*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:#f5f5f0;min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}
.login-card{background:#fff;border-radius:16px;padding:40px;width:100%;max-width:380px;box-shadow:0 4px 24px rgba(0,0,0,.08)}
.login-logo{display:flex;flex-direction:column;align-items:center;margin-bottom:28px;gap:10px}
.logo-mark{width:56px;height:56px;background:#1D9E75;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:20px;letter-spacing:-.5px}
.login-logo h1{font-size:20px;font-weight:600;color:#111}
.login-logo p{font-size:13px;color:#9ca3af}
.tab-group{display:flex;background:#f3f4f6;border-radius:10px;padding:3px;margin-bottom:24px;gap:3px}
.tab{flex:1;padding:9px;background:transparent;border:none;border-radius:8px;font-size:13px;font-weight:500;color:#6b7280;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:all .15s}
.tab:hover{color:#1a1a1a}
.tab.active{background:#fff;color:#1D9E75;box-shadow:0 1px 4px rgba(0,0,0,.1)}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:#555;margin-bottom:6px;font-weight:500}
.form-group input{width:100%;padding:11px 14px;border:1.5px solid #e5e7eb;border-radius:9px;font-size:14px;outline:none;transition:border .15s;background:#fafafa}
.form-group input:focus{border-color:#1D9E75;background:#fff}
.btn{width:100%;padding:12px;background:#1D9E75;color:#fff;border:none;border-radius:9px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:4px}
.btn:hover{background:#189066}
.btn:disabled{opacity:.6;cursor:not-allowed}
.error-msg{color:#dc2626;font-size:13px;margin-top:12px;text-align:center;padding:10px;background:#fef2f2;border-radius:8px;border:1px solid #fecaca}
.version-tag{font-size:11px;color:#d1d5db;text-align:center;margin-top:20px}