:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#222;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.admin-container{padding:20px;font-family:sans-serif}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.admin-column{border:1px solid #ccc;padding:10px}.round-control{margin-bottom:20px;padding:10px;background:#e3f2fd}.round-control select{margin-left:10px;padding:5px}.round-control button{color:#fff;padding:10px 20px;border:none;cursor:pointer}.start-round-btn{background:#1976d2}.end-round-btn{background:#d32f2f}.question-control{margin-bottom:20px}.ko-round-btn{margin-bottom:10px;background:#d32f2f;color:#fff;padding:5px}.question-item{margin-bottom:10px;padding:10px;border:1px solid #ddd}.question-item.active{background:#e8f5e9}.question-item button{margin-top:5px;color:#fff;padding:5px 10px;border:none;cursor:pointer}.start-question-btn{background:green}.start-question-btn:disabled{background:#ccc}.stop-question-btn{margin-top:10px;background:orange;padding:10px;border:none;cursor:pointer;font-weight:700}.panic-btn{margin-top:10px;margin-left:10px;background:red;color:#fff;padding:10px;border:none;cursor:pointer;font-weight:700}.reset-btn{margin-top:10px;margin-left:10px;background:#444;color:#ccc;padding:5px;border:none;cursor:pointer;font-size:.8rem}.live-status{background:#eee;padding:5px;margin-bottom:10px}.active-question{padding:10px;background:#e8f5e9;border:1px solid green}.show-answers-table{width:100%;text-align:left}.show-answers-table .correct{color:green}.show-answers-table .incorrect{color:red}.group-scores{margin-top:20px;border-top:2px solid #ccc;padding-top:10px}.group-scores-table{width:100%;text-align:left}.reset-scores-btn{margin-top:10px;font-size:.8rem}@media(prefers-color-scheme:dark){.admin-column{border-color:#555}.round-control{background:#333;color:#eee}.question-item{border-color:#555;background:#222}.question-item.active{background:#3a4a3a}.live-status{background:#333}.active-question{background:#3a4a3a;border-color:green}.group-scores{border-top-color:#555}}body,html{margin:0;padding:0;width:100%;height:100%;background-color:#222}#root{width:100%;height:100%}.candidate-wrapper{min-height:100vh;padding:20px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#fff;transition:background-color .5s ease;display:block;flex-direction:column;box-sizing:border-box}.candidate-wrapper.panic-mode{background-color:#b90000;animation:pulse-bg 1s infinite alternate}@keyframes pulse-bg{0%{background-color:#b90000}to{background-color:#8a0000}}.login-container{max-width:400px;margin:50px auto;text-align:center}.input-field{display:block;width:100%;padding:15px;margin-bottom:15px;font-size:1.1rem;border-radius:8px;border:1px solid #555;background:#333;color:#fff;box-sizing:border-box}.btn-main{width:100%;padding:15px;font-size:1.2rem;font-weight:700;background-color:#007bff;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:transform .1s}.btn-main:active{transform:scale(.98)}.header{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.2);margin-bottom:20px}.btn-logout{background:#fff3;color:#fff;border:none;padding:8px 12px;border-radius:4px;cursor:pointer}.status-area{text-align:center;flex-grow:1;display:flex;flex-direction:column;justify-content:center}.status-text{font-size:1.5rem;margin-bottom:20px}.waiting-logo{max-width:250px;width:80%;margin:0 auto;display:block;opacity:.8;animation:float 3s ease-in-out infinite}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;height:50vh;margin-top:20px}.option-btn{font-size:2.5rem;font-weight:700;border:none;border-radius:12px;color:#fff;cursor:pointer;transition:opacity .2s,transform .1s;box-shadow:0 4px #0003}.option-btn:active{transform:translateY(4px);box-shadow:none}.option-btn:disabled{opacity:.4;cursor:not-allowed;filter:grayscale(80%)}.btn-A{background-color:#e21b3c}.btn-B{background-color:#1368ce}.btn-C{background-color:#d89e00}.btn-D{background-color:#26890c}.text-input-wrapper{margin-top:30px;width:100%}.search-input{width:100%;padding:20px;font-size:1.5rem;border-radius:10px;border:2px solid #555;background:#333;color:#fff;margin-bottom:20px;box-sizing:border-box}.search-input:focus{outline:none;border-color:#007bff;background:#444}.btn-submit-text{width:100%;padding:15px;font-size:1.5rem;background-color:#26890c;color:#fff;border:none;border-radius:10px;cursor:pointer}.btn-submit-text:disabled{background-color:#555;cursor:not-allowed;opacity:.7}