:root{--accent: #b45309;--accent-fg: #ffffff;--bg: #f5f5f4;--panel: #ffffff;--ink-900: #1c1917;--ink-700: #44403c;--ink-500: #78716c;--ink-300: #d6d3d1;--ink-200: #e7e5e4;--ink-100: #f5f5f4;--danger: #b91c1c;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink-900);font-size:14px}button{font:inherit;cursor:pointer}a{color:var(--accent)}.app{display:grid;grid-template-rows:auto 1fr;height:100%}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;background:var(--ink-900);color:#fff}.topbar .brand{font-weight:700;letter-spacing:.2px}.topbar .who{font-size:12px;opacity:.8}.topbar .right{display:flex;align-items:center;gap:10px}.search{padding:7px 10px;border-radius:8px;border:1px solid var(--ink-700);background:#0002;color:#fff;width:240px}.search::placeholder{color:#fff9}.main{display:grid;grid-template-columns:220px 360px 1fr;min-height:0}@media(max-width:1000px){.main{grid-template-columns:180px 1fr}.reader-pane.empty{display:none}}.btn{border:1px solid var(--ink-300);background:var(--panel);color:var(--ink-700);border-radius:8px;padding:7px 12px;font-weight:600}.btn:hover{background:var(--ink-100)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}.btn.primary:hover{filter:brightness(.95)}.btn.ghostdanger:hover{color:var(--danger);border-color:#fca5a5;background:#fef2f2}.btn:disabled{opacity:.55;cursor:default}.sidebar{background:var(--panel);border-right:1px solid var(--ink-200);padding:12px 8px;overflow-y:auto}.sidebar .compose{width:100%;margin-bottom:12px}.folder{display:flex;justify-content:space-between;align-items:center;width:100%;text-align:left;border:0;background:none;border-radius:8px;padding:8px 10px;color:var(--ink-700)}.folder:hover{background:var(--ink-100)}.folder.active{background:color-mix(in srgb,var(--accent) 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.from:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:7px;vertical-align:middle}.row .date{color:var(--ink-500);font-size:11px;white-space:nowrap}.row .subj{color:var(--ink-700);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row.unseen .subj{color:var(--ink-900);font-weight:600}.row .meta{margin-top:2px;font-size:11px;color:var(--ink-500);display:flex;gap:8px}.pager{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 14px;border-top:1px solid var(--ink-200)}.reader-pane{min-height:0;display:flex;flex-direction:column;background:var(--panel)}.reader-pane.empty{align-items:center;justify-content:center;color:var(--ink-500)}.reader-head{padding:14px 18px;border-bottom:1px solid var(--ink-200)}.reader-head h2{margin:0 0 4px;font-size:17px}.reader-head .sub{color:var(--ink-500);font-size:12px}.reader-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.reader-body{flex:1;min-height:0}.reader-body iframe{width:100%;height:100%;border:0;background:#fff}.reader-body pre{margin:0;padding:16px 18px;white-space:pre-wrap;word-break:break-word;font:inherit;color:var(--ink-700)}.attachments{padding:10px 18px;border-top:1px solid var(--ink-200);display:flex;flex-wrap:wrap;gap:8px}.attachments a{border:1px solid var(--ink-300);border-radius:8px;padding:6px 10px;text-decoration:none;color:var(--ink-700);font-size:12px}.login-wrap{height:100%;display:grid;place-items:center;background:linear-gradient(160deg,var(--bg),#e7e5e4)}.login-card{background:var(--panel);border:1px solid var(--ink-200);border-radius:16px;padding:28px;width:360px;box-shadow:0 20px 50px #0000000f}.login-card h1{margin:0 0 4px;font-size:20px}.login-card p{margin:0 0 18px;color:var(--ink-500);font-size:13px}.field{display:block;margin-bottom:12px}.field span{display:block;font-size:12px;color:var(--ink-500);margin-bottom:4px}.input{width:100%;padding:9px 11px;border:1px solid var(--ink-300);border-radius:9px;outline:none}.input:focus{border-color:var(--accent)}.err{background:#fef2f2;border:1px solid #fecaca;color:var(--danger);border-radius:9px;padding:8px 11px;font-size:13px;margin-bottom:12px}.composer{position:fixed;right:18px;bottom:18px;width:min(620px,92vw);max-height:86vh;background:var(--panel);border:1px solid var(--ink-200);border-radius:14px;box-shadow:0 24px 60px #0000002a;display:flex;flex-direction:column;z-index:50}.composer header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--ink-200);font-weight:700}.composer .body{padding:12px 16px;overflow-y:auto}.composer .row2{display:grid;grid-template-columns:70px 1fr;align-items:center;gap:8px;margin-bottom:8px}.composer .row2 label{color:var(--ink-500);font-size:12px}.composer textarea{width:100%;min-height:220px;border:1px solid var(--ink-300);border-radius:9px;padding:10px;font:inherit;resize:vertical}.composer footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;border-top:1px solid var(--ink-200)}.muted{color:var(--ink-500);font-size:12px}.chip{font-size:11px;background:var(--ink-100);border:1px solid var(--ink-200);border-radius:999px;padding:2px 8px}.spin{padding:20px;color:var(--ink-500)}