:root{--green:#148a4b;--green-dark:#0c6b39;--bg:#f3f6f5;--panel:#fff;--text:#1d2823;--muted:#6b7771;--line:#dce5e0;--danger:#c63d3d;--shadow:0 12px 32px rgba(18,50,34,.08)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg)}a{color:var(--green-dark);text-decoration:none}.login-page{display:grid;place-items:center;min-height:100vh;padding:24px;background:radial-gradient(circle at top right,#dff5e7 0,transparent 35%),var(--bg)}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:38px;box-shadow:var(--shadow)}.login-card h1{margin:12px 0 2px;text-align:center;font-size:28px}.login-card>.muted{text-align:center;margin-bottom:28px}.brand-mark{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;margin:auto;background:linear-gradient(145deg,var(--green),var(--green-dark));color:#fff;font-weight:800;font-size:30px;box-shadow:0 10px 24px rgba(20,138,75,.25)}.brand-mark.small{width:38px;height:38px;margin:0;border-radius:10px;font-size:20px}.muted{color:var(--muted)}label{display:block;font-size:13px;font-weight:700;margin:14px 0 6px}input,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 13px;font:inherit;background:#fff;outline:none}input:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(20,138,75,.1)}textarea{resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 14px;border-radius:10px;font-weight:700;cursor:pointer}.btn.primary{background:var(--green);border-color:var(--green);color:#fff}.btn.primary:hover{background:var(--green-dark)}.login-card .btn{width:100%;margin-top:18px}.btn.danger{color:#fff;background:var(--danger);border-color:var(--danger)}.server-note{text-align:center;color:var(--muted);font-size:12px;margin-top:22px}.alert{padding:12px 14px;border-radius:10px;margin:0 0 16px}.alert.error{background:#fff0f0;color:#982e2e;border:1px solid #f2c8c8}.alert.success{background:#ecf9f1;color:#0e6a39;border:1px solid #ccebd9}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:11px}.brand strong,.brand small{display:block}.brand small{color:var(--muted)}.account{display:flex;align-items:center;gap:14px;font-size:14px}.shell{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:calc(100vh - 70px)}.sidebar{background:#fff;border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column}.compose{width:100%;margin-bottom:18px}.sidebar nav{display:grid;gap:5px}.sidebar nav a{padding:10px 12px;border-radius:9px;color:var(--text);display:flex;gap:10px;align-items:center}.sidebar nav a:hover,.sidebar nav a.active{background:#e9f6ef;color:var(--green-dark);font-weight:700}.sidebar-foot{margin-top:auto;border-top:1px solid var(--line);padding:14px 10px 0;color:var(--muted);font-size:12px;line-height:1.6}.content{padding:22px;min-width:0}.panel{background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 7px 22px rgba(18,50,34,.04);overflow:hidden}.panel-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.panel-head h2{margin:0;font-size:21px}.message-row{display:grid;grid-template-columns:minmax(190px,1fr) minmax(300px,2.4fr) 145px;gap:16px;align-items:center;padding:12px 18px;border-bottom:1px solid #edf1ef;color:var(--text)}.message-row:hover{background:#f8fbf9}.message-row.unread{background:#f0faf4}.message-row.unread .sender,.message-row.unread .subject strong{font-weight:800}.sender,.subject{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.subject{display:flex;justify-content:space-between;gap:8px}.subject span,.date{color:var(--muted);font-size:12px}.date{text-align:right}.empty{padding:60px 20px;text-align:center;color:var(--muted)}.pager{display:flex;justify-content:center;align-items:center;gap:14px;padding:15px}.compose-panel{padding-bottom:18px}.compose-panel form{padding:0 18px}.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-actions{margin-top:16px}.message-view{padding-bottom:24px}.message-actions{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;gap:8px}.message-actions form{margin:0}.message-view h2{padding:10px 20px 0;margin-bottom:8px}.meta{padding:0 20px 16px;color:var(--muted);font-size:13px;line-height:1.7;border-bottom:1px solid var(--line)}.attachments{padding:12px 20px;background:#fbfdfc;border-bottom:1px solid var(--line);display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:13px}.attachments a{padding:7px 9px;border:1px solid var(--line);border-radius:8px;background:#fff}.mail-body{padding:24px 20px;line-height:1.55;overflow:auto}.mail-body img{max-width:100%;height:auto}.mail-body pre{white-space:pre-wrap;font-family:inherit}.account a{font-weight:700}.account span{color:var(--muted)}@media(max-width:800px){.shell{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line);display:block}.sidebar nav{display:flex;overflow:auto}.sidebar nav a{white-space:nowrap}.sidebar-foot{display:none}.content{padding:10px}.message-row{grid-template-columns:1fr auto;gap:5px 12px}.message-row .subject{grid-column:1/-1;grid-row:2}.sender{font-weight:700}.account span{display:none}.two{grid-template-columns:1fr}.login-card{padding:26px 20px}}

.editor-toolbar{display:flex;flex-wrap:wrap;gap:6px;padding:8px;border:1px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0;background:#f8fbf9}.editor-toolbar button{min-width:38px;border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 9px;cursor:pointer;font:inherit}.editor-toolbar button:hover{background:#e9f6ef}.html-editor{min-height:300px;border:1px solid var(--line);border-radius:0 0 10px 10px;padding:14px;background:#fff;outline:none;line-height:1.5}.html-editor:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(20,138,75,.1)}

.settings-link{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}.settings-link a{padding:10px 12px;border-radius:9px;color:var(--text);display:flex;gap:10px;align-items:center}.settings-link a:hover,.settings-link a.active{background:#e9f6ef;color:var(--green-dark);font-weight:700}.settings-panel form{padding:6px 18px 20px;max-width:720px}.setting-help{margin:7px 0 18px;color:var(--muted);font-size:13px;line-height:1.5}