:root{--ink:#172c29;--muted:#788782;--line:#e1e8e4;--accent:#176551;--paper:#fff;--wash:#f5f7f5;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);font-size:14px}*{box-sizing:border-box}body{margin:0;background:var(--paper)}[hidden]{display:none!important}button,input,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:7px;padding:9px 13px;transition:background .15s,border-color .15s,transform .15s}button:hover{background:#eef3ef;border-color:#a3bfb0}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--accent);border-color:var(--accent);color:#fff}.primary:hover{background:#12503f;color:#fff}.muted,.eyebrow{color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:.13em;margin:0 0 8px;text-transform:uppercase}h1,h2,p{margin-top:0}h1{font-size:25px;font-weight:650;letter-spacing:-.03em}h2{font-size:21px;line-height:1.45;font-weight:600}input,textarea{width:100%;border:1px solid #cedbd3;border-radius:6px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #17655112}textarea{resize:vertical}label{display:block;font-size:12px;color:#53635b;margin-bottom:14px}label input,label textarea{display:block;margin-top:7px;font-size:14px}label input[type=checkbox]{display:inline-block;width:auto;margin:0 9px 0 0}.auth-screen{min-height:100dvh;background:linear-gradient(100deg,#eff3ee 0,#eff3ee 34%,#fff 34%,#fff 100%);display:grid;place-items:center}.auth-box{width:min(410px,90vw);padding:42px 0}.brandmark{font-size:48px;font-weight:800;margin-bottom:40px;color:var(--accent);letter-spacing:-.08em}.brandmark span{font-size:15px;letter-spacing:.15em;padding-left:16px;font-weight:450}.auth-box h1{font-size:29px}.auth-box form{margin-top:28px}.auth-box .primary{width:100%;padding:12px}.auth-footer{font-size:12px;line-height:1.8;color:var(--muted);margin:36px 0 0}.error{color:#a64039;white-space:pre-wrap;font-size:13px}.warning{font-size:12px;background:#fff7df;color:#84641f;padding:11px;line-height:1.6;border-radius:6px}.workspace{height:100dvh;display:grid;grid-template-columns:225px 390px minmax(400px,1fr)}.sidebar{background:var(--wash);border-right:1px solid var(--line);padding:27px 16px 16px;display:flex;flex-direction:column;overflow:auto}.side-brand{font-size:22px;font-weight:750;margin:0 10px 29px;letter-spacing:-.04em}.side-brand span{font-size:13px;color:var(--muted);font-weight:450;padding-left:9px}.section-label{font-size:10px;letter-spacing:.13em;color:#93a299;margin:12px 10px}.account-button,.folder-button,.nav-action{width:100%;border:0;text-align:left;background:transparent;padding:11px 12px;margin-bottom:3px;border-radius:6px}.account-button strong{display:block;font-size:14px;font-weight:550}.account-button small{display:block;font-size:10px;color:var(--muted);margin-top:4px;overflow:hidden;text-overflow:ellipsis}.account-button.active,.folder-button.active{background:#e4ede6;color:var(--accent)}.folder-button{font-size:13px;overflow:hidden;text-overflow:ellipsis}.side-bottom{margin-top:auto;padding-top:32px}.nav-action{font-size:12px}.mail-list{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.list-header{padding:25px 23px 16px;display:flex;align-items:center;justify-content:space-between}.list-header h1{margin:0}.icon-button{border:0;background:transparent;font-size:23px;line-height:1;padding:8px}.search{display:flex;gap:7px;padding:0 20px 12px}.search input{padding:10px;font-size:12px;background:#fafbf9}.search button{padding:7px 10px;font-size:12px}.range-note{font-size:10px;line-height:1.6;color:#939e96;margin:0;padding:0 23px 12px;border-bottom:1px solid var(--line)}.list-status{font-size:11px;color:var(--muted);min-height:36px;padding:12px 23px}.message-list{flex:1;overflow:auto}.message-row{width:100%;padding:17px 23px;border:0;border-bottom:1px solid #edf0ec;border-radius:0;text-align:left;display:block;position:relative}.message-row.active{background:#eef5ef;box-shadow:inset 3px 0 var(--accent)}.row-top{display:flex;gap:8px;justify-content:space-between;color:#52645a;margin-bottom:7px}.row-top strong{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.row-top