/* Mail Threads, the second mail layout (lane a-mail-templates-web, design W5). Everything is under #mailthreads.
   Colours are the design's tokens, light and dark; dark follows the system unless the page sets data-theme. */
#mailthreads{--bg:#F7F4EE;--sf:#FFFFFF;--ln:#E3DED3;--l2:#D9D3C6;--ink:#021710;--mu:#58645E;--br:#114834;--bt:#F4F1EA;--lk:#114834;--am:#EBAA4C;--at:#021710;--ab:#FBEBC8;--ai:#6B4500;--dg:#A8402F;--db:#FBEDE8;--dl:#E8C4BB;--tn:#E3EFE8;--ch:#EFEADD;--sel:#E3EFE8;--ov:rgba(2,23,16,.5)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) #mailthreads{--bg:#0C1511;--sf:#15221B;--ln:#263830;--l2:#34493F;--ink:#F1EEE6;--mu:#A5B2AA;--br:#2F7A5A;--bt:#FFFFFF;--lk:#7FD9BF;--ab:#4A3A14;--ai:#F6D58C;--dg:#F0907E;--db:#3A1F1A;--dl:#6B3A31;--tn:#1C3328;--ch:#1F3027;--sel:#1E3A2D;--ov:rgba(0,0,0,.6)}}
:root[data-theme="dark"] #mailthreads{--bg:#0C1511;--sf:#15221B;--ln:#263830;--l2:#34493F;--ink:#F1EEE6;--mu:#A5B2AA;--br:#2F7A5A;--bt:#FFFFFF;--lk:#7FD9BF;--ab:#4A3A14;--ai:#F6D58C;--dg:#F0907E;--db:#3A1F1A;--dl:#6B3A31;--tn:#1C3328;--ch:#1F3027;--sel:#1E3A2D;--ov:rgba(0,0,0,.6)}
#mailthreads{position:relative;flex:1;min-width:0;display:flex;height:100%;background:var(--bg);color:var(--ink);font-size:calc(14px * var(--mail-fs,1));line-height:1.4;overflow:hidden}
#mailthreads[hidden]{display:none}
#mailthreads *{box-sizing:border-box}
#mailthreads .ser{font-family:Fraunces,Georgia,serif}
#mailthreads .grow{flex:1;min-width:0}
#mailthreads .pad{padding:16px}
#mailthreads kbd{font:600 max(var(--mail-min,0px),calc(11px * var(--mail-fs,1)))/1 ui-monospace,Menlo,monospace;padding:3px 5px;border:1px solid var(--l2);border-bottom-width:2px;border-radius:5px;color:var(--mu);background:var(--sf);margin-left:6px;white-space:nowrap}
#mailthreads button,#mailthreads input,#mailthreads select,#mailthreads textarea{font:inherit;color:inherit}
#mailthreads button{cursor:pointer}
#mailthreads button:focus-visible,#mailthreads input:focus-visible,#mailthreads select:focus-visible,#mailthreads textarea:focus-visible,#mailthreads .mt-row:focus-visible{outline:2px solid var(--lk);outline-offset:2px}
#mailthreads button[disabled]{opacity:.55;cursor:not-allowed}
.mt-muted{color:var(--mu)}
.mt-small{font-size:calc(12px * var(--mail-fs,1))}
/* nav */
.mt-nav{width:232px;flex:none;border-right:1px solid var(--ln);padding:12px 8px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;background:var(--bg)}
.mt-compose{min-height:44px;margin:0 4px 8px;border-radius:22px;border:0;background:var(--am);color:var(--at);font-weight:700;display:flex;align-items:center;gap:8px;padding:0 16px}
.mt-compose kbd{margin-left:auto;background:transparent;color:var(--at);border-color:rgba(2,23,16,.3)}
.mt-navh{margin:12px 8px 2px;font-size:max(var(--mail-min,0px),calc(11px * var(--mail-fs,1)));font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mu)}
.mt-navi{min-height:36px;border:0;background:transparent;border-radius:10px;display:flex;align-items:center;gap:10px;padding:0 10px;text-align:left;width:100%;font-size:calc(14px * var(--mail-fs,1))}
.mt-navi:hover:not([disabled]){background:var(--ch)}
.mt-navi[aria-current]{background:var(--sel);font-weight:700;color:var(--lk)}
.mt-navl{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mt-navc{font-size:calc(12px * var(--mail-fs,1));font-weight:700;color:var(--mu)}
.mt-navk{margin-left:auto}
.mt-dot{width:10px;height:10px;border-radius:5px;background:var(--lk);flex:none}
/* main */
.mt-main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}
.mt-bar{display:flex;align-items:center;gap:8px;padding:8px 16px;border-bottom:1px solid var(--ln);min-height:56px}
.mt-bartitle{font-family:Fraunces,Georgia,serif;font-size:calc(18px * var(--mail-fs,1));white-space:nowrap}
.mt-find{flex:1;max-width:560px;height:40px;border-radius:20px;border:1px solid var(--l2);background:var(--sf);display:flex;align-items:center;gap:8px;padding:0 12px;color:var(--mu)}
.mt-find input{flex:1;min-width:0;border:0;background:transparent;outline:0;color:var(--ink)}
.mt-btn{min-height:36px;padding:0 14px;border-radius:18px;border:1px solid var(--l2);background:var(--sf);color:var(--ink);font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}
.mt-btn.mt-icon{width:36px;padding:0}
.mt-btn.mt-small{min-height:32px;padding:0 10px;font-size:calc(13px * var(--mail-fs,1))}
.mt-btn.primary{background:var(--br);border-color:var(--br);color:var(--bt)}
