:root{--paper:#f2ece0;--surface:#fdfaf3;--surface-alt:#f7f1e6;--ink:#2b2620;--ink-strong:#171310;--muted:#7a6f5f;--line:#2b26201f;--line-soft:#2b262012;--accent:#5b57c9;--accent-soft:#e4e2f7;--accent-ink:#322f7a;--danger:#a8443a;--rail-width:256px;--panel-width:460px;--font-ui:"Inter", "Helvetica Neue", system-ui, -apple-system, sans-serif;--font-read:"Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif}*{box-sizing:border-box}html,body{background:var(--paper);height:100%;color:var(--ink);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;margin:0;font-size:14px;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}.icon{flex:none}.app{grid-template-rows:64px minmax(0,1fr);height:100%;display:grid}.topbar{border-bottom:1px solid var(--line-soft);align-items:center;gap:12px;padding:0 16px;display:flex}.iconbtn{width:40px;height:40px;color:var(--muted);border-radius:50%;place-items:center;display:grid}.iconbtn:hover{background:var(--surface-alt);color:var(--ink)}.brand{width:calc(var(--rail-width) - 68px);font-family:var(--font-read);letter-spacing:.01em;color:var(--ink-strong);align-items:center;gap:8px;font-size:20px;display:flex}.brand .icon{color:var(--accent)}.search{background:var(--surface-alt);max-width:720px;height:44px;color:var(--muted);border-radius:22px;flex:1;align-items:center;padding:0 12px 0 14px;transition:background .15s,box-shadow .15s;display:flex;position:relative}.search:focus-within{background:var(--surface);box-shadow:0 1px 8px #2b262024}.search input{min-width:0;height:100%;font:inherit;color:var(--ink);background:0 0;border:0;outline:0;flex:1;padding:0 10px}.search input::placeholder{color:var(--muted)}.search .clear{color:var(--muted);display:none}.search.has-query .clear{border-radius:50%;place-items:center;width:28px;height:28px;display:grid}.search .clear:hover{background:var(--line-soft)}.langs{background:var(--surface-alt);border-radius:16px;gap:2px;margin-left:auto;padding:3px;display:flex}.langs button{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border-radius:13px;padding:4px 9px;font-size:11px}.langs button[aria-pressed=true]{background:var(--surface);color:var(--accent-ink);box-shadow:0 1px 3px #2b26201f}.avatar{background:var(--accent);color:#fff;border-radius:50%;place-items:center;width:34px;height:34px;font-size:13px;font-weight:600;display:grid}.body{grid-template-columns:var(--rail-width) minmax(0, 1fr);min-height:0;transition:grid-template-columns .18s;display:grid}.body.rail-collapsed{grid-template-columns:0 minmax(0,1fr)}.rail{padding:8px 8px 32px;overflow:hidden auto}.compose{background:var(--accent-soft);color:var(--accent-ink);border-radius:16px;align-items:center;gap:10px;margin:4px 4px 12px;padding:12px 22px;font-size:14px;font-weight:500;display:flex;box-shadow:0 1px 3px #2b26201f}.compose[disabled]{cursor:default;opacity:.62;box-shadow:none}.rail ul{margin:0;padding:0;list-style:none}.rail li>button{width:100%;height:34px;color:var(--ink);white-space:nowrap;border-radius:0 17px 17px 0;align-items:center;gap:14px;padding:0 12px 0 14px;display:flex}.rail li>button:hover{background:var(--surface-alt)}.rail li>button[aria-current=true]{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}.rail .count{color:var(--muted);margin-left:auto;font-size:12px;font-weight:600}.rail li>button[aria-current=true] .count{color:var(--accent-ink)}.rail li.graph-item>button{font-family:var(--font-read);font-size:15px}.rail li.graph-item{border-bottom:1px solid var(--line-soft);margin-bottom:8px;padding-bottom:8px}.rail h2{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:18px 0 6px 16px;font-size:11px;font-weight:600}.content{background:var(--surface);border-radius:16px 0 0;min-width:0;min-height:0;display:flex;position:relative;overflow:hidden}.view{flex:1;min-width:0;min-height:0;display:none}.view.active{flex-direction:column;display:flex}#gpu{touch-action:none;cursor:grab;width:100%;height:100%;display:block;position:absolute;inset:0}#gpu:active{cursor:grabbing}.lenses{z-index:2;flex-wrap:wrap;gap:6px;display:flex;position:absolute;top:14px;left:16px}.lenses button{color:var(--ink);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#fdfaf3d1;border-radius:16px;padding:7px 14px;font-size:13px;box-shadow:0 1px 3px #2b262029}.lenses button[aria-pressed=true]{background:var(--accent);color:#fff}.graph-status{z-index:2;color:var(--muted);pointer-events:none;text-shadow:0 1px #fdfaf3cc;font-size:12px;position:absolute;bottom:14px;left:16px;right:16px}.graph-status strong{color:var(--accent-ink);font-weight:600}.tabs{border-bottom:1px