/* Shared desktop mail anatomy. No vendor artwork; one muted blue accent. */
.ol{--ol-accent:#2b5d9e;display:grid;grid-template-columns:150px 260px minmax(0,1fr) 300px;grid-template-rows:36px minmax(0,1fr);background:var(--paper);color:var(--on-paper);border:1px solid var(--line-paper);border-radius:8px;overflow:hidden;text-align:left;font:13px/1.4 "Segoe UI",var(--body)}
.ol>*{min-width:0}
.ol-top{grid-column:1/-1;display:flex;align-items:center;gap:12px;padding:6px 12px;background:var(--paper-2);border-bottom:1px solid var(--line-paper);color:var(--on-paper-2);font-size:11px}
.ol-mailmark{display:flex;color:var(--ol-accent)}
.ol-search{background:var(--paper);border:1px solid var(--line-paper);border-radius:3px;flex:1;padding:3px 9px;max-width:340px}
.ol-account{margin-left:auto;font:9px/1.5 var(--mono);white-space:nowrap}
.ol-folders{display:flex;flex-direction:column;gap:4px;padding:12px 6px;background:var(--paper-2);border-right:1px solid var(--line-paper);font-size:12px}
.ol-folders>b,.ol-folders>span{padding:7px 9px}
.ol-folders>b{color:var(--ol-accent);background:var(--paper)}
.ol-messages{background:var(--paper);border-right:1px solid var(--line-paper);min-width:0}
.ol-listhead{display:flex;justify-content:space-between;gap:6px;align-items:center;padding:11px 12px;border-bottom:1px solid var(--line-paper);font-weight:600;font-size:12px}
.ol-count{color:var(--on-paper-2);font:10px var(--mono)}
.ol-list{list-style:none;margin:0;padding:0;min-width:0}
.ol-item{position:relative;padding:11px 12px;border-bottom:1px solid var(--line-paper);border-left:3px solid transparent;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:3px 6px;min-width:0;color:var(--on-paper);font:12px/1.4 "Segoe UI",var(--body);text-align:left}
.ol-item:has(>button){padding:0}
.ol-item>button{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:3px 6px;width:100%;padding:11px 9px;text-align:left;font:inherit;color:inherit}
.ol-item.is-selected{border-left-color:var(--ol-accent);background:var(--paper-2)}
.ol-item.is-unread .ol-sender,.ol-item.is-unread .ol-subject{font-weight:600}
.ol-item.is-unread::before{content:"";position:absolute;left:3px;top:16px;width:4px;height:4px;background:var(--ol-accent);border-radius:50%}
.ol-sender{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.ol-item time{font:9px/1.6 var(--mono);color:var(--on-paper-2)}
.ol-subject,.ol-preview{grid-column:1/-1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.ol-preview{font-size:11px;color:var(--on-paper-2)}
.ol-item:hover,.ol-item:has(.is-hover){background:var(--paper-2)}
.ol-read{padding:15px;min-width:0;background:var(--paper)}
.ol-read h4{font-size:15px;line-height:1.3;font-weight:600;margin:0 0 14px;overflow-wrap:anywhere}
.ol-from{display:flex;gap:7px;align-items:center;font-size:11px}
.ol-avatar{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--paper-2);font:9px var(--mono);flex:none}
.ol-from b{font-weight:500;display:block}
.ol-from>div>span{display:block;font-size:10px;color:var(--on-paper-2);margin-top:2px}
.ol-body{font-size:14.5px;line-height:1.5;margin-top:17px;overflow-wrap:anywhere}
.ol-attachments{font:10px/1.5 var(--mono);border:1px solid var(--line-paper);border-radius:4px;padding:5px 7px;margin-top:15px;overflow-wrap:anywhere}
.ol-sent{font:10px/1.5 var(--mono);margin-top:18px;border-top:1px solid var(--line-paper);padding-top:9px;color:var(--ol-accent)}
.ol-addin{border-left:1px solid var(--line-paper);background:var(--paper-2);min-width:0}
.ol-addin>header{display:flex;gap:6px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--line-paper);font:600 13px/1.3 var(--body)}
.ol-addin>header>span{font-size:18px;line-height:1}
.ol-addin-body{padding:10px 12px;display:grid;gap:10px}
