*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--blue: #1565C0;--blue-dark: #0D47A1;--blue-light: #E3F2FD;--green: #2E7D32;--green-light: #E8F5E9;--red: #C62828;--red-light: #FFEBEE;--gray: #757575;--gray-light: #F5F5F5;--border: #E0E0E0;--text: #212121;--radius: 8px;--shadow: 0 2px 8px rgba(0,0,0,.12)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:#f9f9f9;min-height:100vh;-webkit-font-smoothing:antialiased}.app-header{background:var(--blue);color:#fff;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}.app-header h1{font-size:1.25rem;font-weight:700;letter-spacing:.01em}.container{max-width:600px;margin:0 auto;padding:20px 16px}.card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:16px}.card h2{font-size:1rem;font-weight:600;color:var(--gray);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}.game-info{display:flex;flex-direction:column;gap:6px}.game-info .game-title{font-size:1.1rem;font-weight:600;color:var(--blue)}.game-detail{font-size:.9rem;color:var(--gray);display:flex;align-items:center;gap:6px}.player-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-top:4px}.player-btn{padding:12px 10px;border-radius:var(--radius);border:2px solid var(--border);background:#fff;cursor:pointer;font-size:.9rem;font-weight:500;text-align:center;transition:all .15s ease;color:var(--text)}.player-btn:hover{border-color:var(--blue);background:var(--blue-light)}.player-btn.checked-in{border-color:var(--green);background:var(--green-light);color:var(--green)}.player-btn.checked-in:after{content:" ✓"}.checkin-list{list-style:none;display:flex;flex-direction:column;gap:8px}.checkin-list li{display:flex;align-items:center;gap:8px;font-size:.95rem;padding:8px 12px;background:var(--green-light);border-radius:var(--radius);color:var(--green);font-weight:500}.checkin-count{font-size:.8rem;color:var(--gray);font-weight:400;margin-left:6px}.empty-state{text-align:center;padding:32px 20px;color:var(--gray)}.empty-state p{margin-top:8px;font-size:.9rem}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.875rem;font-weight:600;margin-bottom:6px;color:var(--gray)}.form-group input,.form-group select{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:1rem;background:#fff;color:var(--text);transition:border-color .15s}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--blue)}.btn{display:inline-block;padding:11px 20px;border-radius:var(--radius);border:none;font-size:.95rem;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-dark)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--gray-light);color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--red-light);color:var(--red)}.btn-full{width:100%}.admin-nav{display:flex;align-items:center;gap:12px}.admin-nav a{color:#fff;text-decoration:none;font-size:.9rem;opacity:.85}.admin-nav a:hover{opacity:1}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-header h2{font-size:1rem;font-weight:600;color:var(--gray);text-transform:uppercase;letter-spacing:.05em;margin-bottom:0}.player-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.player-tag{background:var(--blue-light);color:var(--blue);border-radius:20px;padding:4px 10px;font-size:.85rem;font-weight:500;display:flex;align-items:center;gap:6px}.player-tag button{background:none;border:none;cursor:pointer;color:var(--blue);font-size:1rem;line-height:1;padding:0;opacity:.7}.player-tag button:hover{opacity:1}.player-input-row{display:flex;gap:8px}.player-input-row input{flex:1}.list-item{padding:14px 16px;border:1.5px solid var(--border);border-radius:var(--radius);margin-bottom:8px;background:#fff}.list-item-title{font-weight:600;font-size:.95rem;margin-bottom:4px}.list-item-meta{font-size:.82rem;color:var(--gray)}.error-msg{background:var(--red-light);color:var(--red);padding:10px 14px;border-radius:var(--radius);font-size:.9rem;margin-bottom:16px}.success-msg{background:var(--green-light);color:var(--green);padding:10px 14px;border-radius:var(--radius);font-size:.9rem;margin-bottom:16px}.loading{text-align:center;padding:40px;color:var(--gray)}.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--blue-light);padding:20px}.login-card{background:#fff;border-radius:12px;padding:32px 28px;width:100%;max-width:360px;box-shadow:var(--shadow)}.login-card .logo{text-align:center;margin-bottom:24px}.login-card .logo h1{font-size:1.4rem;color:var(--blue);margin-top:8px}.login-card .logo p{font-size:.85rem;color:var(--gray);margin-top:4px}.tabs{display:flex;gap:4px;margin-bottom:20px;background:var(--gray-light);border-radius:var(--radius);padding:4px}.tab-btn{flex:1;padding:8px;border:none;background:transparent;border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;color:var(--gray);transition:all .15s}.tab-btn.active{background:#fff;color:var(--blue);box-shadow:0 1px 3px #0000001a}.divider{border:none;border-top:1px solid var(--border);margin:20px 0}@media (max-width: 480px){.player-grid{grid-template-columns:repeat(2,1fr)}}