.mt-btn.amber,#mailthreads .amber.mt-btn{background:var(--am);border-color:var(--am);color:var(--at)}
.mt-btn.amber kbd{background:transparent;color:var(--at);border-color:rgba(2,23,16,.3)}
.mt-split{padding:0 8px;margin-left:-6px;border-left-color:rgba(2,23,16,.2);border-top-left-radius:0;border-bottom-left-radius:0}
.mt-linkbtn{border:0;background:transparent;color:var(--lk);font-weight:700;min-height:32px;padding:0 6px;display:inline-flex;align-items:center;gap:4px;cursor:pointer}
.mt-linkbtn.danger{color:var(--dg)}
.mt-link{border:0;background:transparent;color:var(--lk);font-weight:600;padding:8px 0;text-align:left}
.mt-body{flex:1;min-height:0;display:flex}
.mt-body[hidden],.mt-hub[hidden]{display:none}
.mt-feed{width:44%;max-width:640px;min-width:340px;border-right:1px solid var(--ln);display:flex;flex-direction:column;min-height:0;overflow-y:auto}
.mt-read{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0}
#mailthreads[data-layout="bottom"] .mt-body{flex-direction:column}
#mailthreads[data-layout="bottom"] .mt-feed{width:auto;max-width:none;height:42%;border-right:0;border-bottom:1px solid var(--ln)}
#mailthreads[data-layout="list"] .mt-read{display:none}
#mailthreads[data-layout="list"] .mt-feed{width:auto;max-width:none;flex:1}
#mailthreads[data-layout="list"].has-thread .mt-read{display:flex;position:absolute;inset:56px 0 0 0;background:var(--bg);z-index:3}
.mt-onlynarrow{display:none}
/* hub */
.mt-hub{flex:1;overflow-y:auto;padding:28px 32px 40px;display:grid;grid-template-columns:minmax(0,1fr) 260px;column-gap:32px;align-content:start}
.mt-hub>*{grid-column:1}
.mt-hub>.mt-plan{grid-column:2;grid-row:1/span 5}
.mt-eyebrow{margin:0;font-size:calc(12px * var(--mail-fs,1));font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mu)}
.mt-h1{margin:6px 0 0;font-size:calc(34px * var(--mail-fs,1));line-height:1.1;letter-spacing:-.02em;font-weight:600;text-wrap:balance}
.mt-sub{margin:6px 0 16px;color:var(--mu);font-size:calc(15px * var(--mail-fs,1))}
.mt-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.mt-card{text-align:left;border-radius:20px;border:1px solid var(--ln);background:var(--sf);padding:16px;display:flex;flex-direction:column;gap:10px;min-height:120px}
.mt-card:hover{border-color:var(--lk)}
.mt-card.is-start{grid-column:1/-1;background:var(--br);border-color:var(--br);color:var(--bt)}
.mt-card.is-start .mt-cardtext,.mt-card.is-start .mt-cardfoot{color:var(--bt)}
.mt-card.c-urgent{background:var(--db);border-color:var(--dl)}
.mt-card.c-urgent .mt-cardname,.mt-card.c-urgent .mt-count{color:var(--dg)}
.mt-cardhead{display:flex;align-items:center;justify-content:space-between;gap:8px}
.mt-cardname{font-size:calc(13px * var(--mail-fs,1));font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.mt-badge{height:22px;padding:0 10px;border-radius:11px;background:var(--am);color:var(--at);font-size:max(var(--mail-min,0px),calc(11px * var(--mail-fs,1)));font-weight:700;display:inline-flex;align-items:center}
.mt-cardmid{display:flex;align-items:center;gap:14px}
.mt-count{font-size:calc(48px * var(--mail-fs,1));line-height:.95;font-weight:600;letter-spacing:-.03em}
.mt-cardtext{flex:1;min-width:0;font-size:calc(14px * var(--mail-fs,1));color:var(--mu);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.mt-cardrows{display:flex;flex-direction:column;gap:6px}
.mt-cardrow{display:flex;align-items:center;gap:8px;font-size:calc(13px * var(--mail-fs,1))}
.mt-crt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mt-cardfoot{font-size:calc(12px * var(--mail-fs,1));color:var(--mu)}
/* mail_hub_contrast (F3422): hub card colours only (no sizes). Root cause of the dark ORDERS card: "#mailthreads button{color:inherit}" (specificity 1,0,1) beat ".mt-card.is-start{color}" (0,2,0), so the label and the big number took the page ink (near-black on dark green, 1.77:1). Colours follow the phone (MailThreadsViews): lead card Deep Teal with ivory text, urgent card danger at 12%, small cards white / Night Surface Alt. Off: .mt-hub-old keeps the rules above. */
#mailthreads .mt-hub{--hc-start-bg:#114834;--hc-start-fg:#F4F1EA;--hc-urg-bg:#EEDED7;--hc-urg-bd:#E8C4BB;--hc-urg-fg:#A8402F;--hc-card-bg:#FFFFFF;--hc-card-fg:#021710;--hc-card-mu:#58645E}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) #mailthreads .mt-hub{--hc-start-bg:#114834;--hc-start-fg:#F4F1EA;--hc-urg-bg:#1E251C;--hc-urg-bd:#6B3A31;--hc-urg-fg:#EE8B78;--hc-card-bg:#20332D;--hc-card-fg:#F4F1EA;--hc-card-mu:#A5B2AA}}
