:root{--bg:#ffffff;--panel:#f6f8fc;--panel-2:#eef1f6;--hover:#eef1f8;--border:#e3e8ef;--text:#1f2328;--muted:#5f6b7a;--muted-2:#8b95a3;--accent:#2563eb;--accent-weak:#dbe6ff;--accent-ink:#fff;--unread:#ffffff;--read:#f6f8fc;--star:#f5b400;--shadow:0 2px 10px rgba(20,30,55,.08);--shadow-lg:0 12px 40px rgba(20,30,55,.18);--danger:#d93025}:root[data-theme=dark]{--bg:#101114;--panel:#16181d;--panel-2:#1d2026;--hover:#22262e;--border:#262b33;--text:#e6e8eb;--muted:#9aa4b2;--muted-2:#6b7684;--accent:#3b82f6;--accent-weak:#1c2b47;--unread:#1a1d23;--read:#141519;--shadow:0 2px 10px rgba(0,0,0,.3);--shadow-lg:0 12px 40px rgba(0,0,0,.5);--danger:#f28b82}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Noto Sans Devanagari,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}input,textarea{font:inherit}.ic{width:20px;height:20px;flex:none}.boot{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--muted)}.boot-logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#7c3aed)}.brand-tile{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#7c3aed);display:grid;place-items:center;color:#fff;flex:none}.login{height:100%;display:grid;place-items:center;background:linear-gradient(180deg,var(--panel),var(--bg));padding:20px}.login-card{width:min(380px,100%);background:var(--bg);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);padding:28px 26px;display:flex;flex-direction:column;gap:12px}.login-brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:19px}.login-sub{margin:0 0 6px;color:var(--muted);font-size:13.5px}.fld{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--muted)}.fld input{height:44px;border:1px solid var(--border);background:var(--panel);border-radius:11px;padding:0 13px;color:var(--text);outline:none}.fld input:focus{border-color:var(--accent);background:var(--bg)}.login-err{background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger);border-radius:9px;padding:9px 12px;font-size:13px}.login-btn{height:46px;border-radius:12px;background:var(--accent);color:#fff;font-weight:600;font-size:14.5px;margin-top:4px}.login-btn:disabled{opacity:.6}.login-foot{text-align:center;color:var(--muted-2);font-size:12px;margin-top:2px}.app{height:100%;display:flex;flex-direction:column}.topbar{height:60px;display:flex;align-items:center;gap:14px;padding:0 16px;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:18px}.search{flex:1;max-width:720px;margin:0 auto;position:relative;display:flex;align-items:center;height:46px;background:var(--panel);border-radius:12px;padding:0 14px;gap:10px;color:var(--muted)}.search input{flex:1;border:none;background:none;outline:none;color:var(--text);font-size:14.5px}.topright{display:flex;align-items:center;gap:8px}.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#0891b2,#2563eb);color:#fff;display:grid;place-items:center;font-weight:600;font-size:13px;flex:none}.iconbtn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:var(--muted)}.iconbtn:hover{background:var(--hover);color:var(--text)}.errbar{background:var(--danger);color:#fff;padding:8px 16px;font-size:13px;cursor:pointer;text-align:center}.grow{flex:1}.main{flex:1;display:flex;min-height:0}.sidebar{width:256px;flex:none;padding:12px 10px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:2px;overflow-y:auto}.compose-btn{align-self:flex-start;display:flex;align-items:center;gap:12px;height:52px;padding:0 22px 0 18px;border-radius:16px;background:var(--accent);color:#fff;font-weight:600;font-size:14.5px;box-shadow:var(--shadow);margin:4px 4px 14px}.compose-btn:hover{filter:brightness(1.06);box-shadow:var(--shadow-lg)}.folders{display:flex;flex-direction:column;gap:1px}.folder{display:flex;align-items:center;gap:16px;height:40px;padding:0 14px;border-radius:0 20px 20px 0;color:var(--text);font-size:14px;text-align:left;width:100%}.folder:hover{background:var(--hover)}.folder.active{background:var(--accent-weak);color:var(--accent);font-weight:600}.folder .fname{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.listcol{width:min(42%,460px);flex:none;display:flex;flex-direction:column;border-right:1px