/* V0.8.20-R3: unified document studio and guided exception follow-up */
body.r3-document-workspace .v070-main{max-width:none;width:100%;padding:18px 20px 28px}
.r3-studio-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}
.r3-studio-order-summary{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--text-muted,#667085)}
.r3-studio-order-summary strong{color:var(--text,#182230)}
.r3-document-studio{display:grid;grid-template-columns:minmax(210px,250px) minmax(280px,360px) minmax(520px,1fr);height:calc(100vh - 205px);min-height:660px;border:1px solid var(--border,#dfe3ea);border-radius:16px;background:var(--surface,#fff);overflow:hidden;box-shadow:0 12px 35px rgba(16,24,40,.07)}
.r3-doc-list,.r3-doc-controls,.r3-doc-preview-shell{min-width:0;min-height:0}
.r3-doc-list{border-right:1px solid var(--border,#e2e6ed);padding:14px;overflow:auto;background:var(--surface-muted,#f7f8fa)}
.r3-doc-list-head{display:flex;flex-direction:column;gap:3px;padding:4px 4px 12px}.r3-doc-list-head small{color:var(--text-muted,#667085)}
.r3-doc-item{width:100%;display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:10px;text-align:left;border:1px solid transparent;background:transparent;padding:10px;border-radius:12px;margin-bottom:7px;color:inherit;cursor:pointer}
.r3-doc-item:hover{background:var(--surface,#fff);border-color:var(--border,#dfe3ea)}.r3-doc-item.is-active{background:#eef4ff;border-color:#8fb1ff;box-shadow:0 4px 14px rgba(64,105,200,.12)}
.r3-doc-item.is-disabled{opacity:.55;cursor:not-allowed}.r3-doc-item span:nth-child(2){min-width:0;display:flex;flex-direction:column;gap:2px}.r3-doc-item strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.r3-doc-item small{color:var(--text-muted,#667085)}
.r3-doc-item i{font-style:normal;font-size:11px;padding:3px 6px;border-radius:999px;background:#eaf8ef;color:#087a3e;white-space:nowrap}.r3-doc-item i.is-warn{background:#fff5db;color:#9a6700}
.r3-doc-icon{width:32px;height:32px;border-radius:10px;background:#fff;border:1px solid var(--border,#dfe3ea);display:grid;place-items:center;font-weight:700;color:#315dbe}
.r3-doc-controls{border-right:1px solid var(--border,#e2e6ed);padding:20px;overflow:auto;display:flex;flex-direction:column;gap:16px}
.r3-doc-control-head{display:flex;flex-direction:column;gap:7px}.r3-doc-control-head h2{margin:0;font-size:22px}.r3-doc-control-head p{margin:0;color:var(--text-muted,#667085);line-height:1.6}.r3-doc-control-head .eyebrow{font-size:12px;color:#315dbe;font-weight:700}
.r3-doc-status{display:flex;gap:8px;flex-wrap:wrap}.r3-doc-status span{padding:5px 9px;border-radius:999px;background:#eef4ff;color:#315dbe;font-size:12px}.r3-doc-status span.warn{background:#fff5db;color:#9a6700}
.r3-doc-options{display:grid;grid-template-columns:1fr;gap:10px}.r3-doc-options label{display:flex;flex-direction:column;gap:6px;font-weight:600}.r3-doc-options select{width:100%}
.r3-doc-readiness{border:1px solid var(--border,#dfe3ea);border-radius:12px;padding:13px;background:var(--surface-muted,#fafbfc)}.r3-doc-readiness strong{display:block;margin-bottom:8px}.r3-doc-readiness ul{padding-left:18px;margin:0;color:#9a6700;line-height:1.6}.r3-doc-ready{color:#087a3e;font-size:13px}
.r3-doc-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.r3-doc-actions .btn:first-child{grid-column:1/-1}.r3-doc-actions .btn[aria-disabled="true"]{pointer-events:none;opacity:.45}
