html{background:var(--bg)}body.admin-page-theme{--accent-primary: var(--pri);--accent-secondary: var(--sec);--text-dark: var(--text);--text-light: var(--t2);--text-muted: var(--t3);--glass-bg: var(--surface);--glass-border: var(--border);--glass-shadow: 0 8px 32px rgba(0,0,0,.08);--panel-bg: var(--surface);background:var(--bg);color:var(--text);font-family:Nunito,Noto Sans Thai,system-ui,sans-serif}body.admin-page-theme h1,body.admin-page-theme h2,body.admin-page-theme h3,body.admin-page-theme h4{font-family:Nunito,Noto Sans Thai,system-ui,sans-serif;color:var(--text)}button{background:var(--grad-btn);color:#fff;box-shadow:0 4px 15px var(--shadow-pri);font-family:Nunito,Noto Sans Thai,system-ui,sans-serif}button:hover{background:var(--grad-btn);filter:brightness(1.06);box-shadow:0 6px 20px var(--shadow-pri)}body.admin-page-theme input,body.admin-page-theme select,body.admin-page-theme textarea{background:var(--surface);border-color:var(--border);color:var(--text);font-family:Nunito,Noto Sans Thai,system-ui,sans-serif}body.admin-page-theme input:focus,body.admin-page-theme select:focus,body.admin-page-theme textarea:focus{border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-s)}body.admin-page-theme input::placeholder{color:var(--t3)}.qr-area{text-align:center;margin-top:30px}#qrcode img{margin:0 auto;border:10px solid white;border-radius:10px}.timer{font-size:1.2rem;color:red;font-weight:700}.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.admin-login-box{max-width:400px;margin:0 auto}.admin-login-input{margin-bottom:10px;width:100%;padding:10px;box-sizing:border-box}.remember-label{color:var(--text-light);font-size:.95rem;display:flex;align-items:center;gap:8px;cursor:pointer}.remember-checkbox{width:auto;margin:0;cursor:pointer}.activity-card{background:#ffffffa6;padding:15px;margin-bottom:15px;border-radius:8px;border:1px solid var(--glass-border)}.activity-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.activity-card-name{color:var(--accent-primary);font-size:1rem}.activity-card-km{background:#94a3b826;padding:4px 8px;border-radius:6px;font-size:.85rem;color:var(--text-muted)}.activity-card-actions{display:flex;gap:8px;flex-wrap:wrap}.btn-action{padding:8px 12px;font-size:.8rem;width:auto;flex-grow:1}.btn-edit{background:var(--accent-secondary)}.btn-delete{background:var(--accent-danger)}.btn-cancel-edit{background:#64748b26;border:1px solid rgba(100,116,139,.3);color:var(--text-light)}.qr-display-row{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}.qr-box{background:#fff;padding:10px;border-radius:10px;display:inline-block}.qr-close-btn{max-width:300px;margin:0 auto}.cert-list-item{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 14px;background:var(--glass-bg, rgba(255, 255, 255, .9));border:1px solid var(--glass-border, rgba(0, 0, 0, .08));border-radius:10px;margin-bottom:8px}.cert-list-item>span:first-child{flex:1 1 60%;min-width:0}.cert-list-label{font-weight:600}.cert-actions{display:flex;gap:6px;flex-shrink:0}.cert-editing{outline:2px solid var(--accent-primary);outline-offset:-1px}.cert-controls{display:flex;flex-wrap:wrap;gap:14px;margin:12px 0 16px;padding:14px 16px;background:#ffffff8c;border:1px solid var(--glass-border, rgba(0, 0, 0, .08));border-radius:12px}.cert-controls label{display:flex;flex-direction:column;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted);gap:5px}.cert-controls input,.cert-controls select{margin-bottom:0;padding:9px 11px;font-size:.92rem}.cert-controls input[type=number]{width:96px}.cert-controls input[type=color]{width:48px;height:38px;padding:3px;cursor:pointer}.cert-sliders{display:flex;flex-direction:column;gap:14px;margin:14px 0 16px}.cert-slider-field{display:flex;flex-direction:column;gap:6px}.csf-head{display:flex;justify-content:space-between;align-items:baseline;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted)}.csf-head b{color:var(--accent-primary);font-size:.85rem}.slider-combo{display:flex;align-items:center;gap:12px}.slider-combo input[type=range]{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto;accent-color:var(--accent-primary);flex:1;min-width:0;height:34px;margin:0;padding:0;background:transparent;border:none;box-shadow:none;cursor:pointer}.slider-combo input[type=range]:focus{outline:none;box-shadow:none}.slider-combo input[type=number]{width:72px;flex-shrink:0;margin:0;padding:9px 10px;text-align:center}.cert-preview-wrap{margin:12px 0;text-align:center}.cert-preview-canvas{max-width:100%;height:auto;border-radius:10px;border:1px solid var(--glass-border, rgba(0, 0, 0, .08));box-shadow:0 4px 16px #0000001a}.cert-preview-hint{font-size:.85rem;color:var(--text-muted);padding:24px;border:1px dashed var(--glass-border, rgba(0, 0, 0, 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140px;min-width:0;margin-bottom:0}.lb-scope-label{font-size:.85rem;color:var(--text-muted);margin:4px 0 12px}.lb-table{width:100%;border-collapse:collapse;font-size:.88rem}.lb-table th,.lb-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--glass-border, rgba(0,0,0,.08))}.lb-table th{font-size:.72rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.lb-table tbody tr:hover{background:#00000008}.lb-email{color:var(--text-muted);word-break:break-all}.lb-points{font-weight:700;text-align:right;color:var(--accent-primary)}.lb-table th:last-child{text-align:right}.upload-row{display:flex;gap:8px;align-items:stretch;margin-bottom:20px}.upload-row input{flex:1;min-width:0;margin-bottom:0}.upload-btn{width:auto;flex-shrink:0;margin:0;padding:0 16px;white-space:nowrap;align-self:stretch;flex-grow:0}input.drag-over{outline:2px dashed 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