:root{--christmas-red: #c41e3a;--christmas-red-dark: #a01830;--christmas-green: #165b33;--christmas-green-dark: #0f4025;--christmas-gold: #f8b229;--christmas-gold-dark: #e0a020;--christmas-cream: #faf3e0;--christmas-white: #ffffff;--text-dark: #2d3436;--text-light: #636e72}*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;background:linear-gradient(135deg,var(--christmas-green) 0%,var(--christmas-red) 100%);min-height:100vh;color:var(--text-dark)}#root{min-height:100vh}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s;min-height:44px}.btn-primary{background:var(--christmas-red);color:#fff}.btn-primary:hover{background:var(--christmas-red-dark);transform:translateY(-1px)}.btn-primary:disabled{background:#ccc;cursor:not-allowed;transform:none}.btn-secondary{background:var(--christmas-green);color:#fff}.btn-secondary:hover{background:var(--christmas-green-dark);transform:translateY(-1px)}.input{padding:12px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;transition:border-color .3s;width:100%;min-height:44px}.input:focus{outline:none;border-color:var(--christmas-red)}.error{background:#f8d7da;color:#721c24;padding:12px;border-radius:8px;text-align:center}.copy-feedback{background:var(--christmas-green);color:#fff;padding:12px 20px;border-radius:8px;text-align:center;margin-bottom:15px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.setup-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;z-index:1}.setup-card{background:var(--christmas-cream);padding:40px;border-radius:16px;box-shadow:0 8px 32px #0003;max-width:550px;width:100%;border:3px solid var(--christmas-gold)}.setup-card h1{margin:0 0 10px;color:var(--christmas-green);text-align:center;font-size:1.8rem}.subtitle{text-align:center;color:var(--text-light);margin-bottom:30px}.name-input-group{display:flex;gap:10px;margin-bottom:10px}.btn-primary{margin-top:20px}.btn-remove{padding:8px 12px;background:var(--christmas-red);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:18px;line-height:1;min-width:44px;min-height:44px;transition:background .3s}.btn-remove:hover{background:var(--christmas-red-dark)}.credentials-box{background:#fff;padding:20px;border-radius:12px;margin:20px 0;max-height:400px;overflow-y:auto;border:2px solid rgba(22,91,51,.2)}.credential-item{padding:8px 0;border-bottom:1px solid #e0e0e0;font-family:Courier New,monospace}.credential-item:last-child{border-bottom:none}.credential-item-link{padding:15px 0;border-bottom:1px solid #e0e0e0}.credential-item-link:last-child{border-bottom:none}.cred-header{margin-bottom:10px;font-size:16px;color:var(--christmas-green);display:flex;flex-direction:column;gap:5px}.cred-password{font-size:13px;color:var(--text-light);display:flex;align-items:center;gap:8px;flex-wrap:wrap}.cred-password code{background:#c41e3a1a;padding:2px 8px;border-radius:4px;font-family:Courier New,monospace;color:var(--christmas-red)}.btn-copy-tiny{padding:4px 8px;background:var(--christmas-green);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:12px;transition:background .3s}.btn-copy-tiny:hover{background:var(--christmas-green-dark)}.link-container{display:flex;gap:8px}.link-input{flex:1;padding:10px 12px;border:2px solid #e0e0e0;border-radius:8px;font-family:Courier New,monospace;font-size:12px;color:var(--text-light);background:#fff;min-width:0}.btn-copy-small{padding:10px 16px;background:var(--christmas-green);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:16px;transition:background .3s;min-width:44px}.btn-copy-small:hover{background:var(--christmas-green-dark)}.success-message{text-align:center;color:var(--christmas-green);font-weight:500;margin-bottom:10px}.warning{text-align:center;color:var(--christmas-red);font-size:14px;margin:15px 0;padding:10px;background:#c41e3a1a;border-radius:8px}@media(max-width:768px){.setup-card{padding:25px}.setup-card h1{font-size:1.5rem}.link-input{font-size:11px}}@media(max-width:480px){.setup-card{padding:20px;margin:10px}.setup-card h1{font-size:1.3rem}.cred-header{font-size:14px}.link-container{flex-direction:column}.link-input,.btn-copy-small{width:100%}.credentials-box{padding:15px}}@media(max-width:320px){.setup-card{padding:15px}.name-input-group{flex-direction:column}.btn-remove{width:100%}}.countdown{text-align:center;padding:15px;background:#ffffff26;border-radius:12px;margin-bottom:20px;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.countdown-label{display:block;font-size:14px;color:#165b33;margin-bottom:10px;font-weight:500}.countdown-message{font-size:24px;font-weight:700;color:#c41e3a}.countdown-timer{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.countdown-unit{display:flex;flex-direction:column;align-items:center;min-width:60px;padding:8px 