:root{font-family:-apple-system,"Hiragino Sans","Hiragino Kaku Gothic ProN",sans-serif;color:#16191F;background:#F5F6F8;font-variant-numeric:tabular-nums;--bg:#F5F6F8;--panel:#fff;--text:#16191F;--muted:#5B6270;--line:#E3E6EB;--accent:#2F4AA0;--need:#C2410C;--wait:#2563A8;--done:#3F7D58;--notice:#7A8190}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}button{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:8px;padding:9px 13px}button:hover{border-color:var(--accent)}button.primary{background:var(--accent);color:var(--on-accent,#fff);border-color:var(--accent)}button.ghost{border:0;background:none}button.danger{color:#B42318}input,textarea,select{border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);padding:10px 11px;min-width:0}textarea{resize:vertical;min-height:120px;width:100%;line-height:1.65}.muted,.hint{color:var(--muted)}.hint{font-size:12px}.brand{font-weight:700;letter-spacing:.04em;font-size:17px}.shell{min-height:100dvh;display:grid;grid-template-columns:216px minmax(310px,400px) minmax(0,1fr);padding-top:env(safe-area-inset-top)}.sidebar{background:var(--panel);border-right:1px solid var(--line);padding:26px 14px;display:flex;flex-direction:column;gap:20px}.sidebar .brand{padding:0 10px}.nav{display:grid;gap:5px}.nav button{border:0;text-align:left;background:transparent;padding:12px 14px;width:100%;color:var(--muted)}.nav button.active{background:var(--bg);color:var(--accent);font-weight:700}.nav .count{float:right}.sidebar .footer{margin-top:auto;padding:10px;font-size:12px;color:var(--muted)}.list-pane{border-right:1px solid var(--line);min-width:0;background:var(--panel);display:flex;flex-direction:column;height:100dvh;position:sticky;top:0}.list-header{padding:22px 18px 12px;border-bottom:1px solid var(--line)}.list-header h1{font-size:20px;margin:0 0 14px}.stats{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}.stat{font-size:12px;background:var(--bg);padding:7px 9px;border-radius:7px;border:0}.search{width:100%}.filter-row{display:flex;gap:6px;padding:10px 18px;border-bottom:1px solid var(--line)}.filter-row button{font-size:12px;padding:6px 9px}.filter-row .active{color:var(--accent);border-color:var(--accent)}.thread-list{overflow:auto;flex:1}.thread-row{display:grid;grid-template-columns:4px 1fr;gap:0;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:0;background:var(--panel)}.thread-row.selected{background:var(--bg)}.thread-row .bar{background:var(--notice)}.thread-row.need .bar{background:var(--need)}.thread-row.wait .bar{background:var(--wait)}.thread-row.done .bar{background:var(--done)}.thread-content{padding:14px 16px;min-width:0}.thread-top{display:flex;align-items:baseline;gap:8px}.thread-top .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.thread-top time{font-size:11px;color:var(--muted)}.thread-row.unread .name,.thread-row.unread .subject{font-weight:750}.subject{font-size:13px;margin:5px 0 3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.excerpt{font-size:12px;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.tags{display:flex;gap:5px;margin-top:7px;flex-wrap:wrap}.tag{font-size:10px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:2px 5px}.detail-pane{min-width:0;padding:28px 32px;overflow:auto;height:100dvh}.detail-inner{max-width:860px;margin:auto}.detail-head{border-bottom:1px solid var(--line);padding-bottom:18px}.detail-head h2{font-size:22px;margin:0 0 8px}.detail-head .person{font-size:13px;color:var(--muted)}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:18px}.toolbar label{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:5px}.toolbar select,.toolbar input{font-size:12px;padding:7px}.toolbar input[type=date]{width:145px}.note{margin-top:12px;width:100%;min-height:50px}.message{background:var(--panel);border:1px solid var(--line);border-radius:10px;margin:16px 0;overflow:hidden}.message summary{padding:14px 16px;cursor:pointer;display:flex;justify-content:space-between;gap:12px}.message summary span{font-size:12px;color:var(--muted)}.message-body{padding:0 16px 16px;border-top:1px solid var(--line)}.plain{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7;font-size:14px}.plain a{color:var(--accent)}.html-frame{width:100%;min-height:240px;border:1px solid var(--line);background:#fff}.attachments{font-size:12px;color:var(--muted);margin-top:12px}.reply-card,.panel-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px;margin:18px 0}.reply-card h3,.panel-card h3{font-size:16px;margin:0 0 16px}.field{display:grid;gap:5px;margin:10px 0}.field label{font-size:12px;color:var(--muted)}.field