solid var(--line-soft);flex:none;gap:4px;padding:0 8px;display:flex}.tabs button{color:var(--muted);padding:14px 18px;font-size:14px;position:relative}.tabs button[aria-pressed=true]{color:var(--accent-ink);font-weight:600}.tabs button[aria-pressed=true]:after{content:"";background:var(--accent);border-radius:3px 3px 0 0;height:3px;position:absolute;bottom:-1px;left:12px;right:12px}.listhead{color:var(--muted);flex:none;align-items:center;gap:12px;padding:10px 18px;font-size:12px;display:flex}.threads{flex:1;min-height:0;overflow-y:auto}.row{border-bottom:1px solid var(--line-soft);text-align:left;width:100%;height:42px;color:var(--ink);align-items:center;gap:12px;padding:0 18px;display:flex}.row:hover{background:var(--surface-alt);box-shadow:inset 1px 0 0 var(--line), 0 1px 2px #2b26201a}.row[aria-current=true]{background:var(--accent-soft)}.row.unread{background:#fffefb}.row.unread .from,.row.unread .subject,.row.unread .date{color:var(--ink-strong);font-weight:700}.row .star{color:#2b262047}.row .star.on{color:#d8a13a}.row .from{text-overflow:ellipsis;white-space:nowrap;flex:none;width:190px;overflow:hidden}.row .subject{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.row .snippet{color:var(--muted);font-weight:400}.row .meta{color:var(--muted);flex:none;align-items:center;gap:8px;font-size:12px;display:flex}.row .date{text-align:right;width:76px}.chip{background:var(--accent-soft);color:var(--accent-ink);white-space:nowrap;border-radius:10px;flex:none;padding:1px 8px;font-size:11px;font-weight:500}.empty{height:100%;color:var(--muted);font-family:var(--font-read);text-align:center;place-items:center;padding:48px;font-size:16px;display:grid}.more{width:100%;color:var(--accent);padding:14px;font-weight:500;display:block}.panel{background:var(--surface);border-left:1px solid var(--line);flex-direction:column;min-height:0;display:none}.panel.open{display:flex}.content.mode-list .panel.open{width:var(--panel-width);flex:none;position:relative}.content.mode-graph .panel.open{width:var(--panel-width);z-index:3;position:absolute;top:0;bottom:0;right:0;box-shadow:-8px 0 28px #2b26202e}.panel header{border-bottom:1px solid var(--line-soft);flex:none;align-items:flex-start;gap:12px;padding:16px 18px 12px;display:flex}.panel header h1{min-width:0;font-family:var(--font-read);color:var(--ink-strong);flex:1;margin:0;font-size:19px;font-weight:600;line-height:1.3}.panel .sub{font-size:12px;font-family:var(--font-ui);color:var(--muted);margin-top:4px;font-weight:400}.messages{flex:1;min-height:0;padding:8px 0 40px;overflow-y:auto}.msg{border-bottom:1px solid var(--line-soft);padding:14px 18px}.msg .who{align-items:baseline;gap:8px;margin-bottom:2px;display:flex}.msg .who .name{color:var(--ink-strong);font-weight:600}.msg .who .addr,.msg .who .when{color:var(--muted);font-size:12px}.msg .who .when{margin-left:auto}.msg .to{color:var(--muted);margin-bottom:10px;font-size:12px}.msg iframe{background:#fff;border:0;border-radius:6px;width:100%;display:block}.notice{background:var(--surface-alt);color:var(--muted);border-radius:8px;align-items:center;gap:10px;margin:10px 0;padding:8px 12px;font-size:12px;display:flex}.notice button{color:var(--accent);font-weight:500}.attachments{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.attachments .file{border:1px solid var(--line);color:var(--muted);border-radius:8px;align-items:center;gap:6px;padding:6px 10px;font-size:12px;display:flex}.panel footer{border-top:1px solid var(--line-soft);flex:none;padding:12px 18px;font-size:12px}.panel footer a{color:var(--accent)}.gate{z-index:10;background:var(--paper);text-align:center;place-items:center;padding:32px;display:grid;position:fixed;inset:0}.gate[hidden]{display:none}.gate>div{max-width:44ch}.gate h1{font-family:var(--font-read);color:var(--ink-strong);margin:0 0 12px;font-size:24px;font-weight:600;line-height:1.25}.gate p{color:var(--muted);margin:0;font-size:15px;line-height:1.6}body.gated .app{display:none}@media (width<=900px){.app{grid-template-columns:minmax(0,1fr)}.topbar{gap:8px;padding:0 8px}.brand{display:none}.search{min-width:0}.body,.body.rail-collapsed{grid-template-columns:minmax(0,1fr);position:relative}.rail{z-index:8;width:var(--rail-width);background:var(--surface);border-right:1px solid var(--line);transition:transform .18s;position:absolute;top:0;bottom:0;left:0;transform:translate(-100%);box-shadow:8px 0 28px #2b26202e}.body:not(.rail-collapsed) .rail{transform:none}.content.mode-list .panel.open,.content.mode-graph .panel.open{z-index:7;width:100%;position:absolute;inset:0}}