* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif; background:#f5f7fa; color:#333; min-height:100vh; }
.topbar { display:flex; align-items:center; justify-content:space-between; background:#fff; padding:14px 24px; box-shadow:0 1px 4px rgba(0,0,0,.08); }
.topbar .logo { font-size:20px; font-weight:700; color:#f6821f; }
.topbar nav a { margin:0 10px; text-decoration:none; color:#555; }
.topbar nav a:hover { color:#f6821f; }
.container { max-width:960px; margin:30px auto; padding:0 16px; }
.auth-page { display:flex; align-items:center; justify-content:center; min-height:100vh; background:linear-gradient(135deg,#667eea 0%,#764ba2 100%); }
.auth-box { background:#fff; padding:36px; border-radius:12px; box-shadow:0 8px 30px rgba(0,0,0,.15); width:380px; }
.auth-box h2 { text-align:center; margin-bottom:24px; color:#333; }
.auth-box input { width:100%; padding:12px 14px; margin-bottom:14px; border:1px solid #ddd; border-radius:8px; font-size:14px; }
.auth-box input:focus { outline:none; border-color:#667eea; }
.auth-box button { width:100%; padding:12px; background:#667eea; color:#fff; border:none; border-radius:8px; font-size:16px; cursor:pointer; }
.auth-box button:hover { background:#5568d3; }
.auth-box p { text-align:center; margin-top:16px; font-size:14px; color:#666; }
.auth-box a { color:#667eea; text-decoration:none; }
.profile-card { background:#fff; padding:28px; border-radius:12px; box-shadow:0 2px 12px rgba(0,0,0,.08); }
.profile-card .avatar { width:80px; height:80px; border-radius:50%; background:#667eea; color:#fff; display:flex; align-items:center; justify-content:center; font-size:32px; font-weight:700; margin-bottom:16px; }
.profile-card h2 { margin-bottom:8px; }
.profile-card p { color:#666; margin:4px 0; }
.msg { padding:10px 14px; border-radius:6px; margin-bottom:14px; font-size:14px; }
.msg.error { background:#fee; color:#c33; }
.msg.success { background:#efe; color:#3c3; }
.loading { text-align:center; padding:40px; color:#999; }