.r3-doc-help{margin-top:auto;border-top:1px dashed var(--border,#dfe3ea);padding-top:13px;display:flex;flex-direction:column;gap:5px;color:var(--text-muted,#667085);font-size:13px;line-height:1.6}.r3-doc-help strong{color:var(--text,#182230)}
.r3-doc-preview-shell{display:flex;flex-direction:column;background:#e8ebf0;overflow:hidden}.r3-doc-preview-bar{height:64px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:var(--surface,#fff);border-bottom:1px solid var(--border,#dfe3ea)}.r3-doc-preview-bar>div:first-child{display:flex;flex-direction:column;gap:2px}.r3-doc-preview-bar small{color:var(--text-muted,#667085)}
.r3-doc-preview-frame{width:100%;height:100%;border:0;background:#fff}.r3-doc-preview-shell:fullscreen{background:#d9dde4}.r3-doc-preview-shell:fullscreen .r3-doc-preview-frame{height:calc(100vh - 64px)}
.r3-document-history{margin-top:14px}.r3-document-history summary{cursor:pointer;font-weight:700;padding:4px}
.r3-followup-card{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 14px;border:1px solid #f0c36a;background:#fff8e7;border-radius:12px;margin-top:12px}.r3-followup-card.is-ready{border-color:#8bd3a7;background:#effbf3}.r3-followup-card>div{display:flex;flex-direction:column;gap:3px}.r3-followup-card small{color:var(--text-muted,#667085)}.r3-followup-card span{font-size:13px;color:var(--text-muted,#667085)}
.r3-followup-complete{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-top:10px}.r3-guided-resolution{grid-template-columns:minmax(160px,.7fr) minmax(240px,1.4fr) auto!important;align-items:end}.r3-guided-resolution label{display:flex;flex-direction:column;gap:5px}.r3-auto-followup{grid-column:1/3!important;display:flex!important;flex-direction:row!important;align-items:center!important;font-weight:500!important}.r3-resolution-hint{grid-column:1/3;color:var(--text-muted,#667085);font-size:12px;line-height:1.5}
@media(max-width:1250px){.r3-document-studio{grid-template-columns:210px minmax(280px,340px) minmax(400px,1fr)}}
@media(max-width:980px){body.r3-document-workspace .v070-main{padding:12px}.r3-studio-toolbar{align-items:flex-start;flex-direction:column}.r3-document-studio{height:auto;min-height:0;grid-template-columns:1fr;overflow:visible}.r3-doc-list{display:flex;gap:8px;overflow:auto;border-right:0;border-bottom:1px solid var(--border,#dfe3ea)}.r3-doc-list-head{min-width:180px}.r3-doc-item{min-width:210px;margin:0}.r3-doc-controls{border-right:0;border-bottom:1px solid var(--border,#dfe3ea)}.r3-doc-preview-shell{height:72vh;min-height:520px}.r3-guided-resolution{grid-template-columns:1fr!important}.r3-auto-followup,.r3-resolution-hint{grid-column:1!important}.r3-followup-card{align-items:flex-start;flex-direction:column}.r3-followup-complete{grid-template-columns:1fr}}
/* R6.5 clean paper-only embedded preview */
.r3-doc-preview-shell{position:relative}
.r3-doc-preview-frame{flex:1;min-height:0;height:auto;background:#e8ebf0}
.r3-doc-preview-bar .btn.is-active{background:#315dbe;color:#fff;border-color:#315dbe}
.r65-preview-loading{position:absolute;inset:64px 0 0;z-index:4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:rgba(232,235,240,.94);color:#344054}
.r65-preview-loading[hidden]{display:none}
.r65-preview-loading span{width:34px;height:34px;border:3px solid #cbd5e1;border-top-color:#315dbe;border-radius:50%;animation:r65-preview-spin .8s linear infinite}
@keyframes r65-preview-spin{to{transform:rotate(360deg)}}
.r3-doc-preview-shell:fullscreen .r3-doc-preview-bar{height:64px}
.r3-doc-preview-shell:fullscreen .r65-preview-loading{inset:64px 0 0}