
        /* ===== AUTH PAGE STYLES ===== */
        body {
            min-height: 100vh;
            position: relative;
            margin: 0;
            padding: 0;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('../images/auth/auth_bg.png') center center / cover no-repeat;
            z-index: 0;
            filter: brightness(1);
            background-color: #000;
            background-blend-mode: normal;
            z-index: 1;
        }

        .auth-container {
            position: relative;
            z-index: 10;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 120px 20px 40px;
        }

        .auth-box {
            background: rgba(255, 255, 255, 1);
            border-radius: 15px;
            padding: 50px 60px;
            width: 100%;
            max-width: 500px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        }

        .auth-title {
            color: rgba(234, 81, 131, 1);
            font-size: 28px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 30px;
        }

        .input-group {
            margin-bottom: 20px;
        }

        .input-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            border-radius: 8px;
            padding: 12px 15px;
        }

        .input-icon {
            width: 20px;
            height: 20px;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .auth-input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            font-family: 'Montserrat', sans-serif;
        }

        .auth-input::placeholder {
            color: rgba(93, 116, 138, 1);
        }

        .checkbox-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 25px;
        }

        .checkbox-wrapper {
            display: flex;
            align-items: center;
        }

        .checkbox-wrapper input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-right: 10px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .checkbox-label {
            color: rgba(93, 116, 138, 1);
            font-size: 14px;
            cursor: pointer;
        }

        .submit-btn {
            width: 100%;
            background: rgba(234, 81, 131, 1);
            color: #fff;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            margin-bottom: 20px;
            transition: opacity 0.3s;
        }

        .submit-btn:hover {
            opacity: 0.9;
        }

        .auth-links {
            text-align: center;
        }

        .forgot-password {
            color: rgba(93, 116, 138, 1);
            font-size: 14px;
            margin-bottom: 15px;
        }

        .forgot-password span {
            color: rgba(234, 81, 131, 1);
            cursor: pointer;
            font-weight: 600;
        }

        .register-link {
            color: rgba(93, 116, 138, 1);
            font-size: 14px;
        }

        .register-link span {
            color: rgba(234, 81, 131, 1);
            text-decoration: underline;
            cursor: pointer;
            font-weight: 600;
        }

        .password-hint {
            color: rgba(93, 116, 138, 1);
            font-size: 11px;
            margin-top: 5px;
            line-height: 1.4;
        }

        .form-login,
        .form-register {
            display: none;
        }

        .form-login.active,
        .form-register.active {
            display: block;
        }

        /* ===== MOBILE STYLES ===== */
        @media (max-width: 768px) {
            .header {
                padding: 15px 20px;
            }

            .header-top {
                justify-content: center;
                position: relative;
            }

            .language-switcher {
                display: none;
            }

            .logo {
                position: static;
                transform: none;
            }

            .logo img {
                height: 50px;
            }

            .auth-btn {
                display: none;
            }

            .auth-container {
                padding: 100px 15px 30px;
                min-height: 100vh;
            }

            .auth-box {
                padding: 30px 25px;
                max-width: 100%;
            }

            .auth-title {
                font-size: 24px;
                margin-bottom: 25px;
            }

            .input-wrapper {
                padding: 10px 12px;
            }

            .auth-input {
                font-size: 13px;
            }

            .checkbox-label {
                font-size: 13px;
            }

            .submit-btn {
                padding: 12px;
                font-size: 15px;
            }

            .forgot-password,
            .register-link {
                font-size: 13px;
            }
        }

        @media (max-width: 480px) {
            .auth-container {
                padding: 90px 10px 20px;
            }

            .auth-box {
                padding: 25px 20px;
                border-radius: 12px;
            }

            .auth-title {
                font-size: 22px;
            }
        }