time{font-size:10px;white-space:nowrap;color:#92a097}.row-subject{font-size:13px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.message-row.unread .row-subject{font-weight:600}.pager{display:flex;align-items:center;justify-content:space-between;padding:13px 20px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.pager button{font-size:11px;padding:6px 9px}.reader{overflow:auto;padding:31px 38px;background:#fff}.empty-reader{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#a3afa7;gap:6px}.empty-symbol{font-size:45px;font-weight:300;margin-bottom:8px;color:#b9c8be}.empty-reader h2{font-size:17px;font-weight:400;color:#829288}.empty-reader p{font-size:12px;line-height:1.8}.reader-header{display:flex;gap:20px;justify-content:space-between;align-items:flex-start}.reader-header h2{margin-bottom:23px;word-break:break-word}.reader-header button{flex-shrink:0}.message-meta{display:grid;grid-template-columns:52px 1fr;gap:10px 7px;font-size:11px;margin:0 0 22px;line-height:1.6}.message-meta dt{color:var(--muted)}.message-meta dd{margin:0;overflow-wrap:anywhere;color:#596a60}.attachment-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.attachment-list a{font-size:11px;color:var(--accent);text-decoration:none;border:1px solid #dce8df;border-radius:5px;padding:8px 10px}.attachment-list a:hover{background:#eef5ef}.body-actions{border-top:1px solid var(--line);padding:12px 0;display:flex;flex-wrap:wrap;gap:14px;color:#9aa69e;font-size:10px}.body-actions a{color:var(--accent)}.mail-body{font-family:inherit;font-size:13px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;color:#34453a;margin-top:12px}dialog{border:1px solid var(--line);border-radius:12px;padding:0;box-shadow:0 25px 90px #173a2928;max-height:92dvh;max-width:92vw;width:760px}dialog::backdrop{background:#10271b66;backdrop-filter:blur(3px)}.dialog-form{padding:25px 29px}.dialog-form header,.info-header{display:flex;align-items:flex-start;justify-content:space-between}.dialog-form h2{margin-bottom:12px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:15px}.dialog-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:15px}.dialog-footer span{font-size:11px;color:var(--muted)}.info-header{padding:25px 29px 5px}.info-content{padding:5px 29px 28px;max-height:70dvh;overflow:auto}.info-content p,.info-content li{line-height:1.8;font-size:13px}.info-content h3{font-size:15px;margin:24px 0 10px}.code{padding:12px 14px;background:#f2f5f1;border-radius:5px;white-space:pre-wrap;overflow-wrap:anywhere;font-family:Consolas,monospace;font-size:12px}.token-row{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.toast{position:fixed;bottom:25px;right:25px;max-width:430px;padding:15px 20px;border:1px solid #bdd5c7;background:#f2f9f3;box-shadow:0 8px 25px #19382615;border-radius:8px;color:#24513a;font-size:13px;z-index:30}@media(max-width:1250px){.workspace{grid-template-columns:190px 330px minmax(360px,1fr)}.reader{padding:25px}.sidebar{padding:22px 10px}}@media(max-width:930px){.workspace{grid-template-columns:160px 290px minmax(330px,1fr);overflow:auto}.reader{padding:20px}.message-row{padding:15px}.list-header{padding:22px 15px}.search{padding:0 12px 12px}}@media(max-width:680px){.workspace{height:auto;min-height:100dvh;grid-template-columns:1fr;overflow:visible}.sidebar{display:block;padding:17px}.side-brand{margin-bottom:10px}.sidebar #accounts{display:flex}.section-label,.side-bottom,#folders{display:none}.mail-list{height:55dvh;border-right:0;border-top:1px solid var(--line)}.reader{min-height:40dvh}.empty-reader{min-height:200px}.auth-screen{background:#f6f8f5}.two-fields{grid-template-columns:1fr}.dialog-form{padding:20px}.dialog-footer{align-items:flex-end}.dialog-footer span{max-width:180px}.reader-header h2{font-size:18px}}
/* Keep navigation and authorization available on phones too. */
.search button{white-space:nowrap;flex-shrink:0}
@media(max-width:680px){.sidebar #folders{display:flex;gap:6px;overflow-x:auto}.sidebar .folder-button{width:auto;flex-shrink:0}.sidebar .side-bottom{display:flex;flex-wrap:wrap;gap:3px;padding-top:10px}.side-bottom .nav-action{width:auto;font-size:11px}.sidebar .section-label{display:none}}