:root[data-theme="dark"] #mailthreads .mt-hub{--hc-start-bg:#114834;--hc-start-fg:#F4F1EA;--hc-urg-bg:#1E251C;--hc-urg-bd:#6B3A31;--hc-urg-fg:#EE8B78;--hc-card-bg:#20332D;--hc-card-fg:#F4F1EA;--hc-card-mu:#A5B2AA}
#mailthreads .mt-hub:not(.mt-hub-old) .mt-card{background:var(--hc-card-bg);color:var(--hc-card-fg)}
#mailthreads .mt-hub:not(.mt-hub-old) .mt-card .mt-cardtext,#mailthreads .mt-hub:not(.mt-hub-old) .mt-card .mt-cardfoot{color:var(--hc-card-mu)}
#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.c-urgent{background:var(--hc-urg-bg);border-color:var(--hc-urg-bd)}
#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.c-urgent .mt-cardname,#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.c-urgent .mt-count{color:var(--hc-urg-fg)}
#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.c-urgent .mt-cardtext,#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.c-urgent .mt-cardfoot{color:var(--hc-card-fg)}
#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.is-start,#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.c-urgent.is-start{background:var(--hc-start-bg);border-color:var(--hc-start-bg);color:var(--hc-start-fg)}
#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.is-start .mt-cardname,#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.is-start .mt-count,#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.is-start .mt-cardtext,#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.is-start .mt-cardfoot,#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.is-start .mt-cardrow,#mailthreads .mt-hub:not(.mt-hub-old) .mt-card.is-start .mt-crt{color:var(--hc-start-fg)}
/* mail_lead_tint (F3460-F3462; owner 31 Oct 2026 18:18, option B): the lead ("Start here") card is a soft clay tint with dark words, a 6px left edge in red and the label and big count in dark red, like the phone (MailLeadTintLogic.swift: same hexes). Own dark set (every word pair 4.5:1 or more, proven in brain/test/maillinttint.test.ts). The amber "Start here" badge keeps its own colours. Off: no .mt-tint class, the rules above stay. */
#mailthreads .mt-hub.mt-tint{--nt-bg:#FAE2D8;--nt-fg:#1A1210;--nt-lb:#8A2F20;--nt-ed:#AA4837}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) #mailthreads .mt-hub.mt-tint{--nt-bg:#3A211B;--nt-fg:#F7EEE6;--nt-lb:#FFB4A3;--nt-ed:#E0705A}}
:root[data-theme="dark"] #mailthreads .mt-hub.mt-tint{--nt-bg:#3A211B;--nt-fg:#F7EEE6;--nt-lb:#FFB4A3;--nt-ed:#E0705A}
#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.is-start,#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.c-urgent.is-start{background:var(--nt-bg);border-color:var(--nt-bg);border-left:6px solid var(--nt-ed);color:var(--nt-fg)}
#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.is-start .mt-cardtext,#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.is-start .mt-cardfoot,#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.is-start .mt-cardrow,#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.is-start .mt-crt,#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.c-urgent.is-start .mt-cardtext,#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.c-urgent.is-start .mt-cardfoot{color:var(--nt-fg)}
#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.is-start .mt-cardname,#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.is-start .mt-count,#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.c-urgent.is-start .mt-cardname,#mailthreads .mt-hub.mt-tint:not(.mt-hub-old) .mt-card.c-urgent.is-start .mt-count{color:var(--nt-lb)}
.mt-doneline{margin-top:16px;display:flex;align-items:center;gap:10px}
.mt-meter{flex:1;max-width:240px;height:6px;border-radius:3px;background:var(--ln);overflow:hidden}
.mt-meterfill{display:block;height:100%;background:var(--lk)}
.mt-plan{align-self:start;border:1px solid var(--ln);border-radius:16px;padding:12px 16px;background:var(--sf)}
.mt-planlist{list-style:none;margin:6px 0;padding:0;display:flex;flex-direction:column;gap:6px}
.mt-planlist li{display:flex;justify-content:space-between;gap:8px}
.mt-go{margin-top:16px;align-self:start;min-height:52px;border-radius:26px;font-size:calc(16px * var(--mail-fs,1));padding:0 24px}
.mt-empty,.mt-off{color:var(--mu)}
.mt-off{padding:24px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
/* avatars and pills */