solid var(--border);min-width:300px}.listbar{height:48px;display:flex;align-items:center;gap:6px;padding:0 12px;border-bottom:1px solid var(--border)}.count{font-size:12.5px;color:var(--muted)}.rows{overflow-y:auto;flex:1}.empty{display:grid;place-items:center;height:100%;color:var(--muted-2);padding:30px;text-align:center}.row{display:flex;align-items:center;gap:12px;padding:0 14px;height:56px;border-bottom:1px solid var(--border);cursor:pointer;background:var(--read)}.row.unread{background:var(--unread)}.row:hover{box-shadow:var(--shadow);position:relative;z-index:1}.row.sel{background:var(--accent-weak)}.starbtn{color:var(--muted-2);flex:none;display:grid;place-items:center}.star.on{color:var(--star)}.star{width:18px;height:18px}.from{width:160px;flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row.unread .from{font-weight:700}.subjwrap{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row.unread .subj{font-weight:700}.meta{flex:none;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12.5px}.meta .ic{width:15px;height:15px}.row.unread .time{color:var(--text);font-weight:600}.readcol{flex:1;min-width:0;display:flex;flex-direction:column}.reader-empty{color:var(--muted-2)}.readbar{height:48px;display:flex;align-items:center;gap:2px;padding:0 8px;border-bottom:1px solid var(--border)}.readbody{overflow-y:auto;flex:1;padding:20px 28px 40px}.rsubject{font-size:21px;font-weight:600;margin:6px 0 16px;line-height:1.3}.senderline{display:flex;align-items:center;gap:12px;margin-bottom:18px}.senderline .avatar{width:40px;height:40px;font-size:15px}.senderline .who{flex:1;min-width:0}.senderline .who b{font-size:14.5px}.senderline .who .addr,.senderline .when{color:var(--muted);font-size:12.5px}.remote-note{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:8px 12px;font-size:12.5px;color:var(--muted);margin-bottom:12px;display:flex;gap:10px;align-items:center}.remote-note button{color:var(--accent);font-weight:600}.mailframe{width:100%;border:none;min-height:120px;background:#fff;border-radius:8px}.attachments{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.att{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:10px;padding:10px 14px;background:var(--panel);color:var(--text);text-decoration:none}.att:hover{border-color:var(--accent)}.att span{display:flex;flex-direction:column}.att small{color:var(--muted);font-size:12px}.reply-inline{display:flex;align-items:center;gap:10px;margin-top:22px;border:1px solid var(--border);border-radius:14px;padding:14px 16px;color:var(--muted);cursor:text}.reply-inline:hover{border-color:var(--accent);color:var(--text)}.composer{position:fixed;right:24px;bottom:0;width:540px;max-width:calc(100vw - 48px);background:var(--bg);border-radius:14px 14px 0 0;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;z-index:40;border:1px solid var(--border)}.chd{background:var(--panel-2);border-radius:14px 14px 0 0;padding:8px 10px 8px 16px;display:flex;align-items:center;font-weight:600;font-size:13.5px}.chd .iconbtn{width:30px;height:30px;margin-left:auto}.cfld{display:flex;align-items:center;gap:8px;padding:8px 16px;border-bottom:1px solid var(--border)}.cfld label{color:var(--muted);width:52px;font-size:13px}.cfld input{flex:1;border:none;background:none;outline:none;color:var(--text);font-size:14px}.cbody{border:none;outline:none;resize:none;background:none;color:var(--text);padding:14px 16px;min-height:220px;line-height:1.6;font-size:14.5px}.cft{display:flex;align-items:center;gap:6px;padding:10px 14px;border-top:1px solid var(--border)}.sendbtn{display:flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-weight:600;padding:9px 20px;border-radius:22px}.sendbtn:hover{filter:brightness(1.06)}.sendbtn:disabled{opacity:.6}@media (max-width:860px){.listcol{width:100%}.readcol{position:absolute;top:60px;right:0;bottom:0;left:0;background:var(--bg);z-index:10}.readcol:not(.open){display:none}.sidebar{position:absolute;z-index:20;background:var(--bg);height:calc(100% - 60px)}}