12px;background:#c41e3a1a;border-radius:8px}.countdown-value{font-size:24px;font-weight:700;color:#c41e3a;line-height:1}.countdown-unit-label{font-size:11px;color:#165b33;text-transform:uppercase;margin-top:4px}@media(max-width:480px){.countdown-timer{gap:6px}.countdown-unit{min-width:50px;padding:6px 8px}.countdown-value{font-size:20px}.countdown-unit-label{font-size:10px}}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;z-index:1}.login-card{background:var(--christmas-cream);padding:40px;border-radius:16px;box-shadow:0 8px 32px #0003;max-width:420px;width:100%;border:3px solid var(--christmas-gold)}.login-card h1{margin:0 0 15px;color:var(--christmas-green);text-align:center;font-size:2rem}.subtitle{text-align:center;color:var(--text-light);margin-bottom:25px}.login-card form{display:flex;flex-direction:column;gap:15px}@media(max-width:480px){.login-card{padding:25px;margin:10px;border-radius:12px}.login-card h1{font-size:1.6rem}.subtitle{font-size:14px}}@media(max-width:320px){.login-card{padding:20px 15px}.login-card h1{font-size:1.4rem}}.assignment-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;z-index:1}.assignment-card{background:var(--christmas-cream);padding:40px;border-radius:16px;box-shadow:0 8px 32px #0003;max-width:500px;width:100%;text-align:center;border:3px solid var(--christmas-gold)}.assignment-card h1{margin:0 0 15px;color:var(--christmas-green);font-size:2rem}.welcome{color:var(--text-light);margin-bottom:25px;font-size:18px}.welcome strong{color:var(--christmas-green)}.assignment-box{background:linear-gradient(135deg,var(--christmas-red) 0%,var(--christmas-red-dark) 100%);padding:40px;border-radius:16px;margin:25px 0;box-shadow:0 8px 24px #c41e3a66;transition:transform .5s ease,opacity .5s ease}.assignment-box.hidden{opacity:0;transform:scale(.9)}.assignment-box.revealed{opacity:1;transform:scale(1);animation:reveal .6s ease-out}@keyframes reveal{0%{opacity:0;transform:scale(.8) rotateY(90deg)}50%{transform:scale(1.05) rotateY(0)}to{opacity:1;transform:scale(1) rotateY(0)}}.assignment-label{color:#ffffffe6;margin:0 0 15px;font-size:14px;text-transform:uppercase;letter-spacing:2px}.assignment-name{color:#fff;margin:0;font-size:2rem;font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.3)}.reminder{color:var(--text-light);font-size:14px;font-style:italic;margin:20px 0;padding:15px;background:#165b331a;border-radius:8px}.btn-secondary{margin-top:10px}@media(max-width:768px){.assignment-card{padding:30px}.assignment-card h1{font-size:1.6rem}.assignment-box{padding:30px}.assignment-name{font-size:1.6rem}}@media(max-width:480px){.assignment-card{padding:20px;margin:10px}.assignment-card h1{font-size:1.4rem}.welcome{font-size:16px}.assignment-box{padding:25px 20px;margin:20px 0}.assignment-name{font-size:1.4rem}.assignment-label{font-size:12px;letter-spacing:1px}}@media(max-width:320px){.assignment-card{padding:15px}.assignment-card h1,.assignment-name{font-size:1.2rem}}.credentials-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;z-index:1}.credentials-card{background:var(--christmas-cream);padding:40px;border-radius:16px;box-shadow:0 8px 32px #0003;max-width:500px;width:100%;text-align:center;border:3px solid var(--christmas-gold)}.credentials-card h1{margin:0 0 20px;color:var(--christmas-green);font-size:1.8rem}.welcome-section{margin:30px 0}.welcome-greeting{font-size:1.8rem;color:var(--christmas-green);margin:0 0 10px}.user-highlight{color:var(--christmas-red);font-weight:700}.welcome-message{font-size:1.2rem;color:var(--text-light);margin:0}.gift-animation{font-size:5rem;margin:30px 0;animation:bounce 1s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.reveal-btn{font-size:1.2rem;padding:18px 40px;margin:20px 0;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:0 4px 15px #c41e3a66}50%{box-shadow:0 4px 30px #c41e3ab3}}.reveal-btn:hover{animation:none;transform:scale(1.05)}.reveal-btn:disabled{animation:none}.hint-text{color:var(--text-light);font-size:14px;margin-top:15px;font-style:italic}.error-box{text-align:center;padding:20px}.error-box h2{color:var(--christmas-red);margin-bottom:15px}.error-box p{color:var(--text-light);margin-bottom:30px;font-size:16px}.btn{width:100%;min-height:44px}.loading{text-align:center;color:var(--text-light);padding:40px;font-size:18px}@media(max-width:768px){.credentials-card{padding:30px}.credentials-card h1,.welcome-greeting{font-size:1.5rem}.welcome-message{font-size:1.1rem}.gift-animation{font-size:4rem}.reveal-btn{font-size:1rem;padding:15px 