*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #2563EB;--primary-dark: #1D4ED8;--success: #16A34A;--warning: #CA8A04;--danger: #DC2626;--gray-50: #F9FAFB;--gray-100: #F3F4F6;--gray-200: #E5E7EB;--gray-300: #D1D5DB;--gray-500: #6B7280;--gray-700: #374151;--gray-900: #111827;--radius: 12px;--radius-sm: 8px}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:Noto Sans Thai,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--gray-50);color:var(--gray-900);line-height:1.5;min-height:100vh;overflow-x:hidden}#app{max-width:480px;margin:0 auto;min-height:100vh}.page{padding:16px 16px 32px}.page-header{display:flex;align-items:center;gap:12px;padding:16px;background:var(--primary);color:#fff}.page-header h1{font-size:1.125rem;font-weight:600}.page-title{font-size:1.25rem;font-weight:700;margin-bottom:16px}.card{background:#fff;border-radius:var(--radius);box-shadow:0 1px 3px #00000014;overflow:hidden}.card+.card{margin-top:12px}.card-header{padding:12px 16px;color:#fff;font-weight:600;font-size:.875rem}.card-body{padding:16px}.card-footer{padding:12px 16px;border-top:1px solid var(--gray-100);display:flex;gap:8px}.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:.75rem;font-weight:600}.badge-submitted{background:#dbeafe;color:#1e40af}.badge-reviewed{background:#d1fae5;color:#065f46}.badge-pending{background:#fef3c7;color:#92400e}.badge-overdue{background:#fee2e2;color:#991b1b}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s,opacity .15s;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-secondary{background:var(--gray-100);color:var(--gray-700)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:.8125rem}.btn-full{width:100%}.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.875rem;font-weight:600;color:var(--gray-700);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border:1.5px solid var(--gray-200);border-radius:var(--radius-sm);font-size:1rem;font-family:inherit;background:#fff;color:var(--gray-900);transition:border-color .15s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-textarea{resize:vertical;min-height:80px}.upload-zone{border:2px dashed var(--gray-300);border-radius:var(--radius);padding:32px 16px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}.upload-zone:hover{border-color:var(--primary);background:#eff6ff}.upload-zone.has-file{border-color:var(--success);border-style:solid}.upload-zone input[type=file]{display:none}.upload-preview{max-width:100%;max-height:200px;border-radius:var(--radius-sm);margin-top:12px}.status-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0}.status-row+.status-row{border-top:1px solid var(--gray-100)}.info-pair{display:flex;gap:8px;margin-bottom:8px;font-size:.875rem}.info-pair .label{color:var(--gray-500);flex-shrink:0;width:80px}.info-pair .value{color:var(--gray-900);font-weight:500}.tabs{display:flex;border-bottom:2px solid var(--gray-200);margin-bottom:16px}.tab{flex:1;padding:10px;text-align:center;font-size:.875rem;font-weight:600;color:var(--gray-500);border:none;background:transparent;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;font-family:inherit}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.loading{display:flex;justify-content:center;align-items:center;padding:48px 16px;color:var(--gray-500)}.spinner{width:32px;height:32px;border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-right:12px}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:48px 16px;color:var(--gray-500)}.empty-state-icon{font-size:2.5rem;margin-bottom:12px}.error-message{background:#fee2e2;color:#991b1b;padding:12px 16px;border-radius:var(--radius-sm);font-size:.875rem;margin-bottom:16px}.success-message{background:#d1fae5;color:#065f46;padding:12px 16px;border-radius:var(--radius-sm);font-size:.875rem;margin-bottom:16px}.child-list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.child-card{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#fff;border-radius:var(--radius);box-shadow:0 1px 3px #00000014;cursor:pointer;transition:background .15s;border:none;width:100%;text-align:left;font-family:inherit;font-size:1rem}.child-card:hover{background:var(--gray-50)}.child-card.active{border-left:3px solid var(--primary)}.child-avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.125rem;flex-shrink:0}.score-display{font-size:1.5rem;font-weight:700;color:var(--primary)}.due-date{font-size:.8125rem;color:var(--danger);font-weight:500}.due-date.ok{color:var(--gray-500)}.nav-bottom{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:#fff;border-top:1px solid var(--gray-200);display:flex;padding:8px 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var(--gray-200);background:#fff;color:var(--gray-500);cursor:pointer;font-family:inherit}.sub-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.checkbox-group{display:flex;flex-wrap:wrap;gap:8px}.checkbox-label{display:flex;align-items:center;gap:6px;padding:6px 12px;border:1.5px solid var(--gray-200);border-radius:var(--radius-sm);font-size:.8125rem;cursor:pointer;background:#fff}.checkbox-label.checked{border-color:var(--primary);background:#eff6ff;color:var(--primary)}.checkbox-label input[type=checkbox]{margin:0}.badge-draft{background:var(--gray-100);color:var(--gray-700)}.badge-returned{background:#fef3c7;color:#92400e}.code-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--gray-100);font-size:.875rem}.code-item:last-child{border-bottom:none}