.sidebar-research{background:linear-gradient(180deg,#1a0a3e,#2d1b69)}.publish-layout{display:flex;gap:20px}.pdf-panel{flex:60%;background:var(--bg-card);border-radius:var(--radius-lg);padding:20px}.pdf-panel h3{font-size:var(--font-lg);font-weight:var(--fw-semibold);margin-bottom:12px}.pdf-scroll-area{max-height:520px;overflow-y:auto;background:#f0f0f0;border-radius:8px;border:1px solid var(--border);padding:16px}.pdf-scroll-area::-webkit-scrollbar{width:6px}.pdf-scroll-area::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.pdf-scroll-area::-webkit-scrollbar-thumb:hover{background:#aaa}.pdf-page{background:#fff;border-radius:4px;padding:24px 20px;margin-bottom:16px;box-shadow:0 1px 3px #00000014;min-height:320px}.pdf-page:last-child{margin-bottom:0}.pdf-page-header{font-size:var(--font-lg);font-weight:var(--fw-bold);text-align:center;margin-bottom:16px;color:var(--text-primary)}.pdf-page-subheader{font-size:var(--font-sm);text-align:center;color:var(--text-muted);margin-bottom:20px}.pdf-group-title{font-size:var(--font-md);font-weight:var(--fw-semibold);margin:14px 0 8px;color:var(--text-primary)}.pdf-question{font-size:var(--font-base);color:var(--text-secondary);margin-bottom:10px;padding-left:8px;line-height:1.6}.pdf-answer-area{border:1px dashed #d0d0d0;border-radius:4px;height:36px;margin-bottom:12px;display:flex;align-items:center;justify-content:center;color:#ccc;font-size:var(--font-xs)}.pdf-page-footer{text-align:center;font-size:var(--font-xs);color:#bbb;margin-top:16px;padding-top:8px;border-top:1px solid #eee}.pdf-qr-placeholder{border:1px dashed #ddd;border-radius:4px;padding:4px 8px;font-size:10px;color:#ccc;text-align:center;margin-top:8px}.pdf-meta{display:flex;gap:20px;margin-top:12px;font-size:var(--font-sm);color:var(--text-muted)}.form-panel{flex:40%;background:var(--bg-card);border-radius:var(--radius-lg);padding:20px}.form-panel h3{font-size:var(--font-lg);font-weight:var(--fw-semibold);margin-bottom:16px}.form-group{margin-bottom:18px}.grade-group{margin-bottom:12px}.grade-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:#f8f9fc;border-radius:var(--radius-md);cursor:pointer;user-select:none}.grade-header:hover{background:#eef2fb}.grade-header-left{display:flex;align-items:center;gap:8px;font-size:var(--font-md);font-weight:var(--fw-semibold);color:var(--text-primary)}.grade-header-left .arrow{font-size:10px;color:var(--text-muted);transition:transform .2s}.grade-header-left .arrow.collapsed{transform:rotate(-90deg)}.grade-select-all{font-size:var(--font-sm);color:var(--brand-primary);cursor:pointer}.grade-select-all:hover{text-decoration:underline}.grade-classes{display:flex;gap:10px;flex-wrap:wrap;padding:10px 12px 4px}.grade-classes.hidden{display:none}.class-item{display:flex;align-items:center;gap:5px;font-size:var(--font-md);cursor:pointer;padding:4px 8px;border-radius:var(--radius-sm);transition:background .15s}.class-item:hover{background:#f0f4ff}.paper-summary{background:#f8f9fc;border-radius:var(--radius-md);padding:14px 16px;margin-bottom:18px}.paper-summary-title{font-size:var(--font-sm);font-weight:var(--fw-semibold);color:var(--text-secondary);margin-bottom:10px}.paper-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.summary-item{text-align:center}.summary-item .num{font-size:var(--font-xl);font-weight:var(--fw-bold);color:var(--brand-primary);display:block}.summary-item .label{font-size:var(--font-xs);color:var(--text-muted)}.paper-type-list{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:1px solid var(--border-light)}.paper-type-tag{font-size:var(--font-xs);padding:2px 8px;border-radius:10px;background:var(--info-bg);color:var(--info-text)}.form-error-msg{font-size:var(--font-sm);color:var(--danger);margin-top:4px;display:none}.form-group.has-error .form-input{border-color:var(--danger)}.form-group.has-error .form-error-msg{display:block}.form-group.has-error .grade-group .grade-header{border:1px solid var(--danger)}.char-count.warning{color:var(--warning-text)}.char-count.danger{color:var(--danger)}.toast-success{position:fixed;top:-60px;left:50%;transform:translate(-50%);background:var(--success);color:#fff;padding:12px 28px;border-radius:24px;font-size:var(--font-md);font-weight:var(--fw-semibold);z-index:9999;box-shadow:0 4px 12px #00000026;transition:top .4s cubic-bezier(.175,.885,.32,1.275);display:flex;align-items:center;gap:8px}.toast-success.show{top:60px}