:root{--bg:#f6f8fc;--surface:#fff;--surface2:#edf2fa;--line:#dde3ec;--text:#1f1f1f;--muted:#647086;--primary:#0b57d0;--primary2:#d3e3fd;--danger:#b3261e;--ok:#137333;--warn:#b06000;--shadow:0 1px 2px rgba(25,39,52,.08),0 3px 12px rgba(25,39,52,.06);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-size:14px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.app{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{padding:16px 12px;position:sticky;top:0;height:100vh;overflow:auto}.brand{display:flex;align-items:center;gap:10px;padding:4px 10px 18px;font-size:19px;font-weight:700}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--primary);color:#fff;font-weight:800}.compose-btn{display:flex;align-items:center;gap:10px;border:0;background:#c2e7ff;padding:15px 22px;border-radius:18px;font-weight:700;margin:4px 0 16px;box-shadow:var(--shadow)}.nav{display:flex;flex-direction:column;gap:2px}.nav a{padding:9px 14px;border-radius:0 18px 18px 0;display:flex;justify-content:space-between;gap:10px}.nav a:hover{background:#e8edf5}.nav a.active{background:var(--primary2);font-weight:700}.nav-section{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:20px 14px 8px}.main{min-width:0;padding:8px 12px 22px 0}.topbar{height:62px;display:flex;align-items:center;gap:14px}.search{flex:1;max-width:720px;position:relative}.search input{width:100%;border:0;background:#eaf1fb;border-radius:24px;padding:13px 18px 13px 44px;outline:none}.search:before{content:"⌕";position:absolute;left:16px;top:8px;font-size:25px;color:var(--muted)}.top-actions{margin-left:auto;display:flex;gap:8px;align-items:center}.pill,.btn{border:1px solid var(--line);background:var(--surface);padding:9px 13px;border-radius:10px;display:inline-flex;gap:7px;align-items:center;justify-content:center}.btn:hover,.pill:hover{box-shadow:var(--shadow)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.danger{color:var(--danger);border-color:#f0c2bd}.btn.ghost{border-color:transparent;background:transparent}.btn.small{padding:6px 9px;font-size:12px}.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.mail-card{overflow:hidden;min-height:calc(100vh - 82px)}.toolbar{min-height:54px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:8px 14px}.toolbar h1{font-size:18px;margin:0}.toolbar .spacer{flex:1}.mailbox-select{border:1px solid var(--line);background:#fff;padding:8px 10px;border-radius:9px;max-width:300px}.thread-row{display:grid;grid-template-columns:32px minmax(150px,240px) minmax(200px,1fr) 112px;gap:8px;align-items:center;padding:9px 14px;border-bottom:1px solid #edf0f4;min-height:48px}.thread-row:hover{box-shadow:inset 0 1px #d6dce4,inset 0 -1px #d6dce4;position:relative}.thread-row.unread{font-weight:700;background:#fff}.thread-row.read{background:#f6f8fc}.star{font-size:18px;color:#a4a9b2}.star.on{color:#f4b400}.subject{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.snippet{color:var(--muted);font-weight:400}.participants{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.date{text-align:right;color:var(--muted);font-size:12px}.badge{display:inline-flex;padding:3px 7px;border-radius:999px;background:var(--surface2);font-size:11px;color:var(--muted)}.badge.ok{background:#e6f4ea;color:var(--ok)}.badge.warn{background:#fff1d6;color:var(--warn)}.badge.danger{background:#fce8e6;color:var(--danger)}.empty{padding:70px 24px;text-align:center;color:var(--muted)}.thread-head{padding:20px 22px;border-bottom:1px solid var(--line)}.thread-head h1{font-size:22px;margin:0 0 8px}.message{padding:18px 22px;border-bottom:1px solid var(--line)}.message-meta{display:flex;gap:12px;align-items:flex-start}.avatar{width:38px;height:38px;border-radius:50%;background:#dbe4f4;display:grid;place-items:center;font-weight:800}.message-who{flex:1}.message-who strong{display:block}.message-addresses{color:var(--muted);font-size:12px;margin-top:2px}.message-date{color:var(--muted);font-size:12px}.message-body{margin:14px 0 0 50px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.message-html{white-space:normal}.attachments{margin:14px 0 0 50px;display:flex;gap:8px;flex-wrap:wrap}.attachment{border:1px solid var(--line);border-radius:9px;padding:8px 10px;background:#fafbfc}.reply-box{padding:18px 22px}.reply-box textarea{min-height:120px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid .full{grid-column:1/-1}label{display:flex;flex-direction:column;gap:6px;font-weight:600;color:#394357}input[type=text],input[type=email],input[type=password],input[type=number],input[type=datetime-local],select,textarea{width:100%;border:1px solid #cbd3df;background:#fff;border-radius:9px;padding:9px 11px;color:var(--text);outline:none}textarea{min-height:130px;resize:vertical;font-family:inherit}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(11,87,208,.12)}.checkbox{display:flex;flex-direction:row;align-items:center;gap:8px;font-weight:500}.page{max-width:1180px;margin:0 auto}.page-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:10px 0 16px}.page-head h1{margin:0;font-size:24px}.section{padding:20px;margin-bottom:16px}.section h2{margin:0 0 6px;font-size:18px}.section h3{margin:18px 0 8px}.muted{color:var(--muted)}.help{color:var(--muted);font-size:12px;line-height:1.45}.alert{padding:11px 13px;border-radius:10px;margin:10px 0;background:#e8f0fe;color:#174ea6}.alert.ok{background:#e6f4ea;color:var(--ok)}.alert.error{background:#fce8e6;color:var(--danger)}.alert.warn{background:#fff4df;color:var(--warn)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 9px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.actions{display:flex;gap:7px;flex-wrap:wrap}.split{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:16px}.token{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all;background:#10151d;color:#d7e3f4;padding:13px;border-radius:10px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}.stat{border:1px solid var(--line);border-radius:12px;padding:14px}.stat b{display:block;font-size:21px;margin-top:4px}.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eef4ff,#f8f9fb)}.login-card,.simple-card{width:min(420px,calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}.login-card .brand-mark{margin-bottom:16px}.login-card form{display:grid;gap:14px}.login-card .btn{margin-top:4px}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f1f3f6;padding:2px 5px;border-radius:5px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px}.tabs a{padding:10px 13px;border-bottom:2px solid transparent}.tabs a.active{border-bottom-color:var(--primary);color:var(--primary);font-weight:700}.danger-zone{border-color:#f2c6c2}.pre{white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:#f6f8fa;padding:12px;border-radius:10px;max-height:480px;overflow:auto}@media(max-width:900px){.app{grid-template-columns:74px 1fr}.sidebar{padding:12px 6px}.brand span,.nav a span,.nav-section,.compose-btn span{display:none}.brand{justify-content:center}.compose-btn{width:52px;height:52px;padding:0;justify-content:center;margin-inline:auto}.nav a{justify-content:center;border-radius:16px;padding:10px}.main{padding-right:8px}.split{grid-template-columns:1fr}.thread-row{grid-template-columns:28px 140px 1fr 80px}}@media(max-width:640px){.app{display:block}.sidebar{position:static;height:auto;display:flex;align-items:center;gap:4px;overflow:auto}.brand{padding:0}.nav{flex-direction:row}.compose-btn{margin:0}.main{padding:0 6px 12px}.thread-row{grid-template-columns:24px 1fr 70px}.thread-row .subject{grid-column:2/3}.participants{display:none}.form-grid{grid-template-columns:1fr}.topbar{height:auto;padding:6px 0}.top-actions{display:none}.message-body,.attachments{margin-left:0}}