.ol-label{font:500 9px/1.5 var(--mono);color:var(--on-paper-2);letter-spacing:.05em;margin:0 0 5px;text-transform:uppercase}
.ol-field{font-size:11px;line-height:1.35;padding:3px 0}
.ol-field b{display:block;font-weight:500}
.ol-field q{display:block;color:var(--on-paper-2);font-size:10px}
.ol .hd-draft{background:var(--paper);border:1px solid var(--line-paper);border-radius:4px;padding:9px;min-height:94px}
.ol .hd-draft p{font-size:12px;line-height:1.45}
.ol-reason{min-height:54px}
.ol-reason p{font-size:10.5px;line-height:1.4;color:var(--on-paper-2)}
.ol-actions{display:flex;gap:6px;align-items:center}
.ol-approve{background:var(--ol-accent);color:#fff;padding:8px 10px;border-radius:4px;font:500 11px/1.4 "Segoe UI",var(--body);min-height:34px;flex:1}
.ol-edit{font:11px/1.4 "Segoe UI",var(--body);padding:8px 4px;min-height:34px;color:var(--on-paper-2)}
.ol-approve:hover,.ol-approve.is-hover{box-shadow:inset 0 0 0 2px #fff5}
.ol button.is-pressed{transform:scale(.97)}
.ol button:focus-visible{outline:2px solid var(--ol-accent);outline-offset:-2px}
/* A compact embedded demo has less space than a full desktop mail window. */
.ol[data-density="compact"]{grid-template-columns:72px 116px minmax(0,1fr) 250px;grid-template-rows:34px minmax(0,1fr);min-height:350px}
.ol[data-density="compact"] .ol-folders{font-size:9px;padding:10px 3px}
.ol[data-density="compact"] .ol-folders>b,.ol[data-density="compact"] .ol-folders>span{padding:7px 5px}
.ol[data-density="compact"] .ol-item{font-size:11px;padding:10px 8px}
.ol[data-density="compact"] .ol-item:has(>button){padding:0}
.ol[data-density="compact"] .ol-item>button{padding:10px 7px}
.ol[data-density="compact"] .ol-sender{grid-column:1/-1}
.ol[data-density="compact"] .ol-item time{grid-row:2;grid-column:2}
.ol[data-density="compact"] .ol-item:has(time) .ol-subject{grid-row:2;grid-column:1}
.ol[data-density="compact"] .ol-preview{font-size:10px}
.ol[data-density="compact"] .ol-read{padding:12px}
.ol[data-density="compact"] .ol-read h4{font-size:13px}
@media(min-width:761px){
 .ol[data-density="compact"] .ol-addin>header{padding:7px 12px}
 .ol[data-density="compact"] .ol-addin-body{padding:8px 12px;gap:6px}
 .ol[data-density="compact"] .ol-field{padding:1px 0;line-height:1.2}
 .ol[data-density="compact"] .hd-draft{min-height:78px;padding:8px}
 .ol[data-density="compact"] .ol-reason{min-height:43px}
}
@media(max-width:1100px){.ol{grid-template-columns:220px minmax(0,1fr) 280px}.ol-folders{display:none}}
@media(max-width:760px){
 .ol,.ol[data-density="compact"]{grid-template-columns:minmax(0,1fr);grid-template-rows:auto;min-height:0}
 .ol-top{padding:8px 10px}.ol-account{font-size:8px}.ol-mailmark{display:none}
 .ol-messages{border-right:0;border-bottom:1px solid var(--line-paper)}
 .ol-listhead{padding:8px 12px}.ol-background{display:none}
 .ol[data-density="compact"] .ol-item>button{padding:9px 12px;grid-template-columns:minmax(0,1fr) auto}
 .ol[data-density="compact"] .ol-sender{grid-column:1}.ol[data-density="compact"] .ol-item time{grid-column:2;grid-row:1}
 .ol[data-density="compact"] .ol-item:has(time) .ol-subject{grid-row:2;grid-column:1/-1}
 .ol-sent-row{display:none}
 .ol-read,.ol[data-density="compact"] .ol-read{padding:15px;min-height:220px}
 .ol-body{margin-top:12px}
 .ol-addin{border-left:0;border-top:1px solid var(--line-paper);border-radius:12px 12px 0 0;position:relative}
 .ol-addin::before{content:"";position:absolute;top:5px;left:calc(50% - 14px);height:3px;width:28px;border-radius:3px;background:var(--line-paper)}
 .ol-addin>header{padding:15px 15px 10px}.ol-addin-body{padding:12px 15px;gap:12px}
 .ol-field{font-size:12px}.ol-field q{font-size:11px}.ol .hd-draft{min-height:92px}.ol .hd-draft p{font-size:13px}
 .ol-reason{min-height:50px}.ol-reason p{font-size:12px}.ol-approve,.ol-edit{min-height:44px;font-size:13px}
}