input,.field select{width:100%}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.switches{display:flex;gap:20px;margin:12px 0;font-size:13px}.actions{display:flex;gap:8px;justify-content:flex-end}.draft-note{border-left:3px solid var(--accent);padding:8px 10px;background:var(--bg);font-size:12px;margin-bottom:10px}.empty{color:var(--muted);text-align:center;padding:64px 20px}.login{min-height:100dvh;display:grid;place-items:center;padding:24px}.login-card{width:min(100%,410px);background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:30px}.login-card h1{font-size:21px;margin:0 0 10px}.login-card p{font-size:13px;color:var(--muted);line-height:1.6}.login-card input{width:100%;margin:12px 0}.login-card button{width:100%}.alert{padding:10px;border-radius:7px;background:#fff1e9;color:#9a3412;font-size:13px;margin:10px 0}.success{color:var(--done);font-size:13px}.section{max-width:840px;margin:auto}.section h1{font-size:23px}.media-row{display:flex;justify-content:space-between;gap:12px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:9px;margin:8px 0;padding:14px;width:100%;text-align:left}.media-row small{color:var(--muted)}.sheet-backdrop{position:fixed;inset:0;background:#0008;display:grid;place-items:center;z-index:20;padding:20px}.sheet{background:var(--panel);color:var(--text);border-radius:12px;padding:24px;width:min(100%,500px);max-height:90dvh;overflow:auto;box-shadow:0 20px 70px #0003}.sheet h2{margin:0 0 18px;font-size:20px}.sheet dl{display:grid;grid-template-columns:75px 1fr;gap:8px;font-size:13px;overflow-wrap:anywhere}.sheet dt{color:var(--muted)}.mobile-header,.bottom-tabs,.back{display:none}.offline{background:#fff1e9;color:#9a3412;text-align:center;padding:7px;font-size:12px}.loading{padding:40px;text-align:center;color:var(--muted)}@media(max-width:899px){.shell{display:block;padding-bottom:calc(70px + env(safe-area-inset-bottom))}.sidebar{display:none}.mobile-header{display:flex;align-items:center;justify-content:space-between;background:var(--panel);border-bottom:1px solid var(--line);padding:12px 16px}.list-pane{height:auto;position:static;border:0}.list-header{padding:16px}.list-header h1{font-size:18px}.thread-list{overflow:visible}.detail-pane{height:auto;padding:16px}.detail-head h2{font-size:19px}.back{display:inline-block;margin-bottom:12px}.bottom-tabs{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;background:var(--panel);border-top:1px solid var(--line);padding:7px 5px calc(7px + env(safe-area-inset-bottom));z-index:10}.bottom-tabs button{border:0;font-size:12px;padding:10px 2px}.bottom-tabs button.active{color:var(--accent);font-weight:700}.form-grid{grid-template-columns:1fr}.section{padding:16px}.sheet-backdrop{align-items:end;padding:0}.sheet{border-radius:14px 14px 0 0;width:100%;padding-bottom:calc(24px + env(safe-area-inset-bottom))}.mobile-hide{display:none}}@media(min-width:900px){.mobile-only{display:none}.section{padding:20px}.fullpane{grid-column:2/4;overflow:auto;height:100dvh}}@media(prefers-color-scheme:dark){:root{color:#E8EBF0;background:#0F1217;--bg:#0F1217;--panel:#171B22;--text:#E8EBF0;--muted:#9AA3B2;--line:#262C36;--accent:#8FA6F0;--need:#F08857;--wait:#75B4F4;--done:#79C694;--notice:#AAB1BF}.alert,.offline{background:#3d241a;color:#ffc5a6}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

:root{--on-accent:#fff}
@media(prefers-color-scheme:dark){:root{--on-accent:#0F1217}}
.media-pane{max-width:1180px}
.media-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.media-pane .filters{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 14px}
.media-table{display:grid;gap:6px}
.media-tr{display:grid;grid-template-columns:minmax(160px,1.3fr) 110px minmax(180px,2fr) 110px 110px;gap:12px;align-items:center;width:100%;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:12px 14px;font-variant-numeric:tabular-nums}
.media-th{background:transparent;border:0;padding:0 14px;color:var(--muted);font-size:12px}
.m-name{display:flex;flex-direction:column;gap:2px;min-width:0}
.m-next{color:var(--text);min-width:0;overflow-wrap:anywhere}
.stage-chip{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:2px 8px;font-size:12px}
.m-due.overdue{color:var(--need);font-weight:700}
@media(max-width:899px){.media-th{display:none}.media-tr{grid-template-columns:1fr auto;grid-template-areas:"name due" "next next" "stage last"}.m-name{grid-area:name}.m-next{grid-area:next}.m-due{grid-area:due}.m-last{grid-area:last;justify-self:end;color:var(--muted);font-size:12px}.media-tr>span:nth-child(2){grid-area:stage}}