30px}}@media(max-width:480px){.credentials-card{padding:20px;margin:10px}.credentials-card h1,.welcome-greeting{font-size:1.3rem}.welcome-message{font-size:1rem}.gift-animation{font-size:3.5rem;margin:20px 0}.reveal-btn{font-size:.95rem;padding:14px 24px}}@media(max-width:320px){.credentials-card{padding:15px}.credentials-card h1{font-size:1.2rem}.welcome-greeting{font-size:1.1rem}.gift-animation{font-size:3rem}}.admin-container{min-height:100vh;padding:20px;position:relative;z-index:1}.admin-card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 6px #0000001a;max-width:900px;margin:0 auto}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:10px}.admin-header h1{margin:0;color:#165b33}.admin-section{margin-bottom:30px;padding:20px;background:#f8f9fa;border-radius:8px}.admin-section h2{margin:0 0 15px;color:#165b33;font-size:1.2rem}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.section-header h2{margin:0}.health-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px}.health-item{display:flex;flex-direction:column;padding:12px;background:#fff;border-radius:8px;text-align:center}.health-label{font-size:12px;color:#666;margin-bottom:5px}.health-status,.health-value{font-weight:600;font-size:14px}.status-ok,.status-connected{color:#165b33}.status-error{color:#c41e3a}.stats-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:20px}.stat-box{display:flex;flex-direction:column;align-items:center;padding:15px;background:#fff;border-radius:8px;text-align:center}.stat-value{font-size:2rem;font-weight:700;color:#c41e3a}.stat-label{font-size:12px;color:#666;margin-top:5px}.users-table-container{overflow-x:auto}.users-table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden}.users-table th,.users-table td{padding:12px;text-align:left;border-bottom:1px solid #eee}.users-table th{background:#165b33;color:#fff;font-weight:600;font-size:13px}.users-table tr:hover{background:#f8f9fa}.users-table tr.logged-in{background:#165b330d}.users-table tr.not-logged-in{background:#c41e3a0d}.user-name{font-weight:500}.actions-cell{display:flex;gap:5px}.reset-result{background:#d4edda;border:1px solid #c3e6cb}.reset-result h3{margin:0 0 10px;color:#165b33}.new-cred-link{display:flex;gap:10px}.new-cred-link .input{flex:1}.danger-zone{background:#fff3f3;border:1px solid #ffcccc}.danger-zone h2{color:#c41e3a}.danger-warning{color:#666;font-size:14px;margin-bottom:15px}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s}.btn-small{padding:8px 12px;font-size:12px}.btn-primary{background:#c41e3a;color:#fff}.btn-primary:hover{background:#a01830}.btn-secondary{background:#165b33;color:#fff}.btn-secondary:hover{background:#0f4025}.btn-warning{background:#f8b229;color:#333}.btn-warning:hover{background:#e0a020}.btn-danger{background:#c41e3a;color:#fff}.btn-danger:hover{background:#a01830}.btn-danger-extreme{background:#1a1a1a;color:#f44;border:2px solid #ff4444}.btn-danger-extreme:hover{background:#f44;color:#fff}.danger-buttons{display:flex;flex-direction:column;gap:12px}.error{background:#f8d7da;color:#721c24;padding:12px;border-radius:8px;margin-bottom:15px}.success{background:#d4edda;color:#155724;padding:12px;border-radius:8px;margin-bottom:15px}.loading{text-align:center;padding:40px;color:#666}@media(max-width:768px){.admin-card,.admin-section{padding:15px}.stats-summary{grid-template-columns:repeat(3,1fr);gap:10px}.stat-value{font-size:1.5rem}.users-table th,.users-table td{padding:8px;font-size:13px}.actions-cell,.new-cred-link{flex-direction:column}}@media(max-width:480px){.admin-header{flex-direction:column;align-items:flex-start}.health-grid{grid-template-columns:repeat(2,1fr)}.stats-summary{grid-template-columns:1fr}}.snowfall{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1000;overflow:hidden}.snowflake{position:absolute;top:-20px;background:#fff;border-radius:50%;box-shadow:0 0 10px #fffc;animation:snowfall linear infinite}@keyframes snowfall{0%{transform:translateY(-20px) rotate(0)}to{transform:translateY(100vh) rotate(360deg)}}.snowflake:nth-child(odd){animation-name:snowfall-drift-left}.snowflake:nth-child(2n){animation-name:snowfall-drift-right}@keyframes snowfall-drift-left{0%{transform:translateY(-20px) translate(0) rotate(0)}50%{transform:translateY(50vh) translate(-30px) rotate(180deg)}to{transform:translateY(100vh) translate(0) rotate(360deg)}}@keyframes snowfall-drift-right{0%{transform:translateY(-20px) translate(0) rotate(0)}50%{transform:translateY(50vh) translate(30px) rotate(180deg)}to{transform:translateY(100vh) translate(0) rotate(360deg)}}@media(prefers-reduced-motion:reduce){.snowflake{animation:none;opacity:.3}}