* { margin: 0; padding: 0; box-sizing: border-box; }
            body {
                font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
                min-height: 100vh;
                display: flex;
                align-items: center;
                justify-content: center;
                background: #D9D4CF;
                color: #111827;
                font-size: 15px;
            }
            .login-shell {
                width: 100%;
                max-width: 420px;
                padding: 24px;
            }
            .login-card {
                background: #ffffff;
                border-radius: 16px;
                padding: 26px 24px 22px;
                border: 1px solid #e5e7eb;
                box-shadow: 0 18px 40px rgba(15,23,42,0.10);
            }
            .login-header {
                display: flex;
                justify-content: space-between;
                align-items: center;
                margin-bottom: 16px;
            }
            .login-title {
                font-size: 22px;
                font-weight: 700;
                display: flex;
                align-items: center;
                gap: 8px;
                color: #111827;
            }
            .login-sub {
                font-size: 14px;
                color: #6b7280;
                margin-bottom: 18px;
            }
            .form-group { margin-bottom: 14px; }
            label {
                display: block;
                margin-bottom: 5px;
                font-size: 14px;
                color: #374151;
            }
            input[type="text"], input[type="password"] {
                width: 100%;
                padding: 10px 11px;
                border-radius: 3px;
                border: 1px solid #d1d5db;
                background: #D9D4CF;
                color: #D9D4CF;
                font-size: 15px;
                outline: none;
                transition: border-color .2s, box-shadow .2s, background .2s;
            }
            input[type="text"]:focus, input[type="password"]:focus {
                border-color: #826A41;
                box-shadow: 0 0 0 1px #826A41;
                background: #ffffff;
            }
            .btn {
                width: 100%;
                margin-top: 4px;
                padding: 11px 14px;
                border-radius: 3px;
                border: none;
                background: #826A41;
                color: #ffffff;
                font-weight: 600;
                font-size: 15px;
                cursor: pointer;
                transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
            }
            .btn:hover {
				background: #8F8884;
                filter: brightness(1.03);
            }
            .error {
                background: #fef2f2;
                border: 1px solid #fecaca;
                color: #b91c1c;
                padding: 9px 10px;
                border-radius: 10px;
                margin-bottom: 12px;
                font-size: 13px;
            }
            .footnote {
                margin-top: 12px;
                font-size: 12px;
                color: #9ca3af;
                text-align: center;
            }
			.center {
			  display: block;
			  margin-left: auto;
			  margin-right: auto;
			  width: 50%;
			}