:root{--blue:#175dfb;--navy:#0a2540;--bg:#f5f7fb;--line:#e4e8f0;--text:#172033;--muted:#667085}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}button,input,textarea{font:inherit}button{cursor:pointer}.top{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 20px;position:sticky;top:0;z-index:10}.logo,.brand{width:38px;height:38px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px}.user{margin-left:auto;color:var(--muted);font-size:13px}.logout{color:#667085;font-size:13px}.search{flex:1;max-width:680px;margin-left:30px}.search input{width:100%;padding:11px 16px;border:1px solid var(--line);border-radius:12px;background:#f7f9fc;outline:none}.layout{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 64px)}aside{background:#fff;border-right:1px solid var(--line);padding:20px 14px}.compose{width:100%;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:13px;font-weight:700;margin-bottom:20px}nav a{display:block;padding:11px 13px;border-radius:9px;margin:3px 0;color:#4b5565}nav a.active,nav a:hover{background:#eef4ff;color:var(--blue);font-weight:700}.account{margin-top:30px;padding:12px;border-top:1px solid var(--line);font-size:13px}.account small{display:block;color:var(--muted);margin-top:4px}main{min-width:0;padding:22px}.toolbar{background:#fff;border:1px solid var(--line);padding:13px 16px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.toolbar button,.message-actions button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 12px}.mail-list{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.mail-row{display:flex;align-items:center;border-bottom:1px solid #edf0f5;min-height:78px}.mail-row:last-child{border-bottom:0}.mail-row:hover{background:#f8faff}.mail-row.unread{background:#f4f7ff}.mail-link{display:flex;flex:1;min-width:0;padding:13px}.starform{width:44px;text-align:center}.star{border:0;background:none;color:#aab2c0;font-size:20px}.star.on{color:#f2b01e}.avatar{width:38px;height:38px;border-radius:50%;background:#e8efff;color:var(--blue);display:grid;place-items:center;font-weight:700;margin-right:12px;flex:none}.mail-main{min-width:0;flex:1}.mail-top{display:flex;justify-content:space-between;gap:10px}.mail-top time,.preview{color:var(--muted);font-size:12px}.subject{font-weight:600;margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview{margin-top:3px}.empty{text-align:center;padding:70px;color:var(--muted)}.alert,.success{padding:12px 14px;border-radius:10px;margin-bottom:12px;background:#fff0f0;color:#b42318}.success{background:#ecfdf3;color:#027a48}.message-page,.compose-page{max-width:1000px;margin:auto}.message-card,.compose-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}.message-card h1{font-size:25px;margin:16px 0}.meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:13px}.message-body{padding:18px 0;line-height:1.65;overflow-wrap:anywhere}.message-body img{max-width:100%;height:auto}.message-actions{display:flex;gap:8px;flex-wrap:wrap}.message-actions a,.message-actions button{padding:9px 13px;border:1px solid var(--line);border-radius:8px;background:#fff}.message-actions .primary,.primary{background:var(--blue);color:#fff;border-color:var(--blue)}.bottom{border-top:1px solid var(--line);padding-top:16px}.attachments{border-top:1px solid var(--line);padding-top:15px;display:flex;gap:10px;flex-wrap:wrap}.attachments a{padding:9px 12px;background:#f5f7fb;border-radius:8px}.compose-card label{display:block;font-weight:700;font-size:13px;margin:14px 0 7px}.compose-card input,.compose-card textarea{width:100%;border:1px solid #d7dce5;border-radius:9px;padding:11px;outline:none}.compose-card input:focus,.compose-card textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #175dfb14}.compose-card small{color:var(--muted);font-weight:400}.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.compose-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.compose-actions a,.compose-actions button{padding:11px 18px;border:1px solid var(--line);border-radius:9px;background:#fff}.compose-actions .primary{background:var(--blue);color:#fff}.inline{display:inline}.back{font-size:22px}.grow{flex:1}.mobile-only{display:none}.login{min-height:100vh;display:grid;place-items:center}.login-card{width:min(420px,92vw);background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 12px 40px #0a254012}.login-card .brand{margin:auto}.login-card h1{text-align:center;margin-bottom:5px}.login-card p{text-align:center;color:var(--muted)}.login-card label{display:block;font-size:13px;font-weight:700;margin:15px 0 6px}.login-card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:9px}.login-card button{width:100%;margin-top:18px;border:0;border-radius:9px;padding:12px}.login-card small{display:block;margin-top:18px;color:var(--muted);text-align:center}
@media(max-width:760px){.top{padding:0 12px;gap:9px}.top strong{font-size:14px}.top .user{display:none}.top .search{order:5;position:absolute;top:68px;left:12px;right:12px;margin:0;max-width:none}.top{margin-bottom:58px}.mobile-only{display:block;border:0;background:none;font-size:22px}.layout{display:block}.layout aside{position:fixed;left:-270px;top:64px;bottom:0;width:250px;z-index:20;transition:.2s;box-shadow:8px 0 30px #0001}.layout aside.open{left:0}main{padding:12px}.toolbar{margin-top:0}.mail-row{min-height:70px}.mail-link{padding:11px 5px}.starform{width:35px}.avatar{width:34px;height:34px;margin-right:8px}.mail-top time{font-size:11px}.subject{font-size:14px}.preview{font-size:11px}.row2{grid-template-columns:1fr}.compose-card,.message-card{padding:16px}.message-card h1{font-size:20px}.message-actions a,.message-actions button{font-size:13px}.compose-page{padding-top:0}}