.mt-av{display:inline-flex;align-items:center;justify-content:center;font-weight:700;flex:none;border-radius:6px;width:20px;height:20px;font-size:max(var(--mail-min,0px),calc(8px * var(--mail-fs,1)))}
.mt-av.big{border-radius:12px;width:32px;height:32px;font-size:calc(12px * var(--mail-fs,1))}
.mt-av.a1{background:#114834;color:#F4F1EA}.mt-av.a2{background:#EBAA4C;color:#021710}.mt-av.a3{background:#D9D3C6;color:#021710}.mt-av.a4{background:#28684B;color:#F4F1EA}
.mt-stack{display:inline-flex}.mt-stack .mt-av{border:2px solid var(--sf);margin-left:-5px}.mt-stack .mt-av:first-child{margin-left:0}
.mt-pill{height:24px;padding:0 10px;border-radius:12px;background:var(--ab);color:var(--ai);font-size:calc(12px * var(--mail-fs,1));font-weight:600;display:inline-flex;align-items:center;white-space:nowrap;flex:none}
.mt-tag{height:24px;padding:0 10px;border-radius:12px;background:var(--tn);color:var(--lk);font-size:calc(12px * var(--mail-fs,1));font-weight:700;display:inline-flex;align-items:center}
.mt-orb{width:16px;height:16px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#5CCBB2,#28684B 55%,#114834);flex:none;display:inline-block}
.mt-orb.small{width:18px;height:18px}
/* feed */
.mt-feedhead{display:flex;align-items:center;gap:8px;padding:12px 16px 4px}
.mt-feedtitle{margin:0;font-size:calc(26px * var(--mail-fs,1));line-height:1.1;font-weight:600;letter-spacing:-.02em}
.mt-tabs{display:flex;gap:8px;padding:6px 16px;overflow-x:auto}
.mt-tab{min-height:36px;flex:none;padding:0 14px;border-radius:18px;border:1px solid var(--l2);background:var(--sf);font-weight:500}
.mt-tab.on{background:var(--ink);border-color:var(--ink);color:var(--bg);font-weight:600}
.mt-urgent{margin:6px 16px;min-height:48px;border-radius:14px;background:var(--db);border:1px solid var(--dl);padding:0 4px 0 12px;display:flex;align-items:center;gap:10px;color:var(--dg)}
.mt-urgent .grow{color:var(--ink);font-size:calc(13px * var(--mail-fs,1))}.mt-urgent b{color:var(--dg)}
.mt-sel{display:flex;align-items:center;gap:8px;padding:6px 16px;flex-wrap:wrap;color:var(--mu)}
.mt-sel.on{background:var(--sel);color:var(--ink);position:sticky;top:0;z-index:2}
.mt-selall{display:flex;align-items:center;gap:6px;font-weight:600}
.mt-selnote{width:100%;font-size:calc(12px * var(--mail-fs,1));color:var(--mu)}
.mt-rows{display:flex;flex-direction:column}
.mt-day{height:32px;padding:0 16px;display:flex;align-items:center;gap:10px}
.mt-day i{flex:1;height:1px;background:var(--ln)}
.mt-day span{height:24px;padding:0 12px;border-radius:12px;border:1px solid var(--l2);background:var(--sf);font-size:calc(12px * var(--mail-fs,1));font-weight:600;display:flex;align-items:center}
.mt-row{position:relative;display:flex;gap:10px;padding:8px 16px;background:var(--sf);border-bottom:1px solid var(--ln);cursor:pointer;align-items:flex-start}
.mt-row:hover{background:var(--ch)}
.mt-row.cur,.mt-row.sel{background:var(--sel)}
.mt-row .mt-chk{margin-top:12px;flex:none}
.mt-rowcol{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.mt-rowtop{display:flex;align-items:center;gap:8px}
.mt-subj{margin:0;flex:1;min-width:0;font-size:calc(15px * var(--mail-fs,1));font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mt-row.unread .mt-subj{font-weight:700}
.mt-unread{width:8px;height:8px;border-radius:4px;background:var(--lk);flex:none}
.mt-starred{color:var(--am);display:inline-flex}
.mt-time{font-size:calc(12px * var(--mail-fs,1));color:var(--mu);flex:none}
.mt-snip{color:var(--mu);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mt-snip b{color:var(--ink);font-weight:600}
.mt-rowfoot{display:flex;align-items:center;gap:8px;min-height:28px}
.mt-rowfoot .mt-linkbtn{padding:0;font-size:calc(13px * var(--mail-fs,1))}
.mt-clip{color:var(--mu);display:inline-flex}
.mt-where{font-size:calc(12px * var(--mail-fs,1));color:var(--mu)}
.mt-hover{position:absolute;right:12px;top:8px;display:none;gap:2px;background:var(--sf);border:1px solid var(--l2);border-radius:18px;padding:2px}
.mt-row:hover .mt-hover,.mt-row:focus-within .mt-hover{display:flex}
.mt-row:hover .mt-time,.mt-row:focus-within .mt-time{visibility:hidden}
#mailthreads[data-density="compact"] .mt-row{padding:7px 16px}
#mailthreads[data-density="compact"] .mt-av.big{width:30px;height:30px;font-size:max(var(--mail-min,0px),calc(11px * var(--mail-fs,1)))}
.mt-end{padding:16px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
/* reader */
.mt-tools{display:flex;align-items:center;gap:4px;padding:8px 12px;border-bottom:1px solid var(--ln);flex-wrap:wrap}
