.mail-layout{display:grid;grid-template-columns:180px minmax(280px,360px) minmax(0,1fr);min-height:calc(100vh - 155px);overflow:hidden}.mail-folders,.mail-list,.mail-reader{padding:14px}.mail-list{border-left:1px solid var(--hair);border-right:1px solid var(--hair);overflow:auto}.folder{width:100%;border:0;display:flex;align-items:center;justify-content:space-between;padding:9px 10px;border-radius:10px;font-size:.73rem;color:var(--muted);margin-bottom:2px;background:transparent;text-align:left;transition:transform .18s var(--spring),background .18s ease,color .18s ease}.folder:hover{background:rgba(255,255,255,.10);color:var(--text);transform:translateX(2px)}.folder.active{background:rgba(197,161,90,.12);color:var(--text);font-weight:630}.folder.active:before{content:"";width:3px;height:16px;border-radius:999px;background:var(--gold);margin-right:7px}.folder.active span:first-of-type{margin-left:auto}.mail-folder-state{display:flex;align-items:center;gap:7px;padding:9px 10px;margin:4px 0 8px;color:var(--muted);font-size:.65rem;border-top:1px solid var(--hair)}.mail-item{padding:12px;border-radius:13px;cursor:pointer;border:1px solid transparent}.mail-item:hover{background:rgba(255,255,255,.2)}.mail-item.active{background:rgba(255,255,255,.28);border-color:var(--glassBorder)}.mail-item-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.mail-from{font-size:.74rem;font-weight:660}.mail-time{font-size:.63rem;color:var(--muted)}.mail-subject{font-size:.73rem;font-weight:580;margin-top:4px}.mail-preview{font-size:.67rem;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mail-reader{overflow:auto}.mail-reader-head{padding-bottom:14px;border-bottom:1px solid var(--hair)}.reader-subject{font-size:1.2rem;font-weight:710;letter-spacing:-.02em}.reader-meta{font-size:.69rem;color:var(--muted);margin-top:6px}.mail-body{font-size:.81rem;line-height:1.6;color:var(--text2);padding:18px 0}.ai-summary{padding:14px;border:1px solid rgba(197,161,90,.18);background:rgba(197,161,90,.07);border-radius:14px}.ai-summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}.ai-metric span{display:block;font-size:.62rem;color:var(--muted)}.ai-metric b{font-size:.72rem}.draft-box{display:none;margin-top:12px}.draft-box.open{display:grid;gap:10px}@media(max-width:1020px){.mail-layout{grid-template-columns:150px 300px minmax(0,1fr)}}@media(max-width:760px){.mail-layout{grid-template-columns:1fr}.mail-folders{display:flex;gap:6px;overflow:auto;padding:10px}.mail-folders .section-title{display:none}.folder{width:auto;min-width:max-content;margin:0}.folder.active:before{display:none}.mail-list{border:0;max-height:270px;border-bottom:1px solid var(--hair)}}


/* v2 */
.mail-layout>*{min-width:0}
.mail-folders{overflow:auto}
.mail-reader{min-width:0}