff;min-width:300px;margin:0 auto}.leaderboard-table th,.leaderboard-table td{padding:.8rem;border-bottom:1px solid rgba(255,255,255,.2);font-size:clamp(.9rem,2.5vw,1.1rem);text-align:center}.leaderboard-table th{text-transform:uppercase;letter-spacing:1px;color:#fffc}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:var(--modal-background);z-index:1000}.modal-content{position:relative;background-color:var(--primary-color);margin:15% auto;padding:1.5rem;border:2px solid rgba(255,255,255,.2);border-radius:12px;width:90%;max-width:500px;animation:modalSlideIn .3s ease-out}.settings-modal{margin:5% auto;max-height:90vh;overflow-y:auto}.admin-login-modal{max-width:400px}.admin-login-form{display:flex;flex-direction:column;gap:1rem}.close-modal{position:absolute;top:1rem;right:1.5rem;color:#fff;font-size:1.5rem;cursor:pointer;transition:color .3s ease}.close-modal:hover{color:#fffc}.sequence-list{display:flex;flex-direction:column;gap:1rem;margin:1rem 0}.sequence-item{display:grid;grid-template-columns:auto 1fr 1fr;gap:.5rem;align-items:center}.position{font-weight:700;padding:.5rem;background:#ffffff1a;border-radius:4px;min-width:2rem;text-align:center}.help-text{font-size:.9rem;color:#ffffffb3;margin-top:.5rem}.error-message{color:var(--error-color);font-size:.9rem;margin-top:.5rem;min-height:1.2rem}.button-group{display:flex;gap:1rem;margin-top:1.5rem;flex-wrap:wrap;justify-content:center;align-items:center}@keyframes modalSlideIn{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.scanner-section{width:100%;max-width:400px;margin:0 auto}.viewport{width:100%;height:150px;border-radius:8px;overflow:hidden;background:#0003;position:relative}.scan-feedback{margin-top:1rem;min-height:24px;font-weight:500}.scan-feedback.success{color:var(--success-color)}.scan-feedback.error{color:var(--error-color)}.expected-barcode{font-size:1.2rem;color:#ffffffe6;margin-bottom:.5rem}.expected-barcode-value{font-size:3rem;font-family:monospace;font-weight:700;color:#fff;margin-bottom:.5rem}.timer-section{margin-bottom:1.3rem;text-align:center}.timer-container{background:#ffffff1a;padding:1rem;border-radius:8px;margin-bottom:1rem}.timer-label{font-size:1.3rem;color:#fffc;margin-bottom:.5rem}.timer-display{font-size:3.5rem;font-weight:700;font-family:monospace}.timer-display.beating-record{color:var(--success-color)}.timer-display.above-record{color:var(--error-color)}@media (max-width: 480px){.screen{padding:.5rem}.button-group{flex-direction:column;align-items:center}.btn{width:100%}.modal-content{margin:10% auto;padding:1rem}.sequence-item{grid-template-columns:auto 1fr}.description-input{grid-column:1 / -1}}.admin-controls{display:flex;gap:1rem;margin-bottom:1rem;justify-content:center}.admin-controls .btn{flex:1;max-width:200px}.refresh-btn{position:relative;right:45%;padding:12px;border-radius:50%;background:#bdbdbd1a;border:none;color:#fff;cursor:pointer;transition:all .3s ease;z-index:100;display:flex;align-items:left;justify-content:center}.refresh-btn:hover{transform:rotate(90deg)}.refresh-btn svg{width:20px;height:20px}