.mt-tool{min-height:32px;padding:0 10px;font-size:calc(13px * var(--mail-fs,1))}
.mt-readscroll{flex:1;overflow-y:auto;padding:16px 24px 32px;display:flex;flex-direction:column;gap:12px}
.mt-readempty{flex:1;display:flex;align-items:center;justify-content:center}
.mt-thsubj{margin:0;font-size:calc(26px * var(--mail-fs,1));line-height:1.2;font-weight:600;letter-spacing:-.02em}
.mt-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.mt-summary{border-radius:16px;background:var(--tn);padding:10px 14px 12px}
.mt-sumhead{display:flex;align-items:center;gap:8px}
.mt-eyebrow2{font-size:max(var(--mail-min,0px),calc(11px * var(--mail-fs,1)));font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--lk)}
.mt-sumneeds{margin:2px 0;font-size:calc(16px * var(--mail-fs,1));line-height:1.35}
.mt-sumlist{margin:4px 0 0;padding-left:18px}
.mt-msg{border:1px solid var(--ln);border-radius:16px;background:var(--sf)}
.mt-msg.fresh{border-color:var(--dg)}
.mt-msgtoggle{display:block;width:100%;border:0;background:transparent;text-align:left;padding:10px 12px 4px}
.mt-msghead{display:flex;align-items:center;gap:10px}
.mt-msghead .mt-av{width:28px;height:28px;border-radius:8px;font-size:max(var(--mail-min,0px),calc(10px * var(--mail-fs,1)))}
.mt-who{font-weight:700}
.mt-new{font-size:max(var(--mail-min,0px),calc(11px * var(--mail-fs,1)));font-weight:700;color:var(--dg)}
.mt-clamp{padding:0 12px 10px 50px;color:var(--mu);overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;white-space:pre-line;overflow-wrap:anywhere}
.mt-addr{padding:0 12px;font-size:calc(12px * var(--mail-fs,1))}
.mt-mbody{padding:8px 12px;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.5}
.mt-htmlwrap{padding:8px 12px}
.mt-html{width:100%;border:0;border-radius:10px;background:#fff;min-height:120px;color-scheme:light}
.mt-htmltools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:calc(12px * var(--mail-fs,1))}
.mt-files{display:flex;flex-wrap:wrap;gap:8px;padding:4px 12px 8px}
.mt-file{display:flex;align-items:center;gap:8px;border:1px solid var(--l2);border-radius:12px;padding:6px 10px}
.mt-fname{display:flex;flex-direction:column;font-size:calc(13px * var(--mail-fs,1))}
.mt-msgbar{display:flex;gap:8px;padding:0 8px 8px}
/* Outlook-style message (lane a-thread-outlook): To/Cc lines, compact answer buttons, earlier text with a left rule. */
.mt-recip{display:flex;gap:6px;align-items:baseline;width:100%;border:0;background:transparent;text-align:left;padding:0 12px 0 50px;font-size:calc(13px * var(--mail-fs,1));line-height:1.45;color:var(--ink);cursor:pointer}
.mt-recip span:last-child{overflow-wrap:anywhere}
.mt-count{margin-left:auto}
.mt-answer{min-height:30px;padding:0 10px;gap:6px;font-size:calc(12px * var(--mail-fs,1));font-weight:600;border-radius:8px;display:inline-flex;align-items:center}
.mt-earlierbtn{margin:0 12px 8px 50px}
.mt-quote{margin:0 12px 10px 50px;padding:2px 0 2px 12px;border-left:2px solid var(--l2);display:flex;flex-direction:column;gap:8px;font-size:calc(13px * var(--mail-fs,1));line-height:1.5}
.mt-qline{overflow-wrap:anywhere}
.mt-qbody{white-space:pre-wrap;overflow-wrap:anywhere}
.mt-dock{border:1px solid var(--l2);border-radius:20px;background:var(--sf);padding:10px;display:flex;flex-direction:column;gap:8px;box-shadow:0 6px 20px rgba(2,23,16,.08);position:sticky;bottom:0}
.mt-quick{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.mt-qr{min-height:36px;padding:0 14px;border-radius:18px;border:1px solid var(--lk);background:var(--sf);color:var(--lk);font-size:calc(13px * var(--mail-fs,1));font-weight:600}
.mt-mode{display:flex;align-items:center;gap:8px}
.mt-modelabel{display:flex;align-items:center;gap:6px;min-width:0}
.mt-seg{display:inline-flex;border-radius:18px;background:var(--ch);padding:2px;gap:2px}
.mt-seg button{min-height:32px;padding:0 12px;border-radius:16px;border:0;background:transparent;font-weight:600;font-size:calc(13px * var(--mail-fs,1))}
.mt-seg button.on{background:var(--br);color:var(--bt)}
.mt-replyin,.mt-compbody,.mt-fwdto{width:100%;border:1px solid var(--l2);border-radius:12px;background:var(--bg);padding:10px 12px;resize:vertical}
.mt-fmt{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.mt-dockfoot{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.mt-chips{display:flex;gap:6px;flex-wrap:wrap;padding:4px 16px}
.mt-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--l2);border-radius:14px;padding:2px 4px 2px 10px;font-size:calc(13px * var(--mail-fs,1));background:var(--sf)}
