body {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            background: #f0f2f5;
            font-family: 'Inter', Arial, sans-serif;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .login-container {
            background: #ffffff;
            padding: 2.5rem;
            border-radius: 14px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            width: 100%;
            max-width: 380px;
            display: flex;
            flex-direction: column;
        }

        .logo-container {
            text-align: center;
            margin-bottom: 1.5rem;
        }

        .logo-container img {
            max-width: 260px;
            height: auto;
            display: inline-block;
        }

        .login-container h2 {
            text-align: center;
            margin: 0 0 1.5rem 0;
            font-size: 1.2rem;
            color: #1e293b;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            font-weight: 600;
        }

        .login-container label {
            margin: 0.5rem 0 0.3rem 0;
            font-size: 0.85rem;
            font-weight: 600;
            color: #475569;
        }

        .login-container input[type="text"],
        .login-container input[type="password"] {
            padding: 0.8rem;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            margin-bottom: 1.2rem;
            font-size: 1rem;
            width: 100%;
            box-sizing: border-box;
            transition: border-color 0.2s;
        }

        .login-container input:focus {
            outline: none;
            border-color: #4f8cff;
        }

        .login-container button {
            background: #4f8cff;
            color: #fff;
            padding: 0.9rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.5rem;
        }

        .login-container button:hover {
            background: #3b76e1;
        }

        .note {
            font-size: 0.8rem;
            color: #94a3b8;
            text-align: center;
            margin-top: 1.5rem;
        }

        .turnstile-wrapper {
            margin: 0 0 1.2rem 0;
            display: flex;
            justify-content: center;
        }

        .error-box {
            background:#fff1f0;
            color:#8a1f1f;
            padding:12px;
            border-radius:8px;
            margin-bottom:15px;
            border:1px solid #f3c2c0;
            font-size:0.85rem;
            text-align:center;
        }

        .success-box {
            background: #ecfdf3;
            color: #166534;
            padding: 12px;
            border-radius: 8px;
            margin-bottom: 15px;
            border: 1px solid #86efac;
            font-size: 0.85rem;
            text-align: center;
        }

        .forgot-link {
            text-align: center;
            margin-top: 12px;
        }

        .forgot-link a {
            font-size: 0.9rem;
            color: #4f8cff;
            text-decoration: none;
            font-weight: 600;
        }

        .forgot-link a:hover {
            text-decoration: underline;
        }

        .system-version {
            position: absolute;
            bottom: 20px;
            right: 20px;
            font-size: 0.7rem;
            color: #94a3b8;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        @media (max-width: 500px) {
            .login-container {
                padding: 2rem;
                max-width: 88%;
            }
            .logo-container img {
                max-width: 220px;
            }
        }