.mt-notice{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);z-index:20;min-width:280px;max-width:80%;background:var(--ink);color:var(--bg);border-radius:12px;padding:8px 8px 8px 16px;display:flex;align-items:center;gap:8px;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.mt-notice .mt-linkbtn{color:var(--am)}
.mt-notice[hidden]{display:none}
/* search */
.mt-readas{margin:4px 16px;color:var(--mu);font-style:italic}
.mt-filters{margin:8px 16px;border:1px solid var(--ln);border-radius:14px;background:var(--sf);padding:12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.mt-sfield,.mt-field{display:flex;flex-direction:column;gap:2px}
.mt-field{flex-direction:row;align-items:center;gap:8px;border-bottom:1px solid var(--ln);padding:4px 0}
.mt-field input,.mt-field select{flex:1;border:0;background:transparent;outline:0;min-height:32px}
.mt-flabel{font-size:calc(12px * var(--mail-fs,1));font-weight:700;color:var(--mu);min-width:56px}
.mt-sfield input,.mt-sfield select{min-height:34px;border:1px solid var(--l2);border-radius:8px;background:var(--bg);padding:0 8px}
.mt-checks,.mt-filters .mt-dockfoot{grid-column:1/-1;display:flex;gap:14px;flex-wrap:wrap}
.mt-saved{padding:0 16px}.mt-savedrow{display:flex;align-items:center}
/* overlays */
.mt-overlay{position:absolute;inset:0;background:var(--ov);display:flex;align-items:flex-start;justify-content:center;padding:32px 16px;overflow-y:auto;z-index:30}
.mt-overlay[hidden]{display:none}
.mt-modal{background:var(--bg);border:1px solid var(--l2);border-radius:20px;padding:16px;width:min(560px,100%);box-shadow:0 20px 60px rgba(0,0,0,.35)}
.mt-modal.wide{width:min(760px,100%)}.mt-modal.settings{width:min(980px,100%)}.mt-modal.small{width:min(320px,100%)}
.mt-comphead{display:flex;align-items:center;gap:8px;margin-bottom:8px}.mt-comphead h2{margin:0;font-size:calc(22px * var(--mail-fs,1))}
.mt-ccbtns{display:flex}
.mt-pop{display:flex;flex-direction:column;gap:8px}.mt-popfoot{display:flex;gap:8px;justify-content:flex-end}
.mt-previewbox{display:flex;flex-direction:column;gap:8px;align-items:flex-start}.mt-preview{max-width:100%;max-height:70vh;border-radius:8px}
.mt-setwrap{display:grid;grid-template-columns:200px minmax(0,1fr);gap:16px}.mt-setlist{list-style:none;margin:0;padding:0}
.mt-setmain h3{margin:12px 0 4px}.mt-setmain h4{margin:16px 0 4px;font-size:calc(12px * var(--mail-fs,1));letter-spacing:.06em;text-transform:uppercase;color:var(--mu)}
.mt-tpls{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:8px 0}
.mt-tpl{text-align:left;border:1.5px solid var(--l2);background:var(--sf);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:4px}
.mt-tpl.on{border-color:var(--lk)}.mt-tpl.soon{border-style:dashed;color:var(--mu)}
.mt-opt{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--ln)}
.mt-opt>span{display:flex;flex-direction:column}
.mt-helpgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.mt-helpgrid h3{margin:8px 0 4px;font-size:calc(13px * var(--mail-fs,1))}
.mt-helprow{display:flex;justify-content:space-between;gap:8px;padding:3px 0}
.mt-menu{position:absolute;z-index:40;min-width:220px;background:var(--sf);border:1px solid var(--l2);border-radius:12px;padding:4px;box-shadow:0 10px 30px rgba(0,0,0,.25);display:flex;flex-direction:column}
.mt-menu hr{border:0;border-top:1px solid var(--ln);margin:4px 0;width:100%}
.mt-menui{min-height:36px;border:0;background:transparent;text-align:left;border-radius:8px;padding:0 10px}
.mt-menui:hover:not([disabled]){background:var(--ch)}.mt-menui.strong{font-weight:700}
/* print: the open thread only */
@media print{body.mt-printing #mailthreads .mt-nav,body.mt-printing #mailthreads .mt-bar,body.mt-printing #mailthreads .mt-feed,body.mt-printing #mailthreads .mt-tools,body.mt-printing #mailthreads .mt-dock,body.mt-printing #mailthreads .mt-notice{display:none!important}body.mt-printing #mailthreads{display:block;height:auto;overflow:visible}body.mt-printing .mt-readscroll{overflow:visible}}
/* narrow window and phone browser: one pane at a time, the menu folds to icons */
@media (max-width:1000px){
  .mt-nav{width:68px}.mt-nav .mt-navl,.mt-nav .mt-navh,.mt-nav .mt-navk,.mt-compose span,.mt-compose kbd{display:none}.mt-navc{font-size:max(var(--mail-min,0px),calc(10px * var(--mail-fs,1)))}
  .mt-hub{grid-template-columns:minmax(0,1fr)}.mt-hub>.mt-plan{grid-column:1;grid-row:auto}
  .mt-feed{width:100%;max-width:none}
  #mailthreads .mt-read{display:none}
  #mailthreads.has-thread .mt-read{display:flex;position:absolute;inset:56px 0 0 0;background:var(--bg);z-index:3}
  .mt-onlynarrow{display:inline-flex}
  .mt-hover{display:none!important}
}
@media (max-width:640px){
  #mailthreads{flex-direction:column-reverse}.mt-nav{width:auto;flex-direction:row;overflow-x:auto;padding:4px;border-right:0;border-top:1px solid var(--ln);gap:4px}.mt-nav .mt-navi{width:auto;flex:none}
  .mt-cards{grid-template-columns:1fr}.mt-filters{grid-template-columns:1fr}.mt-setwrap{grid-template-columns:1fr}.mt-helpgrid{grid-template-columns:1fr}.mt-bar{padding:6px 8px}
  #mailthreads .mt-btn,#mailthreads .mt-navi{min-height:44px}.mt-qr{min-height:44px}
}
/* Desktop mail v2 (lane a-mail-desktop, switch mail_desktop_v2; boards D1 and D2). Everything is under #mailthreads.mt-v2 or the window, so Off draws the page as it was. */
#mailthreads.mt-v2 .mt-nav{width:216px;padding:12px 6px}
#mailthreads.mt-v2 .mt-navi{min-height:32px;font-size:calc(13.5px * var(--mail-fs,1));border-radius:8px}
#mailthreads.mt-v2 .mt-navbox{display:flex;align-items:center;gap:6px;margin:10px 8px 2px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.mt-boxdot{width:8px;height:8px;border-radius:4px;background:var(--lk);flex:none;display:inline-block}
#mailthreads.mt-v2 .mt-navfoot{color:var(--mu);font-size:calc(12.5px * var(--mail-fs,1))}
#mailthreads.mt-v2 .mt-row{border-left:3px solid transparent}
#mailthreads.mt-v2 .mt-row.cur{border-left-color:var(--br);background:var(--sf)}
#mailthreads.mt-v2 .mt-who2{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:calc(13.5px * var(--mail-fs,1))}
#mailthreads.mt-v2 .mt-rowfoot.v2{display:flex;align-items:center;gap:6px;min-width:0}
#mailthreads.mt-v2 .mt-sumline{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mu);font-size:calc(12.5px * var(--mail-fs,1))}
#mailthreads.mt-v2 .mt-boxtag{flex:none;font-size:max(var(--mail-min,0px),calc(11px * var(--mail-fs,1)));font-weight:700;color:var(--bx,var(--lk));background:color-mix(in srgb,var(--bx,var(--lk)) 14%,transparent);border-radius:8px;padding:1px 6px}
#mailthreads.mt-v2 .mt-catchall{margin:8px 12px;border:1px solid var(--dl);border-radius:10px;background:var(--db);padding:7px 9px;font-size:calc(12.5px * var(--mail-fs,1))}
#mailthreads.mt-v2 .mt-catchall b{color:var(--dg)}#mailthreads.mt-v2 .mt-catchall p{margin:2px 0 0}
#mailthreads.mt-v2 .mt-boxlabel{display:inline-flex;align-items:center;gap:6px;font-size:calc(12.5px * var(--mail-fs,1));font-weight:700;color:var(--mu);margin-right:8px;white-space:nowrap}
#mailthreads.mt-v2 .mt-filesstrip{border:1px solid var(--ln);border-radius:10px;background:var(--sf);margin:6px 0;padding:2px 8px}
#mailthreads.mt-v2 .mt-filesbtn{width:100%;min-height:34px;border:0;background:transparent;display:flex;align-items:center;gap:8px;text-align:left;font-size:calc(13px * var(--mail-fs,1))}
#mailthreads.mt-v2 .mt-filenames{color:var(--mu);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#mailthreads.mt-v2 .mt-filechips{display:flex;gap:6px;flex-wrap:wrap;padding:4px 0}
#mailthreads.mt-v2 .mt-chip{min-height:28px;padding:0 10px;border-radius:14px;border:1px solid var(--l2);background:var(--sf);font-size:calc(12.5px * var(--mail-fs,1))}
#mailthreads.mt-v2 .mt-chip.on{background:var(--sel);border-color:var(--lk);color:var(--lk);font-weight:700}
#mailthreads.mt-v2 .mt-filelist{list-style:none;margin:0;padding:0}
#mailthreads.mt-v2 .mt-fileitem{display:flex;align-items:center;gap:8px;padding:6px 0;border-top:1px solid var(--ln)}
#mailthreads.mt-v2 .mt-fname{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#mailthreads.mt-v2 .mt-sumwrap{margin:6px 0}
#mailthreads.mt-v2 .mt-sumstrip{width:100%;min-height:34px;border:1px solid var(--ln);border-radius:10px;background:var(--sf);display:flex;align-items:center;gap:8px;padding:0 10px;text-align:left;font-size:calc(13px * var(--mail-fs,1))}
#mailthreads.mt-v2 .mt-sumtext{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#mailthreads.mt-v2 .mt-msg:not(.open) .mt-clamp{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
#mailthreads.mt-v2 .mt-msg:not(.open){padding-top:4px;padding-bottom:4px}
#mailthreads.mt-v2 .mt-dock.v2{padding:8px;gap:6px}
#mailthreads.mt-v2 .mt-replybox{display:flex;align-items:flex-end;gap:6px}
#mailthreads.mt-v2 .mt-replybox .mt-replyin{flex:1;min-height:36px;border-radius:18px;resize:none;padding:7px 12px}
#mailthreads.mt-v2 .mt-subjrow{display:flex;align-items:center;gap:8px;font-size:calc(13px * var(--mail-fs,1))}
#mailthreads.mt-v2 .mt-subjrow input{flex:1;min-width:0;border:1px solid var(--l2);border-radius:8px;background:var(--bg);padding:5px 8px}
.mt-newthread{font-size:calc(12px * var(--mail-fs,1));font-weight:700;color:var(--lk);white-space:nowrap}
.mt-newbar{display:flex;align-items:center;gap:8px;background:var(--tn);color:var(--ink);border-radius:8px;padding:6px 10px;font-size:calc(12.5px * var(--mail-fs,1))}
.mt-linkbtn.on{color:var(--dg)}
/* D2: the New email window, bottom right over the list. Narrow screens: it fills the screen instead. */
#mailthreads .mt-float{position:absolute;right:40px;bottom:0;width:min(560px,calc(100% - 16px));max-height:calc(100% - 56px);background:var(--sf);border:1px solid var(--l2);border-radius:12px 12px 0 0;box-shadow:0 -4px 24px rgba(2,23,16,.22);display:flex;flex-direction:column;overflow:hidden;z-index:25}
#mailthreads .mt-float[hidden]{display:none}
#mailthreads .mt-float.big{width:min(860px,calc(100% - 16px));height:calc(100% - 56px)}
#mailthreads .mt-float.min{width:300px}
.mt-winhead{display:flex;align-items:center;gap:4px;padding:6px 8px 6px 12px;background:var(--br);color:var(--bt);font-weight:600;font-size:calc(13.5px * var(--mail-fs,1))}
.mt-wintitle{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#mailthreads .mt-winbtn{width:28px;height:28px;border:0;border-radius:6px;background:transparent;color:var(--bt);font-size:calc(15px * var(--mail-fs,1));line-height:1}
#mailthreads .mt-winbtn:hover{background:rgba(255,255,255,.18)}
.mt-winbody{display:flex;flex-direction:column;overflow-y:auto;min-height:0;flex:1}
.mt-wrow{display:flex;align-items:center;gap:8px;padding:5px 14px;border-bottom:1px solid var(--ln);min-height:34px}
.mt-wrow .mt-flabel{width:44px;flex:none;color:var(--mu);font-size:calc(13px * var(--mail-fs,1))}
.mt-wrow select,.mt-wrow .mt-subjin{flex:1;min-width:0;border:0;background:transparent;outline:0;font-weight:600}
.mt-chips{flex:1;min-width:0;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.mt-chips input{flex:1;min-width:90px;border:0;background:transparent;outline:0}
.mt-chip2{display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 4px 0 9px;border-radius:12px;background:var(--ch);font-size:calc(13px * var(--mail-fs,1));font-weight:500}
#mailthreads .mt-chipx{border:0;background:transparent;width:18px;height:18px;padding:0;display:inline-flex;align-items:center;justify-content:center;color:var(--mu)}
#mailthreads .mt-float .mt-compbody{border:0;border-radius:0;background:var(--sf);flex:1;min-height:200px;padding:12px 14px;resize:none;font-size:calc(14.5px * var(--mail-fs,1));line-height:1.5}
.mt-winfoot{display:flex;align-items:center;gap:6px;padding:8px 12px;border-top:1px solid var(--ln);background:var(--ch);flex-wrap:wrap}
#mailthreads .mt-float .mt-fmt{padding:4px 12px;border-top:1px solid var(--ln)}
@media (max-width:1000px){#mailthreads.mt-v2 .mt-nav{width:68px}#mailthreads.mt-v2 .mt-navbox{display:none}#mailthreads.mt-v2 .mt-boxtag{display:none}}
@media (max-width:640px){
  #mailthreads .mt-float{right:0;left:0;width:auto;max-height:none;top:0;border-radius:0}
  #mailthreads .mt-float.min{width:auto;top:auto}
  #mailthreads.mt-v2 .mt-nav{width:auto}
}
@media (prefers-reduced-motion:reduce){#mailthreads *{transition:none!important;animation:none!important}}
/* attachment viewer (switch mail_web_preview): a chip and its name open the file in the page */
.mt-fopen{border:0;background:none;padding:0;margin:0;text-align:left;cursor:pointer;color:inherit;min-width:0}
.mt-fopen:hover .mt-fname b,.mt-fopen:focus-visible .mt-fname b{text-decoration:underline}
.mt-file.mt-clickable{cursor:pointer}.mt-file.mt-clickable:hover{background:var(--ch)}
.mt-viewer{display:flex;flex-direction:column;gap:10px;max-height:calc(100vh - 80px)}
.mt-vhead{display:flex;align-items:baseline;gap:10px;min-width:0}.mt-vtitle{font-size:calc(15px * var(--mail-fs,1));overflow-wrap:anywhere}
.mt-vview{flex:1;min-height:120px;overflow:auto;display:flex;justify-content:center;align-items:flex-start}
.mt-vview .mt-preview{max-width:100%;max-height:calc(100vh - 220px);object-fit:contain}
.mt-vcard{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:24px 12px;max-width:420px}
.mt-vfoot{display:flex;